| 5484068 |
rivers and streams |
|
A large rock outcropping hangs over the Buffalo River in Arkansas, USA. |
| 5483570 |
waterfalls |
|
Blue Hole Falls located on High Shoals Creek in the High Shoals Scenic Area of the Chattahoochee National Forest in Towns County, Georgia, USA. |
| 5477619 |
waterfalls |
|
|
| 5477617 |
waterfalls |
|
|
| 5484015 |
little brown myotis |
Myotis lucifugus |
The unkeeled calcar characteristic of Myotis lucifugus (little brown myotis). |
| 5483189 |
leaf-cutting ant |
Atta sexdens |
Gaster lacking tubercles on first segment. Used in Antkey to separate Atta from Acromyrmex. |
| 5364559 |
potato |
Solanum tuberosum |
A volunteer potato (Solanum tuberosum) plant in an onion field as a weed. |
| 1466035 |
fleas |
|
identifying features - rabbit, cat, and dog fleas |
| 1466038 |
cat flea |
Ctenocephalides felis |
identifying features |
| 1466040 |
fleas |
Hoplopsyllus spp. |
identifying features |
| 1466043 |
human flea |
Pulex irritans |
identifying features |
| 1466030 |
chigoe |
Tunga penetrans |
identifying features |
| 1570476 |
abiotic stresses (general) |
|
Oleocellosis, also known as oil spotting. May 1992 |
| 1573004 |
Monosporascus root rot |
Monosporascus cannonballus |
Ascospores of Monosporascus cannonballus. May 1997 |
| 5433299 |
Ceratocombid bug |
|
|
| 5158071 |
ambrosia beetle |
Xyleborus ferrugineus |
protibia |
| 5159007 |
European shot-hole borer |
Xyleborus dispar |
protibia |
| 5155050 |
bark beetle |
Dendrosinus bourreriae |
end view of antennal club |
| 5154054 |
ambrosia beetle |
Ambrosiodmus rubricollis |
protibia |
| 5154063 |
bark beetle |
Carphoborus bifurcus |
protibia |
| 5154090 |
bark beetle |
Chramesus chapuisi |
protibia |
| 5154040 |
ambrosia beetle |
Ambrosiodmus lecontei |
protibia |
| 5159002 |
ambrosia beetle |
Xyleborus sayi |
protibia |
| 5155007 |
bark beetle |
Cnesinus strigicollis |
tarsus |
| 5158003 |
oak bark beetle |
Pseudopityophthorus pruinosus |
protibia |
| 5158045 |
shothole borer |
Scolytus rugulosus |
protibia |
| 5155065 |
birch bark beetle |
Dryocoetes betulae |
protibia |
| 5155100 |
clover root borer |
Hylastinus obscurus |
tarsus |
| 5157038 |
chestnet brown bark beetle |
Pityogenes hopkinsi |
antennae |
| 5157042 |
chestnet brown bark beetle |
Pityogenes hopkinsi |
protibia |
| 5159033 |
granulate ambrosia beetle |
Xylosandrus crassiusculus |
protibia |
| 5158065 |
ambrosia beetle |
Xyleborus celsus |
protibia |
| 5156009 |
eastern ash bark beetle |
Hylesinus aculeatus |
protibia |
| 5155077 |
bark beetle |
Hylastes porculus |
protibia |
| 5444471 |
polyphemus moth |
Antheraea polyphemus |
Eyes on the wings |
| 5444466 |
polyphemus moth |
Antheraea polyphemus |
Antenna |
| 5155012 |
white pine cone beetle |
Conophthorus coniperda |
protibia |
| 5159025 |
black twig borer |
Xylosandrus compactus |
protibia |
| 5155018 |
pitted ambrosia beetle |
Corthylus punctatissimus |
protibia |
| 5156055 |
eastern fivespined ips |
Ips grandicollis |
protibia |
| 5156059 |
pine engraver |
Ips pini |
protibia |
| 5156048 |
sixspined ips |
Ips calligraphus |
protibia |
| 5156052 |
eastern fivespined ips |
Ips grandicollis |
antennae |
| 5156039 |
small southern pine engraver |
Ips avulsus |
antennae |
| 5158037 |
hickory bark beetle |
Scolytus quadrispinosus |
protibia |
| 5156016 |
native elm bark beetle |
Hylurgopinus rufipes |
protibia |
| 5155048 |
red turpentine beetle |
Dendroctonus valens |
protibia |
| 5155098 |
clover root borer |
Hylastinus obscurus |
protibia |
| 5154046 |
ambrosia beetle |
Ambrosiodmus obliquus |
protibia |
| 5157025 |
bark beetle |
Phloeotribus dentifrons |
protibia |
| 5154083 |
bark beetle |
Chaetophloeus insularis |
split setae |
| 1570552 |
Penicillium fungus |
Penicillium variabile |
Penicilli (brush-like head) of Penicillum variabile. February 1993 |
| 5156092 |
bark beetle |
Orthotomicus caelatus |
protibia |
| 5156017 |
native elm bark beetle |
Hylurgopinus rufipes |
protibia |
| 5164062 |
house cricket |
Acheta domesticus |
tarsus |
| 5444468 |
polyphemus moth |
Antheraea polyphemus |
Legs |
| 5154081 |
bark beetle |
Chaetophloeus insularis |
protibia |
| 5156042 |
small southern pine engraver |
Ips avulsus |
protibia |
| 5155083 |
bark beetle |
Hylastes salebrosus |
protibia |
| 5155095 |
clover root borer |
Hylastinus obscurus |
elytral setae |
| 5158029 |
smaller European elm bark beetle |
Scolytus multistriatus |
protibia |
| 5455688 |
oak cordwood borer |
Xylotrechus nauticus |
Xylotrechus nauticus scutellum detail |
| 5159019 |
ambrosia beetle |
Xyleborus xylographus |
protibia |
| 5159045 |
ambrosia beetle |
Xyloterinus politus |
protibia |
| 5159035 |
black stem borer |
Xylosandrus germanus |
antennae |
| 5158058 |
ambrosia beetle |
Xyleborus affinis |
protibia |
| 5155071 |
ambrosia beetle |
Gnathotrichus materiarius |
protibia |
| 5477643 |
rivers and streams |
|
|
| 5455687 |
oak cordwood borer |
Xylotrechus nauticus |
Xylotrechus nauticus elytral apex detail comparison |
| 5023019 |
bark beetle |
Hylastes porculus |
antennae |
| 5158041 |
shothole borer |
Scolytus rugulosus |
antennae |
| 5158089 |
ambrosia beetle |
Xyleborus pubescens |
protibia |
| 5159013 |
European shot-hole borer |
Xyleborus dispar |
protibia |
| 5158059 |
ambrosia beetle |
Xyleborus affinis |
protibia |
| 5480192 |
wharf borer |
Nacerdes melanura |
Forelegs. |
| 5157034 |
bark beetle |
Phloeotribus frontalis |
protibia |
| 5157008 |
bark beetle |
Phloeosinus dentatus |
protibia |
| 5164068 |
house cricket |
Acheta domesticus |
tarsus |
| 5156023 |
bark beetle |
Hylurgops rugipennis |
protibia |
| 5155041 |
black turpentine beetle |
Dendroctonus terebrans |
protibia |
| 5155097 |
clover root borer |
Hylastinus obscurus |
prosternal carina |
| 5155005 |
bark beetle |
Cnesinus strigicollis |
protibia |
| 5159001 |
ambrosia beetle |
Xyleborus sayi |
protibia |
| 5157055 |
bark beetle |
Pityophthorus pullus |
protibia |
| 5157002 |
seed beetle |
Pagiocerus frontalis |
protibia |
| 5157009 |
bark beetle |
Phloeosinus dentatus |
protibia |
| 5157096 |
small oak bark beetle |
Pseudopityophthorus minutissimus |
protibia |
| 5155054 |
bark beetle |
Dendrosinus bourreriae |
elytral setae |
| 5455686 |
oak cordwood borer |
Xylotrechus nauticus |
Xylotrechus nauticus elytral apex detail |
| 2116096 |
goldenhaired bark beetle |
Hylurgus ligniperda |
Declivity |
| 5165084 |
willow carrot aphid |
Cavariella aegopodii |
tip of antennae; recovered from Anethum graveolensin shipment from Colombia; Dec 2005 |
| 5154097 |
bark beetle |
Chramesus hicoriae |
protibia |
| 5480142 |
bark beetle |
Xylechinus montanus |
Club. |
| 5480138 |
ambrosia beetle |
Xyleborus intrusus |
Club. |
| 5480144 |
bark beetle |
Thysanoes fimbricornis |
Club. |
| 5480133 |
bark beetle |
Scolytodes schwarzi |
Club. |
| 5480150 |
bark beetle |
Scierus annectens |
Club. |
| 5480151 |
bark beetle |
Pycnarthrum hispidum |
Club. |
| 5480128 |
bark beetle |
Pityokteines ornatus |
Club. |
| 5480124 |
small oak bark beetle |
Pseudopityophthorus minutissimus |
Club. |
| 5480122 |
bark beetle |
Pityotrichus barbatus |
Club. |
| 5480105 |
bark beetle |
Pityogenes knechteli |
Club. |
| 5480110 |
walnut twig beetle |
Pityophthorus juglandis |
Club. |
| 5478664 |
ambrosia beetle |
Theoborus ricini |
Club. |
| 5478029 |
bark beetle |
Dryoxylon onoharaensis |
Club. |
| 2117005 |
European spruce bark beetle |
Ips typographus |
Declivity |
| 2116095 |
goldenhaired bark beetle |
Hylurgus ligniperda |
Declivity |
| 5164064 |
leaf-footed bug |
Acanthocephala femorata |
antennae |
| 5478646 |
ambrosia beetle |
Xyloterinus politus |
Club. |
| 5478641 |
granulate ambrosia beetle |
Xylosandrus crassiusculus |
Club. |
| 5478635 |
fruit-tree pinhole borer |
Xyleborinus saxeseni |
Club. |
| 5478630 |
bark beetle |
Trypophloeus populi |
Club. |
| 5478625 |
ambrosia beetle |
Trypodendrum lineatum |
Club. |
| 5478620 |
bark beetle |
Trischidias atoma |
Club. |
| 5478659 |
foureyed spruce bark beetle |
Polygraphus rufipennis |
Club. |
| 5478615 |
larger pine shoot beetle |
Tomicus piniperda |
Club. |
| 5478653 |
bark beetle |
Stenoclyptus sulcatus |
Club. |
| 5478601 |
large elm beetle |
Scolytus scolytus |
Club. |
| 5459376 |
acacia psyllid |
Acizzia uncatoides |
Male genitalia slide mounted, unstained. Origin- Italy. ID by Debra Creel & Patrick Marquez. For C.C. |
| 5478609 |
bark beetle |
Scolytogenes jalapae |
Club. |
| 5478575 |
bark beetle |
Pseudothysanoes hopkinsi |
Club. |
| 5478586 |
silver fir beetle |
Pseudohylesinus sericeus |
Club. |
| 5478580 |
Monterey pine ips |
Pseudips mexicanus |
Club. |
| 5478570 |
bark beetle |
Procryphalus mucronatus |
Club. |
| 5478565 |
ambrosia beetle |
Premnobius cavipennis |
Club. |
| 5478321 |
bark beetle |
Pityoborus comatus |
Club. |
| 5478316 |
bark beetle |
Phloeotribus lecontei |
Club. |
| 5477363 |
redwood bark beetle |
Phloeosinus sequoiae |
Club. |
| 5477259 |
bark beetle |
Orthotomicus caelatus |
Club. |
| 5477350 |
bark beetle |
Micracis swainei |
Club. |
| 5478315 |
yellow-banded ambrosia beetle |
Monarthrum fasciatum |
Club. |
| 5478305 |
bark beetle |
Lymantor decipiens |
Club. |
| 5478306 |
bark beetle |
Micracisella nanula |
Club. |
| 5478090 |
bark beetle |
Liparthrum squamosum |
Club. |
| 5477346 |
pine engraver |
Ips pini |
Club. |
| 5477340 |
bark beetle |
Hypothenemus crudiae |
Club. |
| 5477330 |
goldenhaired bark beetle |
Hylurgus ligniperda |
Club. |
| 5477336 |
mango bark beetle |
Hypocryphalus mangiferae |
Club. |
| 5478052 |
bark beetle |
Hylurgops rugipennis pinifex |
Club. |
| 5478043 |
native elm bark beetle |
Hylurgopinus rufipes |
Club. |
| 5478034 |
bark beetle |
Hylesinus criddlei |
Club. |
| 5478040 |
shrub bark beetle |
Hylocurus hirtellus |
Club. |
| 5477321 |
bark beetle |
Hylastes gracilis |
Clubs. |
| 5477325 |
clover root borer |
Hylastinus obscurus |
Club. |
| 5477254 |
shot-hole borer of tea |
Euwallacea fornicatus |
Club. |
| 5477315 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
Club. |
| 5478297 |
bark beetle |
Dryocoetoides cristatus |
Club. |
| 5477311 |
western balsam bark beetle |
Dryocoetes confusus |
Club. |
| 5478019 |
bark beetle |
Dolurgus pumilus |
Club. |
| 5478286 |
bark beetle |
Dendroterus texanus |
Club. |
| 5477300 |
bark beetle |
Dendrosinus bourreriae |
Club. |
| 5477296 |
mountain pine beetle |
Dendroctonus ponderosae |
Club. |
| 5478282 |
bark beetle |
Dendrocranulus knausi |
Club. |
| 5478007 |
bark beetle |
Dendrocranulus schedli |
Club. |
| 5477561 |
bark beetle |
Crypturgus alutaceus |
Club. |
| 5477556 |
bark beetle |
Cryptocarenus seriatus |
Club. |
| 5477551 |
bark beetle |
Cryphalus ruficollis |
Club. |
| 5477546 |
ambrosia beetle |
Coptoborus pseudotenuis |
Club. |
| 5477290 |
pitted ambrosia beetle |
Corthylus punctatissimus |
Club. |
| 5477285 |
lodgepole cone beetle |
Conophthorus ponderosae |
Club. |
| 5477280 |
bark beetle |
Coccotrypes dactyliperda |
Club. |
| 5477541 |
camphor shot borer |
Xylosandrus mutilatus |
Club. |
| 5477275 |
bark beetle |
Cnesinus strigicollis |
Club. |
| 5477536 |
bark beetle |
Cnemonyx ficus |
Club. |
| 5477272 |
bark beetle |
Chramesus hicoriae |
Club. |
| 5477531 |
bark beetle |
Chaetophloeus hystrix |
Club. |
| 5477521 |
bark beetle |
Carphobius arizonicus |
Club. |
| 5477526 |
bark beetle |
Carphoborus pinicolens |
Club. |
| 5477520 |
bark beetle |
Cactopinus desertus |
Club. |
| 5477510 |
bark beetle |
Araptus hymenaeae |
Club. |
| 5477505 |
Europian shot-hole borer |
Xyleborus dispar |
Club. |
| 5477265 |
ambrosia beetle |
Ambrosiodmus lecontei |
Club. |
| 5477261 |
alder bark beetle |
Alniphagus aspericollis |
Club. |
| 5157046 |
chestnet brown bark beetle |
Pityogenes hopkinsi |
protibia |
| 5461208 |
root aphids |
Pemphigus spp. |
Origin- S. Korea. Host possibly Oenanthe sarmentosa. |
| 5365849 |
phytoplasma (general) |
Phytoplasma N/A |
An onion flower with symptoms of a phytoplamic infection in the field. |
| 5376550 |
black mimosa |
Mimosa pigra var. pigra |
Close-up of hilum (top) and lens (below hilum). FNW taxon. |
| 5376546 |
giant sensitiveplant |
Mimosa diplotricha |
Lens (top) and hilum (bottom) of seed. FNW taxon. |
| 5376544 |
giant sensitiveplant |
Mimosa diplotricha |
Lens (top) and hilum (bottom) of seed. FNW taxon. |
| 5458198 |
common dodder |
Cuscuta campestris |
Seeds lying on their rounded, non-hilar side. Arrows point to the hilum's vascular scar. |
| 5458197 |
common dodder |
Cuscuta campestris |
Seeds positioned on edge at an angle so that the hilum points ± straight up. |
| 1570546 |
Penicillium fungus |
Penicillium echinulatum |
The penicillus Penicillum echinulatum. February 1993 |
| 1570420 |
Penicillium fungus |
Penicillium echinulatum |
Phialides and conidia of Penicillium echinulatum (phase contrast). April 1992 |
| 1570423 |
Penicillium fungus |
Penicillium echinulatum |
Phialides and conidia of Penicillium echinulatum. April 1992 |
| 1570421 |
Penicillium fungus |
Penicillium echinulatum |
Phialides and conidia of Penicillium echinulatum (100X). April 1992 |
| 1570569 |
cold injury (low temperature) |
|
Peteca is a physiological disorder that develops in storage, but is correlated to field conditions such as calcium and potassium levels and harvest during cool, wet periods. Low temperature storage favors its development. April 1993 |
| 1570570 |
cold injury (low temperature) |
|
Peteca is a physiological disorder that develops in storage, but is correlated to field conditions such as calcium and potassium levels and harvest during cool, wet periods. Low temperature storage favors its development. April 1993 |
| 1570507 |
abiotic stresses (general) |
|
Stem end rind breakdown on Valencia organes. July 1992 |
| 1570294 |
brown rot |
Monilinia fructicola |
Light micrograph of Monilinia fructicola chains of conidia at 100X, phase contrast. December 1991 |
| 1570302 |
Pestalotiopsis blight |
Pestalotiopsis quepinii |
Conidia of Pestalotiopsis guepinii. December 1991 |
| 1570309 |
fungus |
Helicoma spp. |
Helicoma sp. (400X). December 1991 |
| 1570297 |
nematophagous fungi |
Arthrobotrys oligospora |
Arthrobotrys oligospora (400X), nematophagous fungus. December 1991 |
| 1570161 |
Potato Virus X |
Potexvirus PVX |
Chenopodium quinoa 15 days after mechanical inoculation (i.e., carborundum) with Potato Virus X (PVX) showing localized chlorotic spots. March 1990 |
| 1570162 |
Potato Virus X |
Potexvirus PVX |
Nicandra physalodes 15 days after mechanical inoculation (i.e., carborundum) with Potato Virus X (PVX) showing symptoms typical of systemic infection. March 1990 |
| 1570636 |
puffballs |
Vascellum spp. |
Vascellum sp. September 1993 |
| 1570619 |
puffball |
Lycoperdon spp. |
Lycoperdon sp. August 1993 |
| 1570614 |
puffballs |
Vascellum spp. |
Vascellum sp. at various stages of maturity. August 1993 |
| 1570437 |
Penicillium fungi |
Penicillium spp. |
Three Penicillium spp. pathogenic to citrus fruit (left: P. italicum; center: P. digitatum; right: isolate J-192 of P. ulaiense) on malt extract agar (top row) and Czapek yeast agar (bottom row). April 1992 |
| 1570439 |
Penicillium fungi |
Penicillium spp. |
Three Penicillium spp. pathogenic to citrus fruit (left: P. italicum; center: P. digitatum; right: isolate J-192 of P. ulaiense) on malt extract agar (top row) and Czapek yeast agar (bottom row). April 1992 |
| 1570440 |
Penicillium fungi |
Penicillium spp. |
Reverse colony of three Penicillium spp. pathogenic to citrus fruit (left: P. italicum; center: P. digitatum; right: isolate J-192 of P. ulaiense) on malt extract agar (top row) and Czapek yeast agar (bottom row). April 1992 |
| 1570417 |
Penicillium fungus |
Penicillium solitum |
Phialides and conidia of Penicillium solitum. April 1992 |
| 1570431 |
Penicillium fungus |
Penicillium commune |
April 1992 |
| 5469958 |
hedge mustard |
Sisymbrium officinale |
Close-up of seed's surface. |
| 5469954 |
tomatillo groundcherry |
Physalis philadelphica |
Close-up of hilum. Note lanceolate shape. |
| 5469912 |
hairy cat's ear |
Hypochaeris radicata |
Basal fruit attachment scars of two disseminules. |
| 5469948 |
smooth cat's ear |
Hypochaeris glabra |
Close-up of the angled opening of the basal fruit attachment scar. |
| 5469947 |
shortpod mustard |
Hirschfeldia incana |
Looking down on the hilar region. Note the blackish circle atop the cotyledons. |
| 5469942 |
bigseed alfalfa dodder |
Cuscuta indecora var. indecora |
Close-up of the hilar region. |
| 5469967 |
Indian mustard |
Brassica juncea |
Looking at the hilar region at an angle. |
| 5468095 |
jack pine |
Pinus banksiana |
Jack pine silhouette |
| 5468096 |
jack pine |
Pinus banksiana |
New jack pine cone and needles |
| 5466541 |
crimson fountaingrass |
Pennisetum setaceum |
Close-up of a plumose bristle. |
| 5461331 |
garden vetch |
Vicia sativa ssp. nigra |
Seed tilted with hilum to the left. Note the black splotches on the dark reddish testa. |
| 5461330 |
garden vetch |
Vicia sativa ssp. nigra |
Looking down on the hilar region of three seeds. |
| 5461284 |
white clover |
Trifolium repens |
Close-up of hilar region. |
| 5459947 |
wild mustard |
Sinapis arvensis |
ooking down on the hilar region of two seeds. |
| 5459951 |
wild mustard |
Sinapis arvensis |
Note how the faint reticular striations radiate outwards from the hilum. |
| 5459942 |
English catchfly |
Silene gallica |
Peripheral view of the orange-colored hilar opening. Note the grayish sheen on the seed's surface. |
| 5459901 |
marsh yellowcress |
Rorippa palustris |
Close-up of surface around hilar region. Note the curved radicle tip. Hilum above that. |
| 5459892 |
wild radish |
Raphanus raphanistrum |
Looking down on the hilar region of the seed. |
| 5459897 |
curvepod yellowcress |
Rorippa curvisiliqua |
Close-up of surface around hilar region. Note the air-filled, shiny bubbles covering the surface. |
| 5459769 |
common mallow |
Malva neglecta |
Hilar region close-up. |
| 5459763 |
alkali mallow |
Malvella leprosa |
Looking down on the hilar region of a seed with the funiculus attached (left) and one with the funiculus missing. |
| 5459691 |
toad rush |
Juncus bufonius |
Hilar view of two seeds. |
| 5459684 |
cypressvine morningglory |
Ipomoea quamoclit |
Hilum, close-up. |
| 5459626 |
cutleaf geranium |
Geranium dissectum |
Looking down on hilar end of a seed. Ridge at top represents position of radicle. |
| 5459603 |
netseed spurge |
Euphorbia spathulata |
Looking down on the caruncles of three seeds. |
| 5459554 |
flixweed |
Descurainia sophia |
Looking down on the hilar region of two seeds. Note the red circular marking over the bulge containing the cotyledons. |
| 5458290 |
canyon dodder |
Cuscuta subinclusa |
Looking down on the hilar depression. |
| 5458280 |
bigseed alfalfa dodder |
Cuscuta indecora var. indecora |
Looking down on the hilar region. |
| 5458281 |
bigseed alfalfa dodder |
Cuscuta indecora var. indecora |
Seeds lying on their rounded, non-hilar side. Arrows point to hilar depression. |
| 5458285 |
saltmarsh dodder |
Cuscuta salina |
Seeds positioned laterally so as to be able to look down on the hilar notch. |
| 5458192 |
chaparral dodder |
Cuscuta californica |
Seeds positioned on their side and looking down on the hilar notch. |
| 5458162 |
blue mustard |
Chorispora tenella |
Looking down on the hilar end of the seed. |
| 5457998 |
shepherd's-purse |
Capsella bursa-pastoris |
Looking at the hilar region of two seeds. Note the oblong cross-sectional shape. |
| 5457996 |
redmaids |
Calandrinia ciliata |
Close-up of hilar region. |
| 5457984 |
Indian mustard |
Brassica juncea |
Looking down at the hilar region of three seeds. Seeds arranged so that the prominent part of the ridge formed by the radicle is at the top. |
| 5457985 |
rapeseed |
Brassica napus |
Close-up of hilar region on two seeds. |
| 5457988 |
black mustard |
Brassica nigra |
Looking down at the hilar region of four seeds. The dark area underneath the whitish funicular remnant is sometimes clearly circular (as in the second seed from the left) and sometimes not. |
| 5457990 |
birdsrape mustard |
Brassica rapa |
Looking down on the hilar region and associated dark circular area of four seeds. Most of the whitish funicular material is missing, revealing the small punctate hilum. |
| 5457992 |
birdsrape mustard |
Brassica rapa |
Seed with a pronounced radicle ridge (left) and one with a subtle ridge (right). |
| 5459377 |
acacia psyllid |
Acizzia uncatoides |
Female genitalia. Origin- Australia. |
| 1570314 |
leaf spot |
Stemphylium sarciniforme |
Stemphylium sarciniforme (400X). December 1991 |
| 1570416 |
Penicillium fungus |
Penicillium solitum |
Phialides and conidia of Penicillium solitum. April 1992 |
| 1570865 |
downy mildew |
Peronospora destructor |
March 1995 |
| 1570565 |
sour rot |
Geotrichum candidum |
Mixed infection of sour rot (caused by Geotrichum candidum) and whisker mold (Penicillium ulaiense) on lemon. The most obvious disease is sour rot, but coremia of P. ulaiense are also present. April 1993 |
| 5390583 |
two-wing silverbell |
Halesia diptera |
horticultural variety of silverbell |
| 5392727 |
golden St. Johnswort |
Hypericum frondosum |
'Sunburst' |
| 5392728 |
golden St. Johnswort |
Hypericum frondosum |
sunburst
Golden St. Johnswort - horticultural variety of St. Johnswort |
| 1570781 |
Penicillium fungi |
Penicillium spp. |
Penicillium digitatum (left) and P. italicum (right) reverse colony color. May 1994 |
| 1570412 |
Penicillium fungi |
Penicillium spp. |
Left: green mold caused by Penicillium digitatum and right: blue mold caused by P. italicum. April 1992 |
| 1570413 |
Penicillium fungi |
Penicillium spp. |
Left: green mold caused by Penicillium digitatum; center: whisker mold caused by Penicillium ulaiense; and right: blue mold caused by P. italicum. All fruit were inoculated the same day and incubated for approximately 5 days at 25oC. Thus, lesion size represents the aggressiveness of each pathogen in citrus fruits. April 1992 |
| 1570553 |
Penicillium fungus |
Penicillium citreonigrum |
Monoverticillate penicillus (brush-like head) of Penicillum citreonigrum. February 1993 |
| 1570554 |
Penicillium fungus |
Penicillium dendriticum |
Biverticillate penicillus (brush-like head) of Penicillum dendriticum. February 1993 |
| 1570610 |
Schweinitzii root and butt disease |
Phaeolus schweinitzii |
August 1993 |
| 1570611 |
Schweinitzii root and butt disease |
Phaeolus schweinitzii |
August 1993 |
| 1570612 |
Schweinitzii root and butt disease |
Phaeolus schweinitzii |
August 1993 |
| 1570613 |
Schweinitzii root and butt disease |
Phaeolus schweinitzii |
August 1993 |
| 1570815 |
blue mold |
Penicillium italicum |
Reverse colony color variation in Penicillium italicum on Harding's medium. April 1994 |
| 1570293 |
brown rot |
Monilinia fructicola |
Light micrograph of Monilinia fructicola chains of conidia at 400X, phase contrast. December 1991 |
| 1570295 |
Fusarium root rot and wilt |
Fusarium oxysporum |
Microconidia of Fusarium oxysporum (400X). December 1991 |
| 1570296 |
Fusarium root rot and wilt |
Fusarium oxysporum |
Macroconidia of Fusarium oxysporum (400X). December 1991 |
| 1570298 |
black root rot |
Thielaviopsis basicola |
Thielaviopsis basicola (100X), causal agent of black root rot. December 1991 |
| 1570299 |
brown spot |
Alternaria alternata |
Altenaria alternata (400X). December 1991 |
| 1570300 |
brown spot |
Alternaria alternata |
Chains of conidia of Alternaria alternata (100X). December 1991 |
| 1570301 |
Ascochyta fungi |
Ascochyta spp. |
Conidia of Ascochyta sp. (400X). December 1991 |
| 1570303 |
Paecilomyces fungi |
Paecilomyces spp. |
Phialides and condia of Paecilomyces sp. (400X). December 1991 |
| 1570304 |
Paecilomyces fungi |
Paecilomyces spp. |
Phialides and conidia of Paecilomyces sp. (400X). December 1991 |
| 1570306 |
downy mildew |
Peronospora farinosa |
Mass of sporangia and sporangiophores of Peronospora effusa (100X, phase contrast). December 1991 |
| 1570307 |
anthracnose |
Colletotrichum graminicola |
Colletotrichum graminicola (400X), causal agent of anthracnose diseases. December 1991 |
| 1570308 |
Gliocladium roseum |
Gliocladium roseum |
Gliocladium roseum (400X). December 1991 |
| 1570310 |
Epicoccum fungus |
Epicoccum nigrum |
Epicoccum nigrum (400X). December 1991 |
| 1570311 |
Trichothecium roseum |
Trichothecium roseum |
(400X). December 1991 |
| 1570312 |
Trichothecium roseum |
Trichothecium roseum |
(400X). December 1991 |
| 1570373 |
powdery mildew |
Oidium spp. |
Scanning electron micrograph of appressoria of Oidium sp. on Euonymus. |
| 1570374 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through appressorium of Oidium sp. on Euonymus. Yellow flecks are not part of image, but are surface contaminants of film. February 1992 |
| 1570376 |
powdery mildew |
Oidium spp. |
Scanning electron micrograph (SEM) of conidia of Oidium sp. February 1992 |
| 1570377 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through appressorium of Oidium sp. on Euonymus. Club-shaped structure is the tip of the appressorium (penetration peg) extending into a host cell. February 1992 |
| 1570378 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through Oidium sp. on Euonymus at stomatal opening. February 1992 |
| 1570379 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through appressorium of Oidium sp. on Euonymus. Fungal cell is above and within the host cell. February 1992 |
| 1570380 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of thin section through appressorium and penetration peg of Oidium sp. on Euonymus. Club-shaped structure is the tip of the penetration peg extending into a host cell. February 1992 |
| 1570381 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570382 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570383 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570385 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570386 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) appressorium and penetration peg. February 1992 |
| 1570387 |
powdery mildew |
Oidium spp. |
Transmission electron micrograph (TEM) of Oidium sp. (cause of powdery mildew) showing multiple appressoria and penetration pegs. February 1992 |
| 1570418 |
Penicillium fungus |
Penicillium dendriticum |
Phialides and conidia of Penicillium dendriticum (100X). April 1992 |
| 1570419 |
Penicillium fungus |
Penicillium dendriticum |
Phialides and conidia of Penicillium dendriticum. April 1992 |
| 1570499 |
Aspergillus fungi |
Aspergillus spp. |
Conidiophore of Aspergillus sp. showing phialides, but no conidia |
| 1570817 |
morel |
Morchella spp. |
June 1994 |
| 1570481 |
mushrooms |
|
|
| 1570616 |
mushrooms |
|
mushroom pores August 1993 |
| 1570632 |
mushrooms |
|
September 1993 |
| 1570615 |
Russula mushroom |
Russula spp. |
August 1993 |
| 1570486 |
gastroid mushroom |
Gastrocybe spp. |
June 1992 |
| 1570485 |
gastroid mushroom |
Gastrocybe spp. |
. June 1992 |
| 1570550 |
Penicillium fungus |
Penicillium decumbens |
Penicillus of Penicillum decumbens. February 1993 |
| 1570551 |
Penicillium fungus |
Penicillium decumbens |
Phialides and conidia of Penicillum decumbens. February 1993 |
| 1570557 |
Penicillium fungus |
Penicillium dendriticum |
Penicilli (brush-like heads) of Penicillium dentriticum. February 1993 |
| 1570559 |
Penicillium fungus |
Penicillium dendriticum |
Phialides and nascent conidia of Penicillium dentriticum. February 1993 |
| 1570560 |
Penicillium fungus |
Penicillium dendriticum |
Biverticillate penicillus (brush-like head) of Penicillium dentriticum. February 1993 |
| 1570609 |
stinkhorn |
Phallus hadriani |
August 1993 |
| 1570592 |
Caesar's mushroom |
Amanita caesarea |
August 1993 |
| 1570617 |
yellow cap fungi |
Pholiota spp. |
August 1993 |
| 1570633 |
yellow cap fungi |
Pholiota spp. |
September 1993 |
| 1570634 |
yellow cap fungi |
Pholiota spp. |
September 1993 |
| 1570638 |
Boletus mushroom |
Boletus spp. |
September 1993 |
| 1570639 |
fly agaric |
Amanita muscaria |
Sepember 1993 |
| 1570468 |
gray mold |
Botrytis cinerea |
Botrytis cinerea on lemon |
| 1570409 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense isolate J-192. April 1992 |
| 1570410 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense isolate J-192. April 1992 |
| 1570411 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense isolate J-192. April 1992 |
| 1570415 |
green mold |
Penicillium digitatum |
Phialides and conidia of Penicillium digitatum, causal agent of citrus green mold. April 1992 |
| 1570425 |
blue mold |
Penicillium italicum |
Condidiophore of Penicillium italicum (causal agent of citrus blue mold). April 1992 |
| 1570426 |
blue mold |
Penicillium italicum |
Light micrograph using phase contrast of condidiophore of Penicillium italicum (causal agent of citrus blue mold). April 1992 |
| 1570427 |
blue mold |
Penicillium italicum |
Light micrograph of dondidiophores of Penicillium italicum (causal agent of citrus blue mold). April 1992 |
| 1570428 |
Penicillium fungi |
Penicillium spp. |
Light micrograph of monoverticillate Penicillium sp. April 1992 |
| 1570429 |
Penicillium fungi |
Penicillium spp. |
Light micrograph of monoverticillate Penicillium sp. April 1992 |
| 1570432 |
Penicillium fungi |
Penicillium spp. |
Light micrograph of unidentified Penicillium sp. April 1992 |
| 1570433 |
Penicillium fungi |
Penicillium spp. |
Light micrograph of unidentified Penicillium sp. April 1992 |
| 1570441 |
Penicillium fungi |
Penicillium spp. |
Reverse colony of two Penicillium spp. pathogenic to citrus fruit (top: P. ulaiense; bottom: P. italicum) on Czapek's agar (far left column), 25% Glycerin (G25N; column 2), malt extract agar (column 3) and Czapek yeast agar (column 4) at 7 days growth at 25oC. April 1992 |
| 1570443 |
Penicillium fungi |
Penicillium spp. |
Colonies of three Penicillium spp. pathogenic to citrus fruit (left: P. ulaiense; center: P. italicum; right: P. digitatum) on 25% Glycerin (top row), Czapek's agar (row 2), Czapek yeast agar (row 3) malt extract agar (row 4) at 7 days growth at 25oC. At this time P. ulaiense had not been identified. April 1992 |
| 1570444 |
Penicillium fungi |
Penicillium spp. |
Colony reverse of three Penicillium spp. pathogenic to citrus fruit (left: P. ulaiense; center: P. italicum; right: P. digitatum) on 25% Glycerin (top row), Czapek's agar (row 2), Czapek yeast agar (row 3) malt extract agar (row 4) at 7 days growth at 25oC. At this time P. ulaiense had not been identified. May 1992 |
| 1570445 |
Penicillium fungi |
Penicillium spp. |
Colony reverse of three Penicillium spp. pathogenic to citrus fruit (left: P. ulaiense; center: P. italicum; right: P. digitatum) on 25% Glycerin (top row), Czapek's agar (row 2), Czapek yeast agar (row 3) malt extract agar (row 4) at 7 days growth at 25oC. At this time P. ulaiense had not been identified. May 1992 |
| 1570446 |
Penicillium fungi |
Penicillium spp. |
Colonies of three Penicillium spp. pathogenic to citrus fruit (left: P. ulaiense; center: P. italicum; right: P. digitatum) on 25% Glycerin (top row), Czapek's agar (row 2), Czapek yeast agar (row 3) malt extract agar (row 4) at 7 days growth at 25oC. At this time P. ulaiense had not been identified. May 1992 |
| 1570448 |
whisker mold |
Penicillium ulaiense |
Reverse colony pigmentation in Penicillium ulaiense grown for 8 days at different temperatures. May 1992 |
| 1570449 |
whisker mold |
Penicillium ulaiense |
Reverse colony of Penicillium ulaiense after 7 days (left) and 14-21 days (right) growth at 25oC, showing the production of funicles in Czapek's agar. This is a distinguishing feature of P. ulaiense. May 1992 |
| 1570450 |
whisker mold |
Penicillium ulaiense |
Growth of Penicillium ulaiense after 14-21 days at 25oC showing the production of coremia and submerged funicles on Czapek's agar. This is a distinguishing feature of P. ulaiense. May 1992 |
| 1570451 |
whisker mold |
Penicillium ulaiense |
Growth of Penicillium ulaiense after 7 days at 25oC on Czapek's agar, showing the production of coremia and orange pigment. May 1992 |
| 1570452 |
whisker mold |
Penicillium ulaiense |
Growth of Penicillium ulaiense after 7-10 days at 25oC on malt extract agar, showing the production of coremia. May 1992 |
| 1570453 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense growing on malt extract agar and producing characteristic coremia (also called synnemata). May 1992 |
| 1570455 |
green mold |
Penicillium digitatum |
Lemons treated with imazalil and infected by Penicillium digitatum will decay, but not sporulate. This is an excellent example of the antisporulant effect of imazalil and other triazole fungicides. May 1992 |
| 1570456 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense produces coremia. This is a rare example of extensive coremium production on lemon. May 1992 |
| 1570457 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense produces coremia. Occasionally the entire fruit surface will be covered with coremia. May 1992 |
| 1570458 |
whisker mold |
Penicillium ulaiense |
Three lemon fruit infected with Penicillium ulaiense in mixture with P. digitatum (green mold). This is typical of the way whisker mold is seen in nature. It is rare to see whisker mold by itself. May 1992 |
| 1570459 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) in mixture with P. digitatum (green mold). This is typical of the way whisker mold is seen in nature (i.e., in mixed infections). It is rare to see whisker mold by itself. May 1992 |
| 1570460 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) against a background of P. digitatum (green mold). This is typical of the way whisker mold is seen in nature. It is rare to see whisker mold by itself. May 1992 |
| 1570461 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) against a background of P. digitatum (green mold). This is typical of the way whisker mold is seen in nature. It is rare to see whisker mold by itself. May 1992 |
| 1570462 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) against a background of P. digitatum (green mold). This is typical of the way whisker mold is seen in nature. It is rare to see whisker mold by itself. Large bald spot is where the fruit was touching another fruit in a packed carton. May 1992 |
| 1570463 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) against a background of P. digitatum (green mold). This is typical of the way whisker mold is seen in nature. It is rare to see whisker mold by itself. May 1992 |
| 1570464 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) against a background of P. digitatum (green mold). This is typical of the way whisker mold is seen in nature. It is rare to see whisker mold by itself. May 1992 |
| 1570465 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) against a background of P. digitatum (green mold). This is typical of the way whisker mold is seen in nature. It is rare to see whisker mold by itself. May 1992 |
| 1570466 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) against a background of P. digitatum (green mold). This is typical of the way whisker mold is seen in nature. It is rare to see whisker mold by itself. May 1992 |
| 1570467 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) against a background of P. digitatum (green mold) in a commercially packed carton of citrus. This is typical of the way whisker mold is seen in nature. It is rare to see whisker mold by itself. May 1992 |
| 1570469 |
gray mold |
Botrytis cinerea |
When Botrytis cinerea infects flowers and young fruit it causes injuries to young fruit which later develop into ridges on mature fruit. May 1992 |
| 1570470 |
gray mold |
Botrytis cinerea |
When Botrytis cinerea infects flowers and young fruit it causes injuries to young fruit which later develop into ridges on mature fruit. May 1992 |
| 1570471 |
gray mold |
Botrytis cinerea |
When Botrytis cinerea infects flowers and young fruit it causes injuries to young fruit which later develop into ridges on mature fruit. May 1992 |
| 1570491 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense synnema showing a few conidiophores separated from the main column. Stained with lacto-fuchsin. June 1992 |
| 1570472 |
lemon |
Citrus x limon |
Nesting of gray mold (caused by Botrytis cinerea) in a crate of stored lemons. May 1992 |
| 1570473 |
gray mold |
Botrytis cinerea |
Nesting of gray mold (caused by Botrytis cinerea) in a crate of stored lemons. May 1992 |
| 1570474 |
Sclerotinia rot |
Sclerotinia sclerotiorum |
Cottony rot, caused by Sclerotinia sclerotiorum on lemon. This is an uncommon disease is California and found primarily in long-term storage. May 1992 |
| 1570475 |
whisker mold |
Penicillium ulaiense |
Lemon fruit infected with Penicillium ulaiense (whisker mold) coming out of long-term storage. May 1992 |
| 1570477 |
Phytophthora basal canker |
Phytophthora palmivora |
Brown rot caused by Phytophthora palmivora. May 1992 |
| 1570478 |
whisker mold |
Penicillium ulaiense |
Lemon artificially inoculated with Penicillium ulaiense (right) and P. italicum (blue mold). Because inoculation occurred on the same day, the lesion size shows the relative growth rate of both fungi in lemon. May 1992 |
| 1570497 |
Penicillium fungi |
Penicillium spp. |
Penicillium sp. showing conidiophore with typical biverticillate branching pattern and long chains of conidia. June 1992 |
| 1570495 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense conidia. Shows variability in dimensions of conidia. June 1992 |
| 1570496 |
Penicillium fungi |
Penicillium spp. |
Penicillium sp. showing conidiophore with typical biverticillate branching pattern. June 1992 |
| 1570488 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense produces conidia of variable length. June 1992 |
| 1570489 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense conidiophores and conidia. |
| 1570490 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense synnema showing a few conidiophores separated from the main column. Stained with lacto-fuchsin and viewed in phase contrast. June 1992 |
| 1570492 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense synnema showing a few conidiophores separated from the main column. Stained with lacto-fuchsin and viewed with phase contrast. June 1992 |
| 1570493 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense synnema showing a few conidiophores separated from the main column. Stained with lacto-fuchsin. June 1992 |
| 1570494 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense conidiophore, phialides and conidia. Stained with lacto-fuchsin. June 1992 |
| 1570504 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense (cause of citrus whisker mold) growing on thiabendazole-amended Harding's medium. July 1992 |
| 1570505 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense (cause of citrus whisker mold) producing clear exudate on Harding's medium. July 1992 |
| 1570514 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense (cause of whisker mold) in a mixed infection with P. digitatum (green mold) on orange. Coremia are unusually long in this instance. July 1992 |
| 1570528 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense growing on thiabendazole-amended Harding's medium. Note the high level of coremium production. November 1992 |
| 1570537 |
whisker mold |
Penicillium ulaiense |
Side view of Penicillium ulaiense (whisker mold) coremia growing on agar medium. February 1993 |
| 1570538 |
blue mold |
Penicillium expansum |
Penicillium expansum conidiophore. February 1993 |
| 1570539 |
blue mold |
Penicillium expansum |
Penicillium expansum conidiophore. February 1993 |
| 1570540 |
blue mold |
Penicillium expansum |
Penicillium expansum conidiophore with few conidia adhering to phialides. February 1993 |
| 1570542 |
blue mold |
Penicillium italicum |
The penicillus (metuale, phialides and conidia) of Penicillium italicum. February 1993 |
| 1570543 |
blue mold |
Penicillium italicum |
Phialides and conidia of Penicillum italicum (causal agent of citrus blue mold). February 1993 |
| 1570544 |
blue mold |
Penicillium italicum |
Conidia of Penicillum italicum (causal agent of citrus blue mold). Note the variability in size. February 1993 |
| 1570545 |
blue mold |
Penicillium italicum |
Conidia of Penicillum italicum (causal agent of citrus blue mold). Note the variability in size. February 1993 |
| 1570549 |
whisker mold |
Penicillium ulaiense |
hyphal anastomosis |
| 1570555 |
green mold |
Penicillium digitatum |
|
| 1570556 |
green mold |
Penicillium digitatum |
|
| 1570561 |
whisker mold |
Penicillium ulaiense |
The type isolate of Penicillium ulaiense on malt extract agar. Note the extensive production of coremia. April 1993 |
| 1570562 |
whisker mold |
Penicillium ulaiense |
A California isolate of Penicillium ulaiense on malt extract agar. Note the extensive production of coremia and concentric rings of the culture. April 1993 |
| 1570563 |
whisker mold |
Penicillium ulaiense |
A California isolate of Penicillium ulaiense on malt extract agar. Note the extensive production of coremia and concentric rings of the culture. April 1993 |
| 1570564 |
whisker mold |
Penicillium ulaiense |
The type isolate (left) and a California isolate (right) of Penicillium ulaiense on malt extract agar. Note the extensive production of coremia and concentric rings of the culture. April 1993 |
| 1570566 |
whisker mold |
Penicillium ulaiense |
Mixed infection of whisker mold (caused by Penicillium ulaiense) and other Penicillium decay on lemon. Coremia of P. ulaiense are conspicuous. April 1993 |
| 1570567 |
whisker mold |
Penicillium ulaiense |
Whisker mold (Penicillium ulaiense) on lemon showing large drops of exudate. This feature is characteristic of whisker mold, but only present in 30-40% of cases. April 1993 |
| 1570568 |
whisker mold |
Penicillium ulaiense |
Whisker mold (Penicillium ulaiense) on lemon showing large drops of exudate. This feature is characteristic of whisker mold, but only present in 30-40% of cases. April 1993 |
| 1570535 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense (whisker mold) coremium growing on a background of P. digitatum (green mold), both on orange. February 1993 |
| 1570536 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense (whisker mold) coremium growing on a background of P. digitatum (green mold), both on orange. February 1993 |
| 1570534 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense (whisker mold) coremia growing on a background of P. digitatum (green mold), both on orange. November 1992 |
| 1570533 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense (whisker mold) coremia growing on a background of P. digitatum (green mold), both on orange. November 1992 |
| 1570516 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense (whisker mold) on Valencia orange. Conspicuous coremium production distinguishes this pathogen from P. italicum (blue mold). Photo taken at 30 days following artificial inoculation. September 1992. |
| 1570513 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense infection on Ruby grapefruit showing multiple inoculations using the same inoculum, but causing a variety of symptoms. July 1992 |
| 1570511 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense infection on Ruby grapefruit showing large zone of "clear rot" where the pathogen is causing decay, but not sporulating. July 1992 |
| 1570512 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense infection on Ruby grapefruit showing conspicuous coremia. July 1992 |
| 1570506 |
whisker mold |
Penicillium ulaiense |
Penicillium ulaiense (cause of citrus whisker mold) producing clear exudate on orange. July 1992 |
| 1570502 |
whisker mold |
Penicillium ulaiense |
Mixed infection of Penicillium ulaiense (whisker mold) and P. digitatum (green mold) on orange. This is the way whisker mold is generally seen in packinghouses (i.e., in a mixed infection with green mold). July 1992 |
| 1570503 |
whisker mold |
Penicillium ulaiense |
Mixed infection of Penicillium ulaiense (whisker mold) and P. digitatum (green mold) on orange. This is the way whisker mold is generally seen in packinghouses (i.e., in a mixed infection with green mold). July 1992 |
| 1570510 |
green mold |
Penicillium digitatum |
Valencia oranges showing sporulation control of Penicillium digitatum by the fungicide imazalil. July 1992 |
| 1570165 |
green mold |
Penicillium digitatum |
Lemons (treated with 1000 and 2000 ppm imazalil and non-treated) inoculated with Penicillium digitatum (imazalil-sensitive isolate M6R) show the typical reaction. Treated fruit rot, but sporulation and the degree of decay is reduced by treatment with imazalil. August 1990 |
| 1570395 |
green mold |
Penicillium digitatum |
Culture of Penicillium digitatum showing a sector with a different growth pattern and texture. February 1992 |
| 1570479 |
blue mold |
Penicillium italicum |
Lemon treated with imazalil in a commercial packinghouse and infected with imazalil-resistant Penicillium italicum (blue mold). May 1992 |
| 1570482 |
inky cap |
Coprinus spp. |
Ink cap mushroom (Caprinus sp.). June 1992 |
| 1570483 |
inky cap |
Coprinus spp. |
Ink cap mushroom (Caprinus sp.). June 1992 |
| 1570484 |
inky cap |
Coprinus spp. |
Ink cap mushroom (Caprinus sp.). June 1992 |
| 5367456 |
elk |
Cervus canadensis |
Male elk with antlers in velvet |
| 5408538 |
tree-of-heaven |
Ailanthus altissima |
glandular leaf notches |
| 5408164 |
glossy privet |
Ligustrum lucidum |
back-lit to show venation of leaf |
| 5364061 |
Fusarium damping-off |
Fusarium oxysporum f.sp. cepae |
Cultures of onion Fusarium on Komada medium in the laboratory. |
| 5364062 |
Fusarium damping-off |
Fusarium oxysporum f.sp. cepae |
Cultures of onion Fusarium on Komada medium in the laboratory. |
| 5389474 |
Mexican bean beetle |
Epilachna varivestis |
A dry bean leaf infested with larvae of the Mexican bean beetle. |
| 5186062 |
chilli thrips |
Scirtothrips dorsalis |
Scirtothrips dorsalis abdomen with lateral microtrichia and dark areas on dorsal surface. |
| 5186063 |
melon thrips |
Thrips palmi |
prononum |
| 5186064 |
melon thrips |
Thrips palmi |
T. palmi has 4 lateral setae present on tergite II |
| 5186056 |
western flower thrips |
Frankliniella occidentalis |
F. occidentalis with large postocular setae and with anteroangular setae about equal to anteromarginal setae |
| 5186057 |
eastern flower thrips |
Frankliniella tritici |
Pronotum with 4-5 pairs of large, well developed setae; |
| 5186058 |
Asian bean thrips |
Megalurothrips mucanae |
forked sense cones on antennal segments III and IV extending at least 1/3 the length of next segment. |
| 5186060 |
Asian bean thrips |
Megalurothrips mucanae |
M. mucunae head with large pair of ocellar setae III |
| 5358186 |
western salsify |
Tragopogon dubius |
Flowers of yellow salsify, Tragopogon dubius. |
| 5361083 |
garden onion |
Allium cepa |
A scenic view of onion harvesting in the field. |
| 5364063 |
pink root of onion |
Phoma terrestris |
Cultures of the onion pink root fungus, Phoma terrestris, on Sneh's medium in the laboratory. Isolated from onion (Allium cepa) |
| 5360561 |
garden onion |
Allium cepa |
A center-pivot irrigation system in use on an onion field. |
| 5362391 |
garden onion |
Allium cepa |
An undercutting equipment used for onion field harvesting. |
| 5365870 |
tall morningglory |
Ipomoea purpurea |
A tall morning glory weed infestation of onion field. |
| 5365863 |
garden onion |
Allium cepa |
A furrow irrigated onion field. |
| 5361580 |
garden onion |
Allium cepa |
A soil moisture tensiometer in an onion field. |
| 5364555 |
garden onion |
Allium cepa |
A tractor cultivating an onion field in Colorado. |
| 5364554 |
garden onion |
Allium cepa |
A tractor cultivating an onion field in Colorado. |
| 5364553 |
garden onion |
Allium cepa |
A tractor cultivating an onion field in Colorado. |
| 5363735 |
garden onion |
Allium cepa |
A field of onion plants under a furrow irrigation system. |
| 5362654 |
garden onion |
Allium cepa |
A tractor undercutting onion transplants in the field during a harvesting operation. |
| 5362652 |
garden onion |
Allium cepa |
A field of young onion plants under a center pivot irrigation system. |
| 5364054 |
garden onion |
Allium cepa |
An tractor used for soil fumigation operations in the field. |
| 5362731 |
leafminer fly |
Liriomyza spp. |
An onion leaf infected by the onion leafminer Liriomyza spp. on a field at Fruita in Colorado. |
| 5362653 |
garden onion |
Allium cepa |
A tractor used for undercutting onion transplants in the field. |
| 5362651 |
garden onion |
Allium cepa |
A field of young onion plants under a center pivot irrigation system. |
| 5361477 |
bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
An oinon bulb showing early symptoms of bacterial soft rot caused by Erwinia carotovora pv. carotovora. |
| 5366493 |
onion rust |
Puccinia allii |
A garlic leaf with a rust infection caused by Puccinia porri in the field. |
| 5366492 |
onion rust |
Puccinia allii |
A garlic leaf with a rust infection caused by Puccinia porri in the field. |
| 5365844 |
phytoplasma (general) |
Phytoplasma N/A |
An onion plant with symptoms of a phytoplamic infection in the field. |
| 5365923 |
sunflower |
Helianthus spp. |
A sunflower head on a field in Colorado. |
| 5365922 |
sunflower |
Helianthus spp. |
A sunflower head on a field in Colorado. |
| 5365852 |
phytoplasma (general) |
Phytoplasma N/A |
An onion flower head with a phytoplasmic infection in the field. |
| 5365850 |
phytoplasma (general) |
Phytoplasma N/A |
An onion flower head with symptoms of a phytoplamic infection in the field. |
| 5365848 |
phytoplasma (general) |
Phytoplasma N/A |
An onion plant with symptoms of a phytoplamic infection in the field. |
| 5365847 |
phytoplasma (general) |
Phytoplasma N/A |
An onion plant with symptoms of a phytoplamic infection in the field. |
| 5365846 |
phytoplasma (general) |
Phytoplasma N/A |
An onion plant (the one in the foreground) with symptoms of a phytoplamic infection in the field. |
| 5365845 |
phytoplasma (general) |
Phytoplasma N/A |
An onion plant with symptoms of a phytoplamic infection in the field. |
| 5369222 |
American beaver |
Castor canadensis |
Note distinctive tooth marks on cut stump |
| 5369221 |
American beaver |
Castor canadensis |
Note distinctive tooth marks on cut stump |
| 5362265 |
downy mildew |
Peronospora destructor |
Onion plants displaying symptoms of downy mildew, Peronospora destructor. |
| 5362633 |
storm damage (general) |
|
Damage inflicted on onion transplants in the field by a storm. |
| 5363941 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
Sacramento light red kidney, dry bean, disease, bacterial brown spot, Pseudomonas syringae pv. syringae, 69 days after planting |
| 5363942 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
Sacramento light red kidney, dry bean, disease, bacterial brown spot, Pseudomonas syringae pv. syringae, 75 days after planting |
| 5363940 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
Sacramento light red kidney, dry bean, disease, bacterial brown spot, Pseudomonas syringae pv. syringae, 62 days after planting |
| 5363939 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
Sacramento light red kidney, dry bean, disease, bacterial brown pot, Pseudomonas syringae pv. syringae, 50 days after planting |
| 5363938 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
dry beanv ariety trial at Holyoke during 1993 - BBSeffects, dry bean, variety trial |
| 5363936 |
Common bacterial blight of beans, fuscous blight |
Xanthomonas axonopodis pv. phaseoli |
common bacterial blight on dry bean, varietal reactions, disease, Xanthomonas campestris pv. phaseoli |
| 5363935 |
Common bacterial blight of beans, fuscous blight |
Xanthomonas axonopodis pv. phaseoli |
common bacterial blight symptoms in dry bean field, disease, Xanthomonas campestris pv. phaseoli |
| 5363934 |
Common bacterial blight of beans, fuscous blight |
Xanthomonas axonopodis pv. phaseoli |
common bacterial blight focus in dry bean field, disease, Xanthomonas campestris pv. phaseoli |
| 5363933 |
Common bacterial blight of beans, fuscous blight |
Xanthomonas axonopodis pv. phaseoli |
common bacterial blight water soaking lesions on dry bean pods, disease, Xanthomonas campestris pv. phaseoli |
| 5363932 |
Common bacterial blight of beans, fuscous blight |
Xanthomonas axonopodis pv. phaseoli |
common bacterial blight water soaking on dry bean leaf, canopy symptoms, disease, Xanthomonas campestris pv. phaseoli |
| 5363931 |
Common bacterial blight of beans, fuscous blight |
Xanthomonas axonopodis pv. phaseoli |
common bacterial blight water soaking on dry bean leaf, early symptoms, disease, Xanthomonas campestris pv. phaseoli |
| 5363927 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
Focal disease location in a dry bean field infected with bacterial brown spot (Pseudomonas syringae pv. syringae). |
| 5363929 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
bacterial brown spot on dry bean, focus in dry bean field, disease, Pseudomonas syringae pv. syringae |
| 5363928 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
bacterial brown spot on dry bean, focus in dry bean field, disease, Pseudomonas syringae pv. syringae |
| 5363924 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
Defoliation of bean plants of dry beans due to bacterial brown spot (Pseudomonas syringae pv. syringae). |
| 5363923 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
bacterial brown spot on dry bean, canopy shot - hole damage, early necrosis, disease, Pseudomonas syringae pv. syringae |
| 5363917 |
bacterial brown spot of bean/canker of stone fruit, twig blight |
Pseudomonas syringae pv. syringae |
bacterial brown spot on dry bean, early necrosis, disease, Pseudomonas syringae pv. syringae |
| 5359794 |
Iris Yellow Spot Virus |
Tospovirus IYSV |
A field onion plant leaf showing symptoms caused by the Iris Yellow Spot Virus (IYSV). |
| 5362268 |
garden onion |
Allium cepa |
Dew on an onion leaf in the field. |
| 5360624 |
garden onion |
Allium cepa |
A harvested yellow onion bulb. |
| 5360560 |
pesticides |
|
Use of an airplane for pesticide application in an onion field. |
| 5362390 |
undercutting |
|
A pre-undercutter equipment used for onion field harvesting. |
| 5362336 |
green foxtail |
Setaria viridis |
An onion field infested with green foxtail (Setaria viridis). |
| 5362335 |
barnyardgrass |
Echinochloa crus-galli |
An onion field infested with barnyard grass (Echinocloa crus-galli). |
| 5362333 |
redroot pigweed |
Amaranthus retroflexus |
An onion field infested with redroot pigweed (Amaranthus retroflexus). |
| 5362332 |
lambsquarters |
Chenopodium album |
An onion field infested with common lambsquarters (Chenopodium album). |
| 5362331 |
field bindweed |
Convolvulus arvensis |
An onion field infested with field bindweeds (Convolvulus arvensis). |
| 5362329 |
Venice mallow |
Hibiscus trionum |
An onion field infested with Venice mallow (Hibiscus trionum). |
| 5362328 |
common mallow |
Malva neglecta |
An onion field infested with common mallow (Malva neglecta). |
| 5362327 |
common mallow |
Malva neglecta |
An onion field infested with common mallow (Malva neglecta). |
| 5362326 |
garden onion |
Allium cepa |
An onion field infested with a weed species. |
| 5362325 |
common purslane |
Portulaca oleracea |
An onion field infested with purslane/little hogweed (Portulaca oleracea). |
| 5362324 |
common purslane |
Portulaca oleracea |
An onion field infested with purslane/little hogweed (Portulaca oleracea). |
| 5362323 |
toothed spurge |
Euphorbia dentata var. dentata |
An onion field infested with tooothed spurge (Euphorbia dentata). |
| 5362304 |
slippery skin |
Burkholderia gladioli pv. alliicola |
Onion bulbs showing symptoms of slippery skin disease (Burkholderia gladioli pv. alliicola) in the field. |
| 5362303 |
slippery skin |
Burkholderia gladioli pv. alliicola |
Onion bulb showing symptoms of slippery skin disease (Burkholderia gladioli pv. alliicola) in the field. |
| 5362287 |
slippery skin |
Burkholderia gladioli pv. alliicola |
Onion plants showing symptoms of slippery skin disease (Burkholderia gladioli pv. alliicola) in the field. |
| 5362286 |
slippery skin |
Burkholderia gladioli pv. alliicola |
Onion plants showing symptoms of slippery skin disease (Burkholderia gladioli pv. alliicola) in the field. |
| 5362278 |
pesticides |
|
An onion leaf showing deposits of pesticides after pesticide application in the field. |
| 5362279 |
pesticides |
|
An onion leaf showing deposits of pesticides after pesticide application in the field. |
| 5362277 |
pesticides |
|
An onion leaf showing deposits of pesticides after pesticide application in the field. |
| 5362276 |
pesticides |
|
An onion leaf pre-applied with the pesticide. Pesticide application to onion plants in the field. |
| 5362274 |
pesticides |
|
Pesticide application to onion plants in the field. |
| 5362275 |
pesticides |
|
Pesticide application to onion plants in the field. |
| 5362272 |
pesticides |
|
Pesticide application to onion plants in the field. |
| 5362273 |
pesticides |
|
Pesticide application to onion plants in the field. |
| 5362271 |
pesticides |
|
Pesticide application to onion plants in the field. |
| 5362252 |
garden onion |
Allium cepa |
Onion umbels, Genetic research, Flowering, Morphology, Equipment, Seed quality |
| 5362251 |
garden onion |
Allium cepa |
Onion breeding cages, Genetic research, Flowering, Screenhouse, Equipment, Seed quality |
| 5362248 |
garden onion |
Allium cepa |
Onion bulbs, Onion morphology |
| 5362238 |
storm damage (general) |
|
Abiotic disease, Storm damage, Onion tiopping experiment |
| 5362054 |
Iris Yellow Spot Virus |
Tospovirus IYSV |
Onion plants showing symptoms of Iris Yellow Spot Virus, vectored by thrips. |
| 5362050 |
Iris Yellow Spot Virus |
Tospovirus IYSV |
Onion straw mulch, Iris Yellow Spot Virus, Insect, Thrips |
| 5362048 |
Iris Yellow Spot Virus |
Tospovirus IYSV |
Onion straw mulch, Iris Yellow Spot Virus, Insect, Thrips |
| 5365867 |
rusts |
|
weed, yellow nutsedge, Cyperus esculentus, disease, rust, onion |
| 5365292 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant showing blight sypmtoms caused by the bacteria Xanthomonas axonopodis pv. allii in the field. |
| 5365293 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant showing blight sypmtoms caused by the bacteria Xanthomonas axonopodis pv. allii in the field. |
| 5365294 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant showing blight sypmtoms caused by the bacteria Xanthomonas axonopodis pv. allii in the field. |
| 5365295 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant showing blight sypmtoms caused by the bacteria Xanthomonas axonopodis pv. allii in the field. |
| 5365296 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant showing blight sypmtoms caused by the bacteria Xanthomonas axonopodis pv. allii in the field. |
| 5365297 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant showing blight sypmtoms caused by the bacteria Xanthomonas axonopodis pv. allii in the field. |
| 5365298 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant showing blight sypmtoms caused by the bacteria Xanthomonas axonopodis pv. allii in the field. |
| 5365862 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant showing blight sypmtoms caused by the bacteria Xanthomonas axonopodis pv. allii in the field. |
| 5365861 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant showing blight sypmtoms caused by the bacteria Xanthomonas axonopodis pv. allii in the field. |
| 5365859 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant leaves showing blight sypmtoms caused by the bacteria Xanthomonas campestris in the field. |
| 5365860 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant leaves showing blight sypmtoms caused by the bacteria Xanthomonas campestris in the field. |
| 5365857 |
heat |
|
Onion plants showing sypmtoms of heat stress in the field. |
| 5365858 |
heat |
|
Onion plants showing sypmtoms of heat stress in the field. |
| 5365855 |
onion thrips |
Thrips tabaci |
Onion plant leaves showing sypmtoms onion thrips (Thrips tabaci) damage coupled with heat stress in the field. |
| 5365856 |
onion thrips |
Thrips tabaci |
Onion plant leaves showing sypmtoms onion thrips (Thrips tabaci) damage coupled with heat stress in the field. |
| 5365854 |
onion thrips |
Thrips tabaci |
Onion plant leaf showing sypmtoms onion thrips (Thrips tabaci) damage coupled with heat stress in the field. |
| 5365843 |
botrytis rot |
Botrytis allii |
Onion plant leaves showing blast sypmtoms caused by the fungus Botrytis allii in the field. |
| 5365842 |
botrytis rot |
Botrytis allii |
Onion plant leaf showing blast sypmtoms caused by the fungus Botrytis allii in the field. |
| 5365841 |
botrytis rot |
Botrytis allii |
Onion plant leaves showing blast sypmtoms caused by the fungus Botrytis allii in the field. |
| 5365291 |
garden onion |
Allium cepa |
Onion plants at maturity in the field. |
| 5365290 |
garden onion |
Allium cepa |
Onion plants at near-maturity in the field. |
| 5365289 |
garden onion |
Allium cepa |
Leaf color differences of different onion varieties in the field. |
| 5365287 |
garden onion |
Allium cepa |
Leaf color differences of different onion varieties in the field. |
| 5365288 |
garden onion |
Allium cepa |
Leaf color differences of different onion varieties in the field. |
| 5365286 |
garden onion |
Allium cepa |
Leaf color differences of different onion varieties in the field. |
| 5365285 |
garden onion |
Allium cepa |
A variety trial field of onions at Rocky Ford in 1998. |
| 5365278 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing blight sypmtoms caused by the bacteria Xanthomonas campestris in the field. |
| 5365280 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing blight sypmtoms caused by the bacteria Xanthomonas campestris in the field. |
| 5365281 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing blight sypmtoms caused by the bacteria Xanthomonas campestris in the field. |
| 5365279 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing blight sypmtoms caused by the bacteria Xanthomonas campestris in the field. |
| 5365277 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing blight sypmtoms caused by the bacteria Xanthomonas campestris in the field. |
| 5365284 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant leaves showing blight sypmtoms caused by the bacteria Pantoea ananitas and Xanthomonas campestris in the field. |
| 5365282 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plant leaves showing blight sypmtoms caused by the bacteria Pantoea ananitas and Xanthomonas campestris in the field. |
| 5365283 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing blight sypmtoms caused by the bacteria Pantoea ananitas and Xanthomonas campestris in the field. |
| 5365275 |
pesticides |
|
A post-emergence herbicide treatment of an onion field. |
| 5365276 |
pesticides |
|
A post-emergence herbicide treatment of an onion field. |
| 5365274 |
pesticides |
|
A post-emergence herbicide treatment of an onion field. |
| 5365273 |
pesticides |
|
A post-emergence herbicide treatment of an onion field. |
| 5365272 |
garden onion |
Allium cepa |
Onion plants grown from large-sized seedsets in bolts. |
| 5365271 |
garden onion |
Allium cepa |
Onion plants grown from large-sized seedsets in bolts. |
| 5365270 |
garden onion |
Allium cepa |
Onion plants grown from large-sized seedsets in bolts. |
| 5365269 |
bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
An onion plant leaf showing blight sypmtoms caused by the bacteria Erwinia carotovora pv. carotovora in the field. |
| 5365268 |
bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
An onion plant leaf showing blight sypmtoms caused by the bacteria Erwinia carotovora pv. carotovora in the field. |
| 5365267 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
An onion plant leaf showing blight sypmtoms caused by the bacteria Xanthomonas campestris in the field. |
| 5365266 |
Pantoea rot and blight |
Pantoea ananatis pv. ananatis |
Onion plants showing blight sypmtoms caused by the bacteria Pantoea ananitas and Xanthomonas campestris in the field. |
| 5365265 |
Pantoea rot and blight |
Pantoea ananatis pv. ananatis |
Onion plants showing blight sypmtoms caused by the bacterial Pantoea ananitas in the field. |
| 5361783 |
yellow nutsedge |
Cyperus esculentus |
The weed species nutsedge (Cyperus esculentus) in an onion field. |
| 5361767 |
garden onion |
Allium cepa |
Chimera of an onion plant in the field. |
| 5361706 |
garden onion |
Allium cepa |
Onion plants at maturity on a variety trial field. |
| 5361705 |
garden onion |
Allium cepa |
Onion plants at maturity on a variety trial field. |
| 5361704 |
garden onion |
Allium cepa |
Onion plants at maturity on a variety trial field. |
| 5361703 |
growth & yield |
|
Splitscale of onion bulbs resulting from a rapid growth rate. |
| 5361702 |
growth & yield |
|
Splitscale of onion bulbs resulting from a rapid growth rate. |
| 5361701 |
garden onion |
Allium cepa |
Strips of onion plants on a study field. |
| 5361700 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing sypmtoms of bacterial leaf blight caused by Xanthomonas axonopodis pv. allii in the field. |
| 5361699 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing sypmtoms of bacterial leaf blight caused by Xanthomonas axonopodis pv. allii in the field. |
| 5361698 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
A close-up view of an onion plant leaf showing sypmtoms of bacterial leaf blight caused by Xanthomonas axonopodis pv. allii on the field. |
| 5361697 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
A close-up view of an onion plant leaf showing sypmtoms of bacterial leaf blight caused by Xanthomonas axonopodis pv. allii on the field. |
| 5361696 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing sypmtoms of bacterial leaf blight caused by Xanthomonas axonopodis pv. allii on the field. |
| 5361695 |
garden onion |
Allium cepa |
A study field of onions at Rocky Ford. |
| 5361694 |
pesticides |
|
Fumigation study on onion transplants in a field at Lucerne. |
| 5361692 |
pesticides |
|
Fumigation study on onion transplants in a field at Lucerne. |
| 5361693 |
pesticides |
|
Fumigation study on onion transplants in a field at Lucerne. |
| 5361588 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
A close-up view of onion plant leaves showing sypmtoms of bacterial leaf blight caused by Xanthomonas axonopodis pv. allii on a field at Granada. |
| 5361586 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing sypmtoms of bacterial leaf blight caused by Xanthomonas axonopodis pv. allii on a field at Granada. |
| 5361587 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
Onion plants showing sypmtoms of bacterial leaf blight caused by Xanthomonas axonopodis pv. allii in a field at Granada. |
| 5361585 |
garden onion |
Allium cepa |
The damage to the basal plate of an onion transplant due to high temperature stress. |
| 5361584 |
garden onion |
Allium cepa |
The damage to the basal plate of an onion transplant due to high temperature stress. |
| 5361583 |
garden onion |
Allium cepa |
The damage to the basal plates of onion transplants due to high temperature stress. |
| 5361582 |
garden onion |
Allium cepa |
The effects of high temperature stress on onion plant sizes in the field. |
| 5361581 |
garden onion |
Allium cepa |
A field of onion plants at maturity showing different varietal plant morphologies. |
| 5364564 |
dandelion |
Taraxacum spp. |
The weed species dandelion (Taraxacum officinale) plant in an onion field. |
| 5364565 |
redstem stork's bill |
Erodium cicutarium ssp. cicutarium |
The weed species redstem filaree (Erodium cicutarium) in an onion field. |
| 5364562 |
Russian thistle |
Salsola kali |
A Russian thistle (Salsola iberica) plant in an onion field as a weed. |
| 5364563 |
common arrowhead |
Sagittaria latifolia |
A broadleaf plant in an onion field as a weed. |
| 5364560 |
mustards, crucifers |
|
A volunteer mustard (Brassica kaber) plant in an onion field as a weed. |
| 5364561 |
lambsquarters |
Chenopodium album |
A volunteer lambsquarter (Chenopodium album) plant in an onion field as a weed. |
| 5364558 |
herbicides (general) |
|
Herbicide damage to onion plants on the field. |
| 5364557 |
herbicides (general) |
|
Herbicide damage to onion plants on the field. |
| 5364520 |
garden onion |
Allium cepa |
A volunteer onion plant in a cabbage field as a weed. |
| 5364556 |
garden onion |
Allium cepa |
Onion cultivation in the field. |
| 5364552 |
garden onion |
Allium cepa |
Onion seedlings with flag leaf symptoms on the field. |
| 5364551 |
garden onion |
Allium cepa |
Onion seedlings with flag leaf symptoms on the field. |
| 5364399 |
garden onion |
Allium cepa |
Garden onion-sets during seed quality inspection. |
| 5364398 |
garden onion |
Allium cepa |
Garden onion pelleted seeds during seed quality inspection. |
| 5364397 |
garden onion |
Allium cepa |
Garden onion pelleted seeds during seed quality inspection. |
| 5363741 |
bacterial leaf streak and bulb rot |
Pseudomonas viridiflava |
An onion plant showing symptoms of bacterial leaf streak caused by Pseudomonas viridiflava in the field. |
| 5363740 |
bacterial leaf streak and bulb rot |
Pseudomonas viridiflava |
Onion plants showing symptoms of bacterial leaf streak caused by Pseudomonas viridiflava in the field. |
| 5363738 |
bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
An onion plant showing symptoms of bacterial soft rot caused by Erwinia carotovora pv. carotovora in the field. |
| 5363739 |
bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
Onion plants showing symptoms of bacterial soft rot caused by Erwinia carotovora pv. carotovora in the field. |
| 5363737 |
hail |
|
A field of onion plants showing damage caused by a hail storm. |
| 5363736 |
hail |
|
A field of onion plants showing damage caused by a hail storm. |
| 5364059 |
botrytis rot |
Botrytis allii |
A greenhouse inoculation of sliced onion bulbs with the Botrytis rot pathogen, Botrytis allii. |
| 5364058 |
purple blotch |
Alternaria porri |
Purple blotch lesion on the neck region of an onion plant caused by Alternaria porri. |
| 5364034 |
botrytis rot |
Botrytis allii |
A fungus spore trap and a hygrothermograph shelter used in the field for the study of Botrytis rot caused by Bortytis allii. |
| 5364009 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
Bean yellow mosaic on some bean leaflets showing the mosaic pattern as caused by the Bean Common Mosaic Virus (BCMV). |
| 5364007 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
Bean yellow mosaic on a bean leaflet showing the mosaic pattern as caused by the Bean Common Mosaic Virus (BCMV). |
| 5364008 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
Bean yellow mosaic virus on a bean leaflet showing the mosaic pattern as caused by the Bean Common Mosaic Virus (BCMV). |
| 5364006 |
Beet Curly Top Virus |
Hybrigeminivirus BCTV |
Curly top symptoms on a bean plant showing the characteristic cupping and yellowing caused by the Beet Curly Top Virus (BCTV). |
| 5364057 |
downy mildew |
Peronospora destructor |
A close-up shot of downy mildew Peronospora destructor on an onion leaf. |
| 5364056 |
purple blotch |
Alternaria porri |
An onion fungicide test plot at Vineland used in the study of onion purple blotch caused by Alternaria porri. |
| 5364055 |
pesticides |
|
An onion fungicide test plot at Rockyford. |
| 5364053 |
botrytis rot |
Botrytis allii |
An onion bulb with symptoms of the Botrytis soil line rot caused by Botrytis sp. in the field. |
| 5364052 |
botrytis rot |
Botrytis allii |
Onion bulbs with symptoms of the Botrytis soil line rot caused by Botrytis sp. in the field.
|
| 5364051 |
botrytis rot |
Botrytis allii |
Onion plants with symptoms of the Botrytis soil line rot caused by Botrytis sp. in the field. |
| 5364050 |
onion smut |
Urocystis cepulae |
Onion plants with symptoms of the onion smut diesase caused by Urocystis cepulae in the field. |
| 5364035 |
botrytis rot |
Botrytis allii |
A fungus spore trap cylinder use in the field for Botrytis allii studies. |
| 5364014 |
flea beetles |
Aphthona spp. |
A flea beetle on the leaf of an infested common bean plant. |
| 5364013 |
leafminer fly |
Liriomyza spp. |
An infested common bean leaf showing tracts of the leaf miner Liriomyza sp. |
| 5364012 |
spider mites |
Tetranychus spp. |
Tropical spider mites necrosis to bean leaves on the field. |
| 5364010 |
aphids, leafhoppers, planthoppers, scale insects and allies |
|
Winged aphids on the leaf of a common bean plant. |
| 5364004 |
Tobacco Streak Virus |
Ilarvirus TSV |
A common bean plant showing rednode necrosis and leaf chlorosis caused by the Tobacco Streak Virus (TSV). |
| 5364005 |
Tobacco Streak Virus |
Ilarvirus TSV |
A common bean plant showing rednode necrosis and leaf chlorosis caused by the Tobacco Streak Virus (TSV). |
| 5364003 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
A cross section of a bean pod showing symptoms of black root necrosis caused by the Bean Common Mosaic Virus (BCMV). |
| 5364002 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
Pods of common beans showing symptoms of black root necrosis caused by the Bean Common Mosaic Virus (BCMV). |
| 5364001 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
Leaves of a common bean plant showing symptoms of primary leaf necrosis caused by the Bean Common Mosaic Virus (BCMV). |
| 5363999 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
A common bean plant showing symptoms of black root necrosis caused by the Bean Common Mosaic Virus (BCMV). |
| 5363996 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
A common bean leaf of an infected plant showing leaf cupping and mosaic caused by the Bean Common Mosaic Virus (BCMV). |
| 5363997 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
A common bean leaf of an infected plant showing mosaic caused by the Bean Common Mosaic Virus (BCMV). |
| 5363995 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
A common bean plant showing symptoms of stunting caused by the Bean Common Mosaic Virus (BCMV). |
| 5363994 |
Bean Common Mosaic Virus |
Potyvirus BCMV |
A common bean plant showing symptoms of stunting caused by the Bean Common Mosaic Virus (BCMV). |
| 5363909 |
garden onion |
Allium cepa |
Cropped yellow onions at maturity in the field. |
| 5363908 |
garden onion |
Allium cepa |
White onion bulbs on the field after harvesting. |
| 5363907 |
garden onion |
Allium cepa |
Red onion bulbs on the field after harvesting. |
| 5363906 |
garden onion |
Allium cepa |
Yellow onion bulbs on the field after harvesting. |
| 5362734 |
leafminer fly |
Liriomyza spp. |
An onion plant infested with the onion leafminer Liriomyza sp. in the field. |
| 5362733 |
leafminer fly |
Liriomyza spp. |
An onion plant infested with the onion leafminer Liriomyza sp. in the field. |
| 5362732 |
leafminer fly |
Liriomyza spp. |
An onion plant infested with the onion leafminer Liriomyza sp. in the field. |
| 5362730 |
leafminer fly |
Liriomyza spp. |
onion leafminer at Fruita, insect, Liriomyza species |
| 5362728 |
purple blotch |
Alternaria porri |
onion purple blotch, disease, Alternaria porri |
| 5358523 |
Iris Yellow Spot Virus |
Tospovirus IYSV |
Imported seedling transplant infected with Iris Yellow Spot Virus (spring 2004). |
| 5362726 |
purple blotch |
Alternaria porri |
onion purple blotch, disease, Alternaria porri |
| 5362725 |
purple blotch |
Alternaria porri |
onion purple blotch, disease, Alternaria porri |
| 5362724 |
purple blotch |
Alternaria porri |
onion purple blotch, disease, Alternaria porri |
| 5362723 |
purple blotch |
Alternaria porri |
onion purple blotch, disease, Alternaria porri |
| 5362722 |
purple blotch |
Alternaria porri |
onion purple blotch, disease, Alternaria porri |
| 5362721 |
purple blotch |
Alternaria porri |
onion, purple blotch, disease, Alternaria porri |
| 5362720 |
purple blotch |
Alternaria porri |
disease, onion, purple blotch, Alternaria porri |
| 5362650 |
garden onion |
Allium cepa |
Onion plants at the pre-bulbing stage of development in the field. |
| 5362649 |
garden onion |
Allium cepa |
Onion plants at the pre-bulbing stage of development in the field. |
| 5362648 |
garden onion |
Allium cepa |
An onion plant at the pre-bulbing stage of development in the field. |
| 5362647 |
garden onion |
Allium cepa |
An onion plant at the pre-bulbing stage of development in the field. |
| 5362646 |
storm damage (general) |
|
Response of onion varieties to storm damage in the field. |
| 5362645 |
storm damage (general) |
|
Response of onion varieties to storm damage in the field. |
| 5362644 |
garden onion |
Allium cepa |
Strips of onions in a variety trial on the field. |
| 5362641 |
genetic abnormalities |
|
Vegetative genetic chimeras on an onion plant which may have been caused by an abiotic disease effect in the field. |
| 5362642 |
genetic abnormalities |
|
Vegetative genetic chimeras on an onion plant which may have been caused by an abiotic disease effect in the field.
|
| 5362640 |
genetic abnormalities |
|
Vegetative genetic chimeras on an onion plant which may have been caused by an abiotic disease effect in the field. |
| 5362643 |
genetic abnormalities |
|
Vegetative genetic chimeras on an onion plant which may have been caused by an abiotic disease effect in the field. |
| 5362639 |
hail |
|
Damage inflicted on onion transplants in the field by a hailstorm. |
| 5362638 |
hail |
|
Damage inflicted on onion transplants in the field by a hailstorm. |
| 5362637 |
hail |
|
Damage inflicted on onion transplants in the field by a hailstorm. |
| 5362636 |
hail |
|
Damage inflicted on onion transplants in the field by a hailstorm. |
| 5362634 |
storm damage (general) |
|
Damage inflicted on onion transplants in the field by a storm. |
| 5362635 |
storm damage (general) |
|
Damage inflicted on onion transplants in the field by a storm. |
| 5362630 |
herbicides (general) |
|
An onion field with some plants showing leaf curling resulting from herbicide damage. |
| 5362629 |
herbicides (general) |
|
An onion field with some plants showing leaf curling resulting from herbicide damage. |
| 5362632 |
garden onion |
Allium cepa |
An onion field with a plant showing symptoms of oil damage. |
| 5362631 |
garden onion |
Allium cepa |
An onion field with a split bulb showing symptoms of oil damage. |
| 5362588 |
redroot pigweed |
Amaranthus retroflexus |
An onion field with a pigweed, Amaranthus retroflexus, infestation. |
| 5362948 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
A scenic view of an onion field with symptoms of Xanthomonas leaf blight caused by Xanthomonas axonopodis pv. allii. |
| 5362947 |
Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
A scenic view of an onion field with symptoms of Xanthomonas leaf blight caused by Xanthomonas axonopodis pv. allii. |
| 5362946 |
purple blotch |
Alternaria porri |
A field trial of onions for the purple blocth disease caused by Alternaria porri. |
| 5362945 |
purple blotch |
Alternaria porri |
A field trial of onions for the purple blocth disease caused by Alternaria porri. |
| 5362944 |
purple blotch |
Alternaria porri |
An onion field during the mid stages of the purple blocth disease caused by Alternaria porri trial in the field. |
| 5362943 |
purple blotch |
Alternaria porri |
An onion field during the mid stages of the purple blocth disease caused by Alternaria porri trial in the field. |
| 5362942 |
purple blotch |
Alternaria porri |
An onion field during the early stages of the purple blocth disease caused by Alternaria porri trial in the field. |
| 5362941 |
purple blotch |
Alternaria porri |
An onion plant with the purple blocth disease caused by Alternaria porri in the field. |
| 5362939 |
purple blotch |
Alternaria porri |
An onion plant with the purple blocth disease caused by Alternaria porri in the field. |
| 5362940 |
purple blotch |
Alternaria porri |
An onion plant with the purple blocth disease caused by Alternaria porri in the field. |
| 5362938 |
garden onion |
Allium cepa |
A micro-climate weather station on an onion field. |
| 5362937 |
garden onion |
Allium cepa |
A micro-climate weather station on an onion field. |
| 5362936 |
garden onion |
Allium cepa |
A micro-climate weather station on an onion field. |
| 5362935 |
garden onion |
Allium cepa |
Calvin Hartzog at the micro-climate weather station on an onion field. |
| 5362934 |
garden onion |
Allium cepa |
Pesticide application on an onion field. |
| 5362933 |
garden onion |
Allium cepa |
Pesticide application on an onion field. |
| 5362932 |
garden onion |
Allium cepa |
Pesticide application on an onion field. |
| 5362931 |
garden onion |
Allium cepa |
A tractor digging a ditch as part of the ditch irrigation system installation on the field. |
| 5362930 |
garden onion |
Allium cepa |
A management process of pesticide and fertiliser application during onion cultivation. |
| 5362929 |
garden onion |
Allium cepa |
A management process of pesticide and fertiliser application during onion cultivation. |
| 5362928 |
garden onion |
Allium cepa |
An onion seedling with probable abiotic disease symptoms in the field. |
| 5362927 |
garden onion |
Allium cepa |
An onion seedling with probable abiotic disease symptoms in the field. |
| 5362926 |
purple blotch |
Alternaria porri |
A volunteer onion plant with the purple blocth disease caused by Alternaria porri in a winter wheat field as identified by Dave Herrera. |
| 5362925 |
purple blotch |
Alternaria porri |
A volunteer onion plant with the purple blocth disease caused by Alternaria porri in a winter wheat field |
| 5362924 |
garden onion |
Allium cepa |
Volunteer onion plants in a winter wheat field |
| 5362923 |
garden onion |
Allium cepa |
Volunteer onion plants in a winter wheat field. |
| 5361114 |
garden onion |
Allium cepa |
A windrow harvestor in operation during onion harvesting in the field. |
| 5361115 |
garden onion |
Allium cepa |
A windrow harvestor in operation during onion harvesting in the field. |
| 5361113 |
garden onion |
Allium cepa |
A windrow harvestor in operation during onion harvesting in the field. |
| 5361092 |
garden onion |
Allium cepa |
A windrow harvestor in operation during onion harvesting in the field. |
| 5361091 |
garden onion |
Allium cepa |
Onion debris on the field after a harvesting operation. |
| 5361090 |
garden onion |
Allium cepa |
Matured onions on the field during a harvesting operation. |
| 5361087 |
garden onion |
Allium cepa |
An Air/Humidity control unit at an onion storage shed. |
| 5361086 |
garden onion |
Allium cepa |
An Air/Humidity control unit at the onion storage shed. |
| 5361085 |
garden onion |
Allium cepa |
Unloading of harvested onions to a storage shed. |
| 5361084 |
garden onion |
Allium cepa |
Unloading of harvested onions to a storage shed. |
| 5361081 |
garden onion |
Allium cepa |
A scenic view of harvested onions topped and bagged in a field near Kersey. |
| 5361080 |
garden onion |
Allium cepa |
Harvested white onions involved in an onion variety trial. |
| 5361079 |
garden onion |
Allium cepa |
Harvested white onions involved in an onion variety trial. |
| 5361078 |
garden onion |
Allium cepa |
Harvested red onions involved in an onion variety trial. |
| 5361077 |
garden onion |
Allium cepa |
Harvested red onions involved in an onion variety trial. |
| 5361076 |
garden onion |
Allium cepa |
Harvested yellow onions involved in an onion variety trial. |
| 5361075 |
garden onion |
Allium cepa |
Harvested yellow onions involved in an onion variety trial |
| 5361074 |
garden onion |
Allium cepa |
A harvested field of onions involved in an onion variety trial |
| 5361073 |
garden onion |
Allium cepa |
A field of matured onions involved in an onion variety trial. |
| 5361514 |
onion smudge |
Colletotrichum circinans |
An onion bulb with symptoms of the onion smudge disease caused by Colletotrichum circinans. |
| 5361513 |
gray mold |
Botrytis cinerea |
Yellow onion bulbs with symptoms of the brown stain disease caused by Bortytis cinerea. |
| 5361511 |
botrytis rot |
Botrytis allii |
An onion cull with Botrytis lesion caused by Bortytis allii. |
| 5361510 |
botrytis rot |
Botrytis allii |
An onion bulb with early symptoms of the neck rot disease caused by Bortytis allii. |
| 5361509 |
gray molds |
Botrytis spp. |
An onion plant showing blast symptoms caused by Bortytis sp. in the field. |
| 5361508 |
gray molds |
Botrytis spp. |
A pile of onion culls infected with Botrytis sp. near a field. |
| 5361507 |
stem and bulb nematode |
Ditylenchus dipsaci |
Onion transplants showing stem and bulb damage caused by the stem and bulb nematode, Ditylenchus dipsaci. |
| 5361506 |
smut |
Urocystis colchici |
Onion seedlings showing symptoms of onion seedling smut, Urocystis colchici. |
| 5361505 |
smut |
Urocystis colchici |
An onion seedling showing symptoms of onion seedling smut, Urocystis colchici. |
| 5361504 |
pink root of onion |
Phoma terrestris |
A young onion bulb showing Pink root, Phoma terrestris, infection on the field. |
| 5361503 |
Fusarium damping-off |
Fusarium oxysporum f.sp. cepae |
Onion plants showing Fusarium wilt, Fusarium oxysporum f.sp.cepae infected basal plates on the field. |
| 5361502 |
Fusarium damping-off |
Fusarium oxysporum f.sp. cepae |
Old onion bulbs showing symptoms of Fusarium wilt, Fusarium oxysporum f.sp.cepae and Pink root Phoma terrestris on the field. |
| 5361501 |
Fusarium damping-off |
Fusarium oxysporum f.sp. cepae |
Onion plants showing leaf symptoms of Fusarium wilt, Fusarium oxysporum f.sp.cepae on the field. |
| 5361500 |
Fusarium damping-off |
Fusarium oxysporum f.sp. cepae |
A young onion bulb showing symptoms of Fusarium wilt, Fusarium oxysporum f.sp.cepae on the field. |
| 5361498 |
garden onion |
Allium cepa |
A scenic view of a mid-season field of onions at Delta. |
| 5361496 |
garden onion |
Allium cepa |
A scenic view of seeded onion curing in windrows on a field at Montrose. |
| 5361489 |
botrytis rot |
Botrytis allii |
Dried onion culls with Botrytis, Botrytis allii on the filed . |
| 5361488 |
purple blotch |
Alternaria porri |
An in-filed focus on the symptoms of purple blotch Alternaria porri on a field of onion plants. |
| 5361487 |
purple blotch |
Alternaria porri |
Advanced symptoms of onion purple blotch Alternaria porri on a field of onion plants. |
| 5361486 |
purple blotch |
Alternaria porri |
Early leaf symptoms of onion purple blotch Alternaria porri on onion. |
| 5361485 |
downy mildew |
Peronospora destructor |
An in-filed focus of onion downy mildew, Peronospora destructor. |
| 5361484 |
downy mildew |
Peronospora destructor |
Advanced leaf symptoms of downy mildew, Peronospora destructor on a field of onion plants |
| 5361483 |
downy mildew |
Peronospora destructor |
Advanced leaf symptoms of downy mildew, Peronospora destructor on a field of onion plants. |
| 5361482 |
downy mildew |
Peronospora destructor |
Early leaf symptoms of downy mildew, Peronospora destructor on a field onion plants. |
| 5361481 |
downy mildew |
Peronospora destructor |
Early leaf symptoms of downy mildew, Peronospora destructor on a field onion plant leaf. |
| 5361478 |
bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
Late bulb symptoms of bacterial soft rot Erwinia carotovora pv. carotovora of onions. |
| 5361479 |
bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
Characteristic leaf symptoms of bacterial soft rot Erwiniacarotovorapv.carotovora on onion leaves |
| 5361475 |
common bean |
Phaseolus vulgaris |
A bean field harvesting operation using a combine harvestor. |
| 5361474 |
common bean |
Phaseolus vulgaris |
A bean filed harvesting operation using a combine harvestor. |
| 5361473 |
common bean |
Phaseolus vulgaris |
A harvested bean field showing a close-up view of bean debris after the operation of a windrower harvestor. |
| 5361471 |
common bean |
Phaseolus vulgaris |
A windrower harvestor in operation during bean field harvesting. |
| 5361467 |
common bean |
Phaseolus vulgaris |
A close-up view of a bean flower bud. |
| 5361466 |
common bean |
Phaseolus vulgaris |
A bean field at Yuma showing the LIPA irrigation system used. |
| 5361462 |
common bean |
Phaseolus vulgaris |
A close-up view of a mid-season bean field near Burlington. |
| 5361461 |
common bean |
Phaseolus vulgaris |
A view of a bean seed production field near Olathe. |
| 5358522 |
Iris Yellow Spot Virus |
Tospovirus IYSV |
Imported seedling transplant infected with Iris Yellow Spot Virus (spring 2004). |
| 5358515 |
onions |
Allium spp. |
Close-up view of the bulblets on an Egyptian Walking Onion in the Phoenix Botanical Garden. |
| 5358514 |
onions |
Allium spp. |
Close-up view of bulblets on an Egyptian Walking Onion (Allium x proliferum) in the Phoenix Botanical Garden. |
| 5357622 |
downy mildew |
Peronospora destructor |
Graphic display of downy mildew on onions |
| 5171046 |
bumble flower beetle |
Euphoria inda |
grub and raster pattern on last abdomenal segment; 8 June, 2004 |
| 5165060 |
willow carrot aphid |
Cavariella aegopodii |
showing posterior and both cornicles; from Anethum graveolens in shipment from Colombia; Dec 2005 |
| 5288077 |
Jeffery pine beetle |
Dendroctonus jeffreyi |
tarsal claw |
| 5288082 |
Jeffery pine beetle |
Dendroctonus jeffreyi |
tarsi and tibia |
| 5169008 |
leafhopper |
Rhytidodus decimaquarta |
tibia and tarsus; Found at Quarantine by PPQ SAV on tile from Italy 1992. |
| 5169021 |
leafhoppers |
Scaphytopius spp. |
tarsus; Found on Peanut in Garden Alabama, Limestone, W. of Athens; 12 mi. W of Athens 29 Jul 1996 col. C. Olsen. |
| 5169022 |
leafhoppers |
Scaphytopius spp. |
showing wings; Found on Peanut in Garden Alabama, Limestone, W. of Athens; 12 mi. W of Athens 29 Jul 1996 col. C. Olsen. |
| 5169058 |
leafhoppers |
Tylozygus spp. |
wing tip; Taken at Quarantine at CBP Pharr TX by R. Gonzales on Apium graveolens from Mexico 3 Jan 2006. |
| 5169060 |
aphid |
Uroleucon ambrosiae |
scape and pedicel of antennae; Found at Quarantine at CBP ATL by C. Watkins 17 Mar 2005; on Artemesia dracunculus |
| 5169067 |
leafhopper |
Xyphon sagittifera |
wing venation; Found at Quarantine at CBP ATL by D. Duke from Colombia 12 Mar 2006; on Ocimum basilicum |
| 5166057 |
pineapple mealybug |
Dysmicoccus brevipes |
Found at Quarantine at CBP ATL by M. Rodriguez on Artocarpus altillis from St. Lucia. |
| 5166058 |
pineapple mealybug |
Dysmicoccus brevipes |
Found at Quarantine at CBP ATL by M. Rodriguez on Artocarpus altillis from St. Lucia. |
| 5166049 |
pineapple mealybug |
Dysmicoccus brevipes |
Found at Quarantine at CBP ATL by M. Rodriguez on Artocarpus altillis from St. Lucia. |
| 5168090 |
leafhoppers |
Plesiommata spp. |
wing tip |
| 5168096 |
plant bug |
Proba sallei |
tarsal claws; Collected at Quarantine CBP ATL by M. Rodriguez on Rosmarinus officinalis from Colombia. |
| 5169073 |
seed bug |
Xanthochilus saturnius |
Found at Quarantine at CBP SAV by P. Boyd-Robertson with tiles from Italy 06 Dec 2005. |
| 5169031 |
melon thrips |
Thrips palmi |
antennae; Found at Quarantine in CBP ATL by T. Masburn on Chrysanthemums from Colombia 18 May 2006. Antennae |
| 5169050 |
whitefly |
Tetraleurodes neemani |
|
| 5169051 |
whitefly |
Tetraleurodes neemani |
|
| 5169052 |
whitefly |
Tetraleurodes neemani |
|
| 5169053 |
whitefly |
Tetraleurodes neemani |
|
| 5169011 |
beet armyworm |
Spodoptera exigua |
mandibles; Found in Quarantine at CBP ATL by D. Duke on Alstroemaria sp. from Colombia 25 Jun 2006. |
| 5166077 |
leafhopper |
Draeculacephala spp. |
31 Jul 2006; showing venation at wing tip; captured sweeping meadow |
| 5167018 |
Caribbean pod borer |
Fundella pellucens |
setae; recovered from Vigna unguiculata from Dominican Republic |
| 5167019 |
Caribbean pod borer |
Fundella pellucens |
setae; recovered from Vigna unguiculata from Dominican Republic |
| 5167027 |
eucalyptus weevil |
Gonipterus scutellatus |
setae; recovered from Eucalytpus sp. from Netherlands |
| 5167028 |
leafhoppers |
Graphocephala spp. |
venation of wing tip |
| 5167031 |
leafhoppers |
Gypona spp. |
venation of wing tip |
| 5167034 |
leafhoppers |
Gyponana spp. |
venation of wing tip |
| 5167037 |
old world bollworm, cotton bollworm |
Helicoverpa armigera |
recovered from Cucurbita sp. flowers from Italy |
| 5167038 |
old world bollworm, cotton bollworm |
Helicoverpa armigera |
mandibles; recovered from Cucurbita sp. flowers from Italy |
| 5167045 |
leafhopper |
Hortensia similis |
wing extended showing venation; recovered from Ocimum basilicum from Colombia |
| 5167054 |
leafhoppers |
Hamana spp. |
wing tips |
| 5167078 |
leafhopper |
Hortensia spp. |
wing venation |
| 5167080 |
leafhopper |
Hortensia spp. |
wing venation |
| 5167090 |
grain thrips |
Limothrips cerealium |
antennae; recovered from Hydrangea sp from Netherlands in Quarantine Atlanta, GA |
| 5167091 |
grain thrips |
Limothrips cerealium |
recovered from Hydrangea sp from Netherlands in Quarantine Atlanta, GA |
| 5168001 |
longhorn beetle |
Molorchus minor |
close-up of antennae; scape and pedicel; recovered from shipment of granite from Italy at Quarantine Savannah, GA |
| 5168002 |
longhorn beetle |
Molorchus minor |
showing eye curving around the base of the antennae; recovered from shipment of granite from Italy at Quarantine Savannah, GA |
| 5168015 |
conehead |
Neoconocephalus spp. |
close-up of eye; At large in Quarantine Atlanta, GA |
| 5168019 |
leafhopper |
Nephotettix virescens |
Ships hold in Quarantine |
| 5168037 |
ant |
Odontomachus spp. |
mouthparts; recovered from shipment of Mentha sp. from Jordon at Quarantine ALT |
| 5168072 |
plant bug |
Proba sallei |
close-up of wings over back; recovered from shipment of Ocimum basilicum from Colombia at Quarantine ATL |
| 5168074 |
plant bug |
Proba sallei |
recovered from shipment of Ocimum basilicum from Colombia at Quarantine ATL |
| 5168075 |
plant bug |
Proba sallei |
junction of pronotum and scutellum; recovered from shipment of Ocimum basilicum from Colombia at Quarantine ATL |
| 5166085 |
chocolate-band snail |
Eobania vermiculata |
removed from shell; Recovered from shipment of Tiles arriving from Italy Apr. 2006 |
| 5166090 |
leafhoppers |
Empoasca spp. |
wing extended showing venation; found in shipment of Ameranthus sp. from Netherlands |
| 5167004 |
leafhoppers |
Eupteryx spp. |
venation of the wing tip; recovered from Tillandsia sp. |
| 5167006 |
leafhoppers |
Eupteryx spp. |
antennae; recovered from Tillandsia sp. |
| 5166065 |
marsh slug |
Deroceras laeve |
recovered from Majorana sp. from Colombia Sep. 2005 |
| 5166052 |
pineapple mealybug |
Dysmicoccus brevipes |
antennae; recovered from Carica papaya in shipment from Jamaica; June 2006 |
| 5166054 |
pineapple mealybug |
Dysmicoccus brevipes |
recovered from Carica papaya in shipment from Jamaica; June 2006 |
| 5166056 |
pineapple mealybug |
Dysmicoccus brevipes |
recovered from Carica papaya in shipment from Jamaica; June 2006 |
| 5165097 |
sharp-stigma looper moth |
Ctenoplusia oxygramma |
setae; recovered from Ocimum basilicum in shipment from Colombia; Mar 2006 |
| 5166034 |
leaf worm |
Copitarsia spp. |
close-up of leg; recovered from Mentha sp. in shipment from Colombia; Aug 2005 |
| 5165072 |
Ctenarytaina spatulata |
Ctenarytaina spatulata |
wing venation; recovered from Eucalyptus sp. in shipment from Netherlands; Nov 2005 |
| 5165075 |
Ctenarytaina spatulata |
Ctenarytaina spatulata |
wing venation; recovered from Eucalyptus sp. in shipment from Netherlands; Nov 2005 |
| 5165081 |
willow carrot aphid |
Cavariella aegopodii |
wings showing venation; recovered from Anethum graveolensin shipment from Colombia; Dec 2005 |
| 5165061 |
willow carrot aphid |
Cavariella aegopodii |
antennae; from Anethum graveolens in shipment from Colombia; Dec 2005 |
| 5165032 |
long-horned beetle |
Arhopalus spp. |
urogomphi; from wood packing material in shipment from United Kingdom; Nov 2006 |
| 5165055 |
willow carrot aphid |
Cavariella aegopodii |
cornicle; from Anethum graveolens in shipment from Colombia; Dec 2005 |
| 5165058 |
willow carrot aphid |
Cavariella aegopodii |
tip of mouthparts; from Anethum graveolens in shipment from Colombia; Dec 2005 |
| 5174006 |
ambrosia beetle |
Xyleborus pubescens |
antennae; T. H. Atkinson, R. J. Rabaglia, and D. E. Bright. 1990. Newly detected exotic species of Xyleborus (Scolytidae) in eastern North America, with a revised key to species. Can. Ent. 122:93-104, 1990. |
| 5171062 |
northern masked chafer |
Cyclocephala borealis |
raster pattern on last abdomenal segment; 21 March, 2006 |
| 5171065 |
European chafer |
Amphimallon majale |
raster pattern on last abdomenal segment; 5 May, 2004 |
| 5171044 |
Japanese beetle |
Popillia japonica |
raster pattern on last abdomenal segment; 1 June, 2005 |
| 5164098 |
leafhoppers |
Alebra spp. |
wings with venation; Sweep collection |
| 5165003 |
many plume moths |
Alucita spp. |
wing; found in tile container; Turkey |
| 5164071 |
foxglove aphid |
Aulacorthum solani |
antennae |
| 5164060 |
lesser mealworm |
Alphitobius diaperinus |
antennae |
| 5159038 |
black stem borer |
Xylosandrus germanus |
protibia |
| 5157062 |
pinhole borer |
Platypus compositus |
protibia |
| 5157036 |
bark beetle |
Phloeotribus frontalis |
tarsus |
| 5156077 |
ambrosia beetle |
Monarthrum fasciatus |
antennae |
| 5155058 |
bark beetle |
Dendrosinus bourreriae |
protibia |
| 5155060 |
bark beetle |
Dendrosinus bourreriae |
tarsus |
| 5156003 |
eastern ash bark beetle |
Hylesinus aculeatus |
antennal club |
| 5158052 |
ambrosia beetle |
Trypodendron scabricollis |
protibia |
| 5158014 |
bark beetle |
Scolytodes schwarzi |
protibia |
| 5158095 |
ambrosia beetle |
Xyleborus pubescens |
protibia |
| 5157070 |
pinhole borer |
Platypus flavicornis |
protibia |
| 5157083 |
pinhole borer |
Platypus quadridentatus |
protibia |
| 5157091 |
bark beetle |
Pseudopityophthorus asperulus |
protibia |
| 5156080 |
ambrosia beetle |
Monarthrum fasciatus |
protibia |
| 5156086 |
apple wood stainer |
Monarthrum mali |
protibia |
| 5156067 |
bark beetle |
Liparthrum squamosum |
protibia |
| 5156074 |
bark beetle |
Micracis swainei |
protibia |
| 5156029 |
bark beetle |
Hypothenemus dissimilis |
protibia |
| 5156036 |
bark beetle |
Hypothenemus eruditus |
protibia |
| 5155090 |
bark beetle |
Hylastes tenuis |
protibia |
| 5154071 |
mountain mahogany bark beetle |
Chaetophloeus heterodoxus |
protibia |
| 5155031 |
southern pine beetle |
Dendroctonus frontalis |
protibia |
| 5082044 |
ambrosia beetle |
Myoplatypus flavicornis |
female declivity; fig. 6 in: Atkinson, T.H. 1989. The Platypus of Florida (Coleoptera: Platypodidae). Fla. Dept. Agric. Cons. Servi., Div. Plant Indus., Entomol. Circ., 321 |
| 5082046 |
ambrosia beetle |
Myoplatypus flavicornis |
declivity; fig. 5 in: Atkinson, T.H. 1989. The Platypus of Florida (Coleoptera: Platypodidae). Fla. Dept. Agric. Cons. Servi., Div. Plant Indus., Entomol. Circ., 321 |
| 5082051 |
ambrosia beetle |
Oxoplatypus quadridentatus |
female declivity; fig. 14 in: Atkinson, T.H. 1989. The Platypus of Florida (Coleoptera: Platypodidae). Fla. Dept. Agric. Cons. Servi., Div. Plant Indus., Entomol. Circ., 321 |
| 5082052 |
ambrosia beetle |
Oxoplatypus quadridentatus |
female pronotum; fig. 15 in: Atkinson, T.H. 1989. The Platypus of Florida (Coleoptera: Platypodidae). Fla. Dept. Agric. Cons. Servi., Div. Plant Indus., Entomol. Circ., 321 |
| 5082053 |
ambrosia beetle |
Oxoplatypus quadridentatus |
male declivity; fig. 13 in: Atkinson, T.H. 1989. The Platypus of Florida (Coleoptera: Platypodidae). Fla. Dept. Agric. Cons. Servi., Div. Plant Indus., Entomol. Circ., 321 |
| 5023025 |
sixspined ips |
Ips calligraphus |
antenna |
| 5082029 |
ambrosia beetle |
Euplatypus compositus |
declivity; fig. 9 in: Atkinson, T.H. 1989. The Platypus of Florida (Coleoptera: Platypodidae). Fla. Dept. Agric. Cons. Servi., Div. Plant Indus., Entomol. Circ., 321 |
| 5082031 |
ambrosia beetle |
Euplatypus compositus |
male declivity; fig. 8 in: Atkinson, T.H. 1989. The Platypus of Florida (Coleoptera: Platypodidae). Fla. Dept. Agric. Cons. Servi., Div. Plant Indus., Entomol. Circ., 321 |
| 5082032 |
ambrosia beetle |
Euplatypus parallelus |
female declivity; fig. 12 in: Atkinson, T.H. 1989. The Platypus of Florida (Coleoptera: Platypodidae). Fla. Dept. Agric. Cons. Servi., Div. Plant Indus., Entomol. Circ., 321 |
| 5082033 |
ambrosia beetle |
Euplatypus parallelus |
male declivity; fig. 11 in: Atkinson, T.H. 1989. The Platypus of Florida (Coleoptera: Platypodidae). Fla. Dept. Agric. Cons. Servi., Div. Plant Indus., Entomol. Circ., 321 |
| 2180042 |
balasm fir bark beetle |
Pityokteines sparsus |
|
| 2180043 |
balasm fir bark beetle |
Pityokteines sparsus |
spines on elytral declevity |
| 2180044 |
balasm fir bark beetle |
Pityokteines sparsus |
spines on elytral declevity |
| 2182058 |
basswood thrips |
Neohydatothrips tiliae |
antennae |
