| 5362117 |
phytoplasma (general) |
Phytoplasma N/A |
A pear tree with the early fall-leaf-coloration symptoms of a phytoplasmic infection in an orchard. |
| 5366532 |
ring nematode |
Mesocriconema xenoplax |
Microscopic view of the ring nematode Macroposthonia xenoplax, a pest species of several crops. |
| 5364405 |
Verticillium wilts |
Verticillium spp. |
Whole-tree symptoms of verticillium wilt in sweet cherry. |
| 5364403 |
Cytospora cankers |
Cytospora spp. |
Progression of cytospora infection on the trunk of a sweet cherry tree. |
| 5364402 |
Cytospora cankers |
Cytospora spp. |
Cytospora fruiting bodies under the bark epidermis of sweet cherry. |
| 5362197 |
mechanical |
|
"Inking" of peaches caused by abrasion during harvesting or handling. Damage is more severe on the fruits to the right. |
| 5365443 |
Peach Mosaic Virus |
Trichovirus PcMV |
A peach plant showing the foliar symptoms of a peach mosaic virus (PcMV) infection. |
| 5366529 |
Phytophthora root and crown rots |
Phytophthora spp. |
Phytophthora root & crown rot infection of raspberry caused by Phytophthora spp.. |
| 5362097 |
Cherry Mottle Leaf Virus |
Trichovirus CMLV |
Sweet cherry leaves with symptoms of a cherry mottle leaf virus (CMLV) infefction in the field. |
| 5362095 |
Cherry Twisted Leaf Virus |
Unassigned ChTLV |
A sweet cherry plant showing leaf symptoms of a cherry twisted leaf virus (ChTLV) infefction in the field. |
| 5362089 |
Cherry Twisted Leaf Virus |
Unassigned ChTLV |
An apricot plant showing fruit symptoms of a cherry twisted leaf virus (ChTLV) infefction in the field. |
| 5362088 |
Cherry Twisted Leaf Virus |
Unassigned ChTLV |
An apricot plant showing leaf symptoms of a cherry twisted leaf virus (ChTLV) infefction in the field. |
| 5361963 |
Neofabraea fungus |
Neofabraea perennans |
Apple twigs showing symptoms of a perennial canker infection caused by Neofabraea perennans. |
| 5361909 |
Prune Dwarf Virus |
Ilarvirus PDV |
An European plum infected with the prune dwarf virus (PDV) in an orchard. |
| 5361907 |
Prune Dwarf Virus |
Ilarvirus PDV |
An European plum infected with the prune dwarf virus (PDV) in an orchard. |
| 5361910 |
Apple Scar Skin Viroid |
Apscaviroid ASSVd |
An apple fruit infected with the apple scar skin viroid (ASSVd) in an orchard. |
| 5366574 |
frost and winter injury (general) |
|
Winter injury to peach shoots. |
| 5366575 |
frost and winter injury (general) |
|
Winter injury to apple shoots. |
| 5366581 |
frost and winter injury (general) |
|
Winter injury to Bartlett pear shoots. |
| 5366576 |
frost and winter injury (general) |
|
Winter injury to Bartlett pear shoots. |
| 5362084 |
Peach Mosaic Virus |
Trichovirus PcMV |
Peach and nectarine fruit symptoms of peach mosaic virus (PcMV) infection. The upper row shows healthy fruits whiles the lower row are diseased fruits. |
| 5361989 |
peach |
Prunus persica |
A peach plant suffering from a severe replanting problem in an orchard. This peach orchard followed a cherry orchard in a rotation. |
| 5366587 |
snow and ice damage (snow load) |
|
Mild snow damage to a peach tree pruned after the winter. Trees pruned before the winter suffer severe winter injuries. |
| 5366586 |
snow and ice damage (snow load) |
|
Snow damage to a pruned peach tree. The pruning was done before the winter months. |
| 5366580 |
X-disease |
Phytoplasma MLO |
Winter damage to a phytoplasmic x-disease infected peach orchard. |
| 5366579 |
X-disease |
Phytoplasma MLO |
Winter damage to a phytoplasmic x-disease infected peach orchard. |
| 5366578 |
X-disease |
Phytoplasma MLO |
Winter damage to a phytoplasmic x-disease infected peach orchard. |
| 5366573 |
frost and winter injury (general) |
|
Two peach trees showing how effective the proper timing of pruning can be with respect to the winter season. The left tree was pruned after the freeze whereas the right tree was pruned before the freeze. |
| 5366572 |
X-disease |
Phytoplasma MLO |
Winter damage to a phytoplasmic x-disease infected peach orchard. |
| 5362203 |
frost and winter injury (general) |
|
Snow damage to a peach tree in an orchard. |
| 5365450 |
X-disease |
Phytoplasma MLO |
A chokecherry plant with the leaf coloration symptoms of the phytoplasmic x-disease infection. |
| 5365446 |
Peach Mosaic Virus |
Trichovirus PcMV |
A peach plant showing the foliar symptoms of a peach mosaic virus (PcMV) infection. |
| 5365444 |
Peach Mosaic Virus |
Trichovirus PcMV |
A peach plant showing the foliar symptoms of a peach mosaic virus (PcMV) infection. |
| 5365442 |
nectarine |
Prunus persica var. nucipersica |
The showy blossoms of a Red-Gold nectarine. |
| 5365437 |
peach |
Prunus persica |
A pictorial comparism of the first leaf response of replanted peach trees to shank-injected T-98 soil fumigant applied at 0.0, 1.0, 1.5 and 2.0 lb/20' on a field at Grand Junction in Colorado. |
| 5365436 |
peach |
Prunus persica |
A pictorial comparism of the first leaf response of replanted peach trees to hand probe-injected chloropicrin soil fumigant applied at 0.0, 1.0 and 1.5 lb/20' on a field at Grand Junction in Colorado. |
| 5365435 |
peach |
Prunus persica |
A pictorial comparism of the first leaf response of replanted peach trees to probe-injected T-98 soil fumigant applied at 0.0, 0.5, 1.0 and 1.5 lb/20' on a field at Grand Junction in Colorado. |
| 5365434 |
Botryosphaeria canker |
Botryosphaeria dothidea |
A peach trunk showing the bark tissue symptoms of a Botryosphaeria canker infection caused by Botryosphaeria dothidea in the field. |
| 5365422 |
Cytospora cankers |
Cytospora spp. |
An apple trunk with a Cytospora canker infection. |
| 5365413 |
peach |
Prunus persica |
The non-showy blossoms of an Elberta peach. |
| 5365412 |
nectarine |
Prunus persica var. nucipersica |
The showy blossoms of a Red-Gold nectarine. |
| 5365409 |
storm damage (general) |
|
Storm damage on a peach fruit. |
| 5365408 |
storm damage (general) |
|
Storm damage on apple fruits in an orchard. |
| 5362224 |
X-disease |
Phytoplasma MLO |
A chokecherry plant with the early leaf coloration symptoms of the phytoplasmic x-disease infection in an orchard. |
| 5362219 |
peach wart |
Uncharacterised agent N/A |
Peach wart symptoms on Elberta peach fruits in an orchard. |
| 5362217 |
peach wart |
Uncharacterised agent N/A |
Elberta peach with fruit symptoms of peach wart in an orchard. |
| 5362195 |
apple |
Malus domestica |
An air-blast orchard pesticide sprayer in operation in an apple orchard. |
| 5362194 |
apple |
Malus domestica |
An air-blast orchard pesticide sprayer in operation in an apple orchard. |
| 5362192 |
pesticides |
|
An air-blast orchard sprayer used for pesticide applications in orchards. |
| 5362189 |
apple |
Malus domestica |
The nozzle set of an air-blast orchard sprayer used for pesticide applications in orchards. |
| 5362186 |
apple |
Malus domestica |
An air-blast orchard sprayer used for pesticide applications in orchards. |
| 5362184 |
apple |
Malus domestica |
An air-blast orchard pesticide sprayer in operation in an apple orchard. |
| 5362178 |
Peach Mosaic Virus |
Trichovirus PcMV |
The color break symptoms of peach mosaic virus (PcMV) infection of a peach flower in the field. |
| 5362176 |
Peach Mosaic Virus |
Trichovirus PcMV |
The color break symptoms of peach mosaic virus (PcMV) infection of a peach flower in the field. |
| 5362173 |
peach |
Prunus persica |
The first pink stage of bud development of a peach tree. |
| 5362171 |
Peach Mosaic Virus |
Trichovirus PcMV |
Peach mosaic virus (PcMV) infection of peach leaves (the two upper leaves) as compared with a healthy leaf (the bottom leaf). |
| 5362164 |
calcium deficiency |
|
An apple fruit showing the apple bitter pit symptoms caused by calcium deficiency in the field. |
| 5362131 |
wild-proso millet |
Panicum miliaceum |
A field of mature broomcorn millet. |
| 5362129 |
head smut |
Sphacelotheca reiliana |
A cereal rye head infected with the head smut fungus in the field. |
| 5362127 |
head smut |
Sphacelotheca reiliana |
A field of cereal rye infected with the head smut fungus. |
| 5362109 |
Cherry Little Cherry Virus |
|
Lambert sweet cherry showing the fruit symptoms of a cherry little cherry virus infection in an orchard. |
| 5362107 |
Cherry Rasp Leaf Virus |
Nepovirus CRLV |
Red delicious apple fruits showing the flat fruit symptoms of a cherry rasp leaf virus (CRLV) infection . |
| 5362104 |
apple |
Malus domestica |
The fruits of the red delicious apple in an orchard. |
| 5362098 |
Cherry Rusty Mottle Virus |
Trichovirus CRMV |
A sweet cherry plant showing the leaf symptoms of a cherry rusty mottle virus (CRMV)infection in the field. |
| 5362026 |
pesticides |
|
A Ford tractor used for shank soil fumigation on an orchard at Grand Junction in Colorado. |
| 5362086 |
Peach Mosaic Virus |
Trichovirus PcMV |
Loring peach showing symptoms of peach mosaic virus (PcMV) infection (on the right) on a field at Colorado. |
| 5362082 |
Peach Mosaic Virus |
Trichovirus PcMV |
Loring peach showing symptoms of peach mosaic virus (PcMV) infection (B) as compared to the healthy twig (A). |
| 5362080 |
Peach Mosaic Virus |
Trichovirus PcMV |
The Early Red Haven variety of peach showing rosetting symptoms (on the right) of an infection caused by peach mosaic virus (PcMV) in the field. |
| 5362036 |
pesticides |
|
A soil injection probe for metam-sodium application on a field at Grand Junction in Colorado. |
| 5362033 |
pesticides |
|
Shank injection rigs for metam-sodium application on a field at Grand Junction in Colorado. |
| 5362032 |
pesticides |
|
An injection rig for metam-sodium application on a field at Grand Junction in Colorado. |
| 5362024 |
pesticides |
|
Tractor-mounted fumigation tanks in use during shank soil fumigation on an orchard at Grand Junction in Colorado. |
| 5362022 |
pesticides |
|
A hand probe in use during pesticide application on an orchard at Grand Junction in Colorado. |
| 5362020 |
pesticides |
|
A methyl bromide gauge in use during pesticide application on an orchard at Grand Junction in Colorado. |
| 5362018 |
peach |
Prunus persica |
A deep ripper used for field operations on a peach orchard at Grand Junction in Colorado. This ripper is set to rip at upto 5' in depth. |
| 5362016 |
peach |
Prunus persica |
A deep ripper used for field operations on a peach orchard at Grand Junction in Colorado. This ripper is set to rip at upto 5' in depth. |
| 5362014 |
peach |
Prunus persica |
A deep ripper in operation on a peach orchard at Grand Junction in Colorado. |
| 5362012 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to the Control (no fumigant application) treatment in a soil fumigant study on a field at Grand Junction in Colorado. The soil fumigants that were involved in the study were T-98, T-67 and Chloropicrin administered at different rates and by different application techniques. |
| 5362011 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to T-98 soil fumigant applied at a rate of 0.5 lb/20' on a field at Grand Junction in Colorado. Application was done by probe injection. |
| 5362009 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to T-98 soil fumigant applied at a rate of 1.0 lb/20' on a field at Grand Junction in Colorado. Application was done by probe injection. |
| 5362007 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to T-98 soil fumigant applied at a rate of 1.5 lb/20' on a field at Grand Junction in Colorado. Application was done by probe injection. |
| 5362005 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to T-67 soil fumigant applied at a rate of 0.5 lb/20' on a field at Grand Junction in Colorado. Application was done by probe injection. |
| 5362003 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to T-67 soil fumigant applied at a rate of 1.0 lb/20' on a field at Grand Junction in Colorado. Application was done by probe injection. |
| 5362001 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to T-67 soil fumigant applied at a rate of 1.5 lb/20' on a field at Grand Junction in Colorado. Application was done by probe injection. |
| 5361998 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to chloropicrin soil fumigant applied at a rate of 1.5 lb/20' on a field at Grand Junction in Colorado. Application was done by probe injection. |
| 5361997 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to chloropicrin soil fumigant applied at a rate of 1.0 lb/20' on a field at Grand Junction in Colorado. Application was done by probe injection. |
| 5361994 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to T-98 soil fumigant applied at a rate of 1.0 lb/20' on a field at Grand Junction in Colorado. Application was done by shank injection. |
| 5361993 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to T-98 soil fumigant applied at a rate of 1.5 lb/20' on a field at Grand Junction in Colorado. Application was done by shank injection. |
| 5361990 |
peach |
Prunus persica |
The first leaf response of a replanted peach tree to T-98 soil fumigant applied at a rate of 2.0 lb/20' on a field at Grand Junction in Colorado. Application was done by shank injection. |
| 5361985 |
soil fumigant |
|
Soil fumigant application by use of hand probe injection in an orchard. |
| 5361982 |
soil fumigant |
|
A soil fumigant applicator in operation in an orchard. |
| 5361977 |
Tomato Ringspot Virus |
Nepovirus ToRSV |
Graft union incompatibility in apricot cuased by tomato ringspot virus (ToRSV) in the field. |
| 5361971 |
Tomato Ringspot Virus |
Nepovirus ToRSV |
An apple stem with the typical symptom of apple union necrosis and decline (AUND) infection cuased by tomato ringspot virus (ToRSV) in the field. |
| 5361969 |
Neofabraea fungus |
Neofabraea malicorticis |
An apple stem with symptoms of bull's-eye rot infection caused by Neofabraea malicorticis. This disease is also sometimes referred to as the northwestern anthracnose canker. |
| 5361967 |
Neofabraea fungus |
Neofabraea malicorticis |
Apple twigs with symptoms of bull's-eye rot infection caused by Neofabraea malicorticis. This disease is also sometimes referred to as the northwestern anthracnose canker. |
| 5361962 |
Nectria canker |
Nectria galligena |
An apple stem infected with the European canker caused by Nectria galligena. |
| 5361959 |
bread mold |
Rhizopus stolonifer var. stolonifer |
A peach fruit with a severe Rhizopus fruit rot (bread mold) infection caused by Rhizopus stolonifer. |
| 5361955 |
brown rots |
Monilinia spp. |
A mummy of the brown rot fungus Monilinia spp. on an infected peach tree. The fungus uses such mummified fruits as over-wintering structures. |
| 5361941 |
Stigmina fungus |
Wilsonomyces carpophilus |
Peach fruits with symptoms of a Coryneum blight infection caused by Wilsonomyces carpophilus. Other common names of this disease include shot hole, California blight, peach blight or pustular spot. |
| 5361920 |
Phytophthora root and crown rots |
Phytophthora spp. |
An apple tree with a Phytophthora crown rot infection caused by Phytophthora spp. in the field. |
| 5361918 |
Phytophthora root and crown rots |
Phytophthora spp. |
Premature fall leaf coloration of an apple tree due to Phytophthora crown rot infection caused by Phytophthora spp. in the field. |
| 5361914 |
Apple Mosaic Virus |
Ilarvirus ApMV |
A tree of the Golden Delicious apple showing leaf symptoms of apple mosaic virus (ApMV) in the field. |
| 5361975 |
graft incompatibility |
|
Graft union of a declining apricot tree on plum rootstock. |
| 5362028 |
pesticides |
|
Back end of a tractor-drawn pesticide applicator, showing shanks and a float used to seal rip marks after fumigation. |
| 5362030 |
pesticides |
|
View of shank injectors used for fumigation with metam sodium. |
| 5362154 |
black morel |
Morchella angusticeps |
Examples of the black morel, Morchella angusticeps. |
| 5362152 |
yellow pitted rot |
Hericium abietis |
Examples of the coral mushroom, Hericium abietis (Coral Hydnum). |
| 5362141 |
Dactylella fungus |
Dactylella spp. |
Microscopic view of the sticky net of a Dactylella species fungus, trapping a nematode. |
| 5366530 |
Phytophthora root and crown rots |
Phytophthora spp. |
Raspberry plants in a field showing symptoms of infection with Phtytophthora root and crown rot (Phytophthora sp.). |
| 5366528 |
Phytophthora root and crown rots |
Phytophthora spp. |
Soil removed from raspberry roots to show symptoms of infection with Phtytophthora root and crown rot (Phytophthora sp.). |
| 5365425 |
powdery mildew |
Podosphaera spp. |
Apricot fruit showing russet-colored symptoms of infection with powdery mildew (Podosphaera sp.). |
| 5365421 |
Cytospora cankers |
Cytospora spp. |
Apple with bark removed to show symptoms of infection with both Cytospora canker (Cytospora sp.) and Valsa canker (Valsa ceratosperma). |
| 5362221 |
Alternaria black molds / stem cankers |
Alternaria spp. |
Apricot fruits showing symptoms of infection with Alternaria spot (Alternaria sp.). |
| 5362200 |
blue mold |
Penicillium expansum |
Close-up view of blue mold (Penicillium expansum) spores on a rotting pear. |
| 5362198 |
blue mold |
Penicillium expansum |
Pears rotting due to infection with blue mold (Penicillium expansum). |
| 5362150 |
Ramaria fungi |
Ramaria spp. |
A colorful selection of Coral Fungi (Ramaria spp.). |
| 5362148 |
king bolete |
Boletus edulis |
Fruiting bodies of the King Bolete mushroom (Boletus edulis). |
| 5362146 |
inky cap |
Coprinus spp. |
Fruiting bodies of the inky cap mushroom (Coprinus micaceous). |
| 5362144 |
fairy rings |
|
Fruiting bodies of a fairy ring fungus, Marasmius oreades. |
| 5362143 |
fly agaric |
Amanita muscaria |
Fruiting bodies of the Fly Amanita (Amanita muscaria var. muscaria) at various stages of development. |
| 5362113 |
X-disease |
Phytoplasma MLO |
Graft union on a Bing cherry tree (on mahaleb rootstock) showing symptoms of mycoplasma-like X-disease. |
| 5361973 |
apricot |
Prunus armeniaca |
Apricot trees in decline due to incompatibility with plum rootstock. |
| 5366541 |
apple maggot |
Rhagoletis pomonella |
An apple cut open to show damage by the apple maggot (Rhagoleti pomonella). |
| 5365402 |
peach twig borer |
Anarsia lineatella |
Peaches cut open to show damage from the larvae of the peach twig borer (Anarsia lineatella). |
| 5362170 |
apple maggot |
Rhagoletis pomonella |
Apple cut open to show external and internal appearance of apples damaged by the apple maggot (Rhagoleti pomonella). |
| 5362168 |
apple maggot |
Rhagoletis pomonella |
External appearance of apples damaged by the apple maggot (Rhagoleti pomonella). |
| 5362121 |
pearleaf blister mite |
Eriophyes pyri |
Fallen leaves of vine maple (Acer circinatum) showing damage by blister mites, Eriophyes pyri (originally described as Phytoptus pyri). |
| 5361965 |
woolly apple aphid |
Eriosoma lanigerum |
Perennial canker on an apple tree, caused by woolly aphids (Eriosoma lanigerum). |
| 5362115 |
X-disease |
Phytoplasma MLO |
Collapse of sour cherry trees (Mahaleb rootstock) due to X-disease, a mycoplasma-like organism (MLO). |
| 5362111 |
X-disease |
Phytoplasma MLO |
Decline of sweet cherry trees (Mazzard rootstock) due to X-disease, a mycoplasma-like organism (MLO). |
| 5362102 |
Cherry Rasp Leaf Virus |
Nepovirus CRLV |
Unusual growth pattern in an apple tree, a symptom of Cherry Rasp Leaf Virus (CRLV). |
| 5366562 |
apple |
Malus domestica |
Boom sprayer applying herbicide to kill weeds in an apple orchard. |
| 5366560 |
apple |
Malus domestica |
Boom sprayer applying herbicide to kill weeds in an apple orchard. |
| 5366561 |
apple |
Malus domestica |
Boom sprayer applying herbicide to kill weeds in an apple orchard. |
| 5366559 |
apple |
Malus domestica |
Boom sprayer applying herbicide to kill weeds in an apple orchard. |
| 5366558 |
apple |
Malus domestica |
Boom sprayer applying herbicide to kill weeds in an apple orchard. |
| 5365433 |
Botryosphaeria canker |
Botryosphaeria dothidea |
Severe gumming on the trunk of a peach tree, caused by Botryosphaeria canker (Botryosphaeria dothidea). |
| 5365410 |
hail |
|
Hail damage to the bark of a young peach tree. |
| 5365407 |
hail |
|
Hail damage to the bark of a peach tree. |
| 5365406 |
hail |
|
Hail damage to the bark of a peach tree. |
| 5362160 |
nutrient deficiency |
|
Chronic chlorosis in peach trees, due to an iron deficiency. |
| 5362139 |
white pine blister rust |
Cronartium ribicola |
Close-up view of the aecia of white pine blister rust (Cronartium ribicola) on the branch of a pine tree. |
| 5362137 |
white pine blister rust |
Cronartium ribicola |
Aecia of white pine blister rust (Cronartium ribicola) on the trunk of a pine tree. |
| 5362119 |
dodder |
Cuscuta spp. |
Dodder (Cuscuta sp.) on field bindweed plants (Convolvulus arvensis) in an orchard. |
| 5362100 |
Cherry Rusty Mottle Virus |
Trichovirus CRMV |
Sweet cherry tree showing symptoms of Prunus Rusty Mottle Virus. |
| 5362062 |
apple |
Malus domestica |
Apple trees in an orchard demonstrating standard central leader training. |
| 5361916 |
peach |
Prunus persica |
Peach trees in summer. |
| 5362125 |
common smut |
Ustilago maydis |
Signs and symptoms of common leaf smut (Ustilago maydis). |
| 5362123 |
common smut |
Ustilago maydis |
Signs and symptoms of common leaf smut (Ustilago maydis). |
| 5366577 |
cold injury (low temperature) |
|
Stems of grapevines showing buds killed by cold winter temperatures. |
| 5362166 |
Wheat Soil Borne Mosaic vector |
Polymyxa graminis |
View through a microscope of a cluster of Polymyxa graminis resting spores in the epidermis of a wheat root. |
| 5362135 |
Soil Borne Wheat Mosaic Virus |
Furovirus SBWMV |
Leaves of wheat plants showing symptoms of Soil-Borne Wheat Mosaic Virus (SBWMV). |
| 5362133 |
Soil Borne Wheat Mosaic Virus |
Furovirus SBWMV |
Young wheat plants showing symptoms of Soil-Borne Wheat Mosaic Virus (SBWMV). |
