| 1573651 |
unknown fungi |
|
Close up of spots on grape leaf. Disease not identified, but is likely common. July 1997 |
| 5492804 |
black rot |
Guignardia bidwellii |
|
| 5467364 |
orange slime |
Cryptococcus macerans |
Cryptococcus macerans is a basidiomycete yeast |
| 5467365 |
orange slime |
Cryptococcus macerans |
Cryptococcus macerans is a basidiomycete yeast |
| 5467362 |
orange slime |
Cryptococcus macerans |
Cryptococcus macerans is a basidiomycete yeast |
| 5467363 |
orange slime |
Cryptococcus macerans |
Cryptococcus macerans is a basidiomycete yeast |
| 5467361 |
orange slime |
Cryptococcus macerans |
Cryptococcus macerans is a basidiomycete yeast |
| 5467360 |
orange slime |
Cryptococcus macerans |
Cryptococcus macerans is a basidiomycete yeast |
| 2512037 |
grape phylloxera |
Daktulosphaira vitifoliae |
Galls |
| 5359234 |
wine grape |
Vitis vinifera |
Grapes on a vine - close-up view of the results of pruning and trellising. |
| 1234034 |
black rot |
Guignardia bidwellii |
|
| 1455193 |
grape mealybug |
Pseudococcus maritimus |
Large colony |
| 5445228 |
western grapeleaf skeletonizer |
Harrisina metallica |
Cocoon with prepupa |
| 5445227 |
western grapeleaf skeletonizer |
Harrisina metallica |
late stage larva |
| 5445226 |
western grapeleaf skeletonizer |
Harrisina metallica |
late stage larva |
| 5401677 |
grape erineum mite |
Colomerus vitis |
|
| 5401678 |
grape erineum mite |
Colomerus vitis |
|
| 5401679 |
grape erineum mite |
Colomerus vitis |
|
| 5401680 |
grape erineum mite |
Colomerus vitis |
|
| 5401681 |
grape erineum mite |
Colomerus vitis |
|
| 5401682 |
grape erineum mite |
Colomerus vitis |
|
| 5401675 |
grape erineum mite |
Colomerus vitis |
|
| 5401676 |
grape erineum mite |
Colomerus vitis |
|
| 2912079 |
grape root borer |
Vitacea polistiformis |
and damage |
| 0176030 |
black rot |
Guignardia bidwellii |
Symptoms on grapevine bunches: mummification of infected berries. |
| 1435210 |
grape root borer |
Vitacea polistiformis |
|
| 1234062 |
black rot |
Guignardia bidwellii |
|
| 1234222 |
downy mildew |
Plasmopara viticola |
|
| 1235039 |
grape anthracnose |
Elsinoe ampelina |
|
| 1235068 |
Japanese beetle |
Popillia japonica |
|
| 1235040 |
grape anthracnose |
Elsinoe ampelina |
|
| 1235067 |
Japanese beetle |
Popillia japonica |
|
| 1436097 |
black rot |
Guignardia bidwellii |
on stem |
| 0454063 |
Grapevine phylloxera, vine louse |
Phylloxera vitifoliae |
Severe symptoms of the gallicolae form of Viteus vitifoliae on grapevine, showing extensive leaf galls. |
| 0176031 |
black rot |
Guignardia bidwellii |
Detail of grapevine berries infected by Guignardia bidwellii: browning, bluing and desiccation of berries; presence of numerous black dots (pycnidia or young perithecia). |
| 0176003 |
Tomato Black Ring Virus |
Nepovirus TBRV |
Symptoms of tomato black ring nepovirus on grapevine. |
| 5436043 |
grape berry moth |
Lobesia botrana |
found on grape plant |
| 1436094 |
bitter rot |
Greeneria uvicola |
|
| 0177091 |
Ground pearls, margarodes |
Margarodes spp. |
Damage on grapevine caused by Margarodes. |
| 1316002 |
glassy-winged sharpshooter |
Homalodisca vitripennis |
|
| 1234216 |
black rot |
Guignardia bidwellii |
|
| 1326020 |
apple flea beetle |
Altica foliaceae |
|
| 5435602 |
powdery mildew |
Erysiphe necator |
|
| 0454062 |
grapevine flavescence dorée phytoplasma |
Phytoplasma N/A |
Symptoms of late infection of grape by grapevine flavescence dorée phytoplasma, showing brown, shrivelled fruits. |
| 0177090 |
Ground pearls, margarodes |
Margarodes spp. |
Damage on grapevine caused by Margarodes. |
| 1436095 |
black rot |
Guignardia bidwellii |
on fruit |
| 0176037 |
Arabis Mosaic Virus |
Nepovirus ArMV |
Grapevines with panachure due to arabis mosaic nepovirus, cv. Tamiioasca romineasca. |
| 0176028 |
black rot |
Guignardia bidwellii |
Symptomson a grapevine leaf: necrotic circular lesions scattered over lamina. |
| 0162043 |
bacterial leaf scorch |
Xylella fastidiosa |
Pierce's disease of grapevine. Symptoms in cultivar Chardonnay (under moisture stress). |
| 1234220 |
black rot |
Guignardia bidwellii |
|
| 1436096 |
black rot |
Guignardia bidwellii |
on leaf |
| 1455199 |
western grapeleaf skeletonizer |
Harrisina metallica |
|
| 1322074 |
grape |
Vitis spp. |
Sweet, juicy grapes, picked at the peak of ripeness, are one of nature's best-tasting treats. In vineyards, greenhouses, and laboratories, ARS scientists seek to bring even better grapes to your shopping cart tomorrow. The ARS laboratory that developed America's most popular red seedless grape, Flame Seedless, has also offered nurseries and breeders a delicious new black seedless grape. Called Black Emerald, the newcomer is a sweet grape with berries about the size of a dime. The flesh is translucent, firm, and almost crisp. Also watch the supermarket for Autumn Seedless, a light-green grape that became available to nurseries and growers in 1984. It is ready for harvest about 2 weeks before Thompson Seedless. Of course, all grapes need to be properly handled. ARS studies of packaging have shown that boxes with a shrink-wrap covering offer the best insurance against loss to disease, weight loss, and shatter (grapes' tendency to drop off the stem). Plastic dome-lid boxes with vent holes are also protective. Net bags, for years considered the preferred packaging, proved the least safeguard of all. From the East Coast to the vineyards of the Far West, grapes are a growing success story. And, since two ARS gene banks, in Geneva, New York, and Davis, California, are living treasure troves of grape varieties, we expect more juicy developments ahead. |
| 1235066 |
Japanese beetle |
Popillia japonica |
|
| 1436099 |
leaf blight (Isariopsis leaf spot) |
Mycosphaerella personata |
|
| 1234033 |
black rot |
Guignardia bidwellii |
lesion |
| 1321073 |
grape |
Vitis spp. |
At the Plant Genetic Resources Conservation Unit in Geneva, New York, horticulturist Philip Forsline examines hybrid grapes developed in a USDA breeding program. |
| 0660088 |
Japanese beetle |
Popillia japonica |
damage to grapevine. |
| 0176004 |
Tomato Black Ring Virus |
Nepovirus TBRV |
Symptoms of tomato black ring nepovirus on grapevine. |
| 5007054 |
muscadine |
Vitis rotundifolia |
|
| 0162080 |
Peach Rosette Mosaic Virus |
Nepovirus PRMV |
on American grape (Vitis labrusca cv. Concord) |
| 0176038 |
Arabis Mosaic Virus |
Nepovirus ArMV |
Grapevines with "Reisigkrankheit" due to arabis mosaic nepovirus, cv. Feteasca regale. |
| 5407856 |
2,4-D |
|
Foliar distortion due to growth regulator herbide injury |
| 5407859 |
crown gall |
Rhizobium vitis |
Crown gall on grape vine |
| 5407861 |
downy mildew |
Plasmopara viticola |
Downy fungal growth on the underside of grape leaves infected with Plasmopara viticoloa |
| 0176032 |
black rot |
Guignardia bidwellii |
Damage on grapevine shoots: long brown-bordered cankers, more or less sunken, generally carrying fruiting bodies. |
| 5407865 |
powdery mildew |
Erysiphe necator |
White powdery fungal growth covering the upper side of grape leaves infected with Uncinula necator (powdery mildew) |
| 5407860 |
downy mildew |
Plasmopara viticola |
Foliar spotting on grape leaf due to downy mildew |
| 5407863 |
bacterial leaf scorch |
Xylella fastidiosa |
Brown, irregular "islands" of necrosis on young grape vines infected with Xylella fastidiosa (Pierce's disease) |
| 5426947 |
downy mildew |
Plasmopara viticola |
Sporangia of downy mildew on the lower surface of grape |
| 5408852 |
rust |
Phakopsora ampelopsidis |
Sign and symptom on both sides of leaves |
| 5408844 |
powdery mildew |
Erysiphe necator |
|
| 5403517 |
powdery mildew |
Erysiphe necator |
Powdery mildew of grape on leaf and fruit |
| 5356699 |
2,4-D |
|
2,4-D damage to a grapevine. |
| 1455041 |
leaf blotch miner moths |
Phyllocnistis spp. |
|
| 5393174 |
powdery mildew |
Erysiphe necator |
Hyphae and conidia of powdery mildew on grape leaf |
| 5192012 |
muscadine |
Vitis rotundifolia |
large vine and leaves |
| 5192013 |
muscadine |
Vitis rotundifolia |
|
| 5192014 |
muscadine |
Vitis rotundifolia |
|
| 5192015 |
muscadine |
Vitis rotundifolia |
|
| 5192016 |
muscadine |
Vitis rotundifolia |
|
| 5192017 |
muscadine |
Vitis rotundifolia |
|
| 5192018 |
muscadine |
Vitis rotundifolia |
vine, leaves, and fruit |
| 5192019 |
muscadine |
Vitis rotundifolia |
vine, leaves, and fruit |
| 5336001 |
hail |
|
|
| 1495104 |
Phomopsis cane and leaf spot |
Phomopsis viticola |
Phomopsis viticota on grape; lesions cluster stems |
| 1386015 |
apple flea beetle |
Altica foliaceae |
Found on grape vine; 3 mm long |
| 5382591 |
glassy-winged sharpshooter |
Homalodisca vitripennis |
|
| 2912078 |
grape root borer |
Vitacea polistiformis |
Female on left, male on right |
| 5381093 |
Japanese beetle |
Popillia japonica |
|
| 5379952 |
grape leaffolder |
Desmia funeralis |
taken while blacklighting at a pond |
| 1263034 |
red headed sharpshooter |
Xyphon fulgida |
Red-headed sharpshooter, vector of grapevine Pierce's disease (Xylella fastidiosa). |
| 1263033 |
blue-green sharpshooter |
Graphocephala atropunctata |
Blue-green sharpshooter, vector of grapevine Pierce's disease (Xylella fastidiosa). Adult (female) on grapevine. |
| 0660054 |
bacterial leaf scorch |
Xylella fastidiosa |
Yellowing and desiccation of grapevine leaves, and wilting of bunches, due to Xylella fastidiosa in the Napa Valley, California (US) |
| 0660055 |
bacterial leaf scorch |
Xylella fastidiosa |
Uneven ripening of grapevine shoots, a very characteristic symptom of Pierce's disease, due to Xylella fastidiosa |
| 5362766 |
wine grape |
Vitis vinifera |
Fruit-borne wine grape vines in a vineyard. |
| 5280032 |
seagrape |
Coccoloba uvifera |
|
| 5280033 |
seagrape |
Coccoloba uvifera |
|
| 5356892 |
pesticides |
|
Container used for preparing Bordeaux mixture for application to pear trees. |
| 5356766 |
Grapevine Corky Bark-associated Virus |
Closterovirus GCBaV |
Symptoms of Corky Bark Virus on the lower trunk of a grapevine. |
| 5356767 |
Grapevine Corky Bark-associated Virus |
Closterovirus GCBaV |
Grapevine showing symptoms of Corky Bark Virus -- note uneven development of stem. |
| 5357022 |
Grapevine Fanleaf Virus |
Nepovirus GFLV |
Symptoms of Grape Fan Leaf Virus. |
| 5360760 |
grape mealybug |
Pseudococcus maritimus |
Nymph of the grape mealybug (Pseudococcus maritimus). |
| 5360759 |
grape mealybug |
Pseudococcus maritimus |
Dense infestation of grrape mealybug (Pseudococcus maritimus) on a bunch of grapes. |
| 5360758 |
western grape leafhopper |
Erythroneura elegantula |
Damage to grape leaves caused by leafhoppers. |
| 5360757 |
western grape leafhopper |
Erythroneura elegantula |
Damage to grape leaves caused by leafhoppers. |
| 5360756 |
western grape leafhopper |
Erythroneura elegantula |
Nymphs of the western grape leafhopper (Erythroneura elegantula) on a grape leaf. |
| 5360755 |
grape mealybug |
Pseudococcus maritimus |
Infestation of grape mealybug (Pseudococcus maritimus) on bunches of grapes. |
| 5366458 |
chemicals |
|
Damage to grape leaves from use of a phenoxy herbicide. |
| 5366531 |
wine grape |
Vitis vinifera |
Close-up view of the fruits of the "Steuben" grape. |
| 5356823 |
chemicals |
|
Damage to a young grape vine due to 2,2-D. |
| 5356769 |
downy mildew |
Plasmopara viticola |
Grapevines showing defoliation from downy mildew (Plasmopara viticola) and straw placed over the stems to protect them from sunburn. |
| 5356768 |
crown gall |
Rhizobium radiobacter |
Stem of a grapevine showing symptoms of crown gall (Agrobacterium tumefaciens). |
| 5356765 |
wine grape |
Vitis vinifera |
Scenic view of a vineyard in Bolivia during harvest. |
| 5356764 |
wine grape |
Vitis vinifera |
Still for producing brandy from grapes in Bolivia. |
| 5356763 |
wine grape |
Vitis vinifera |
Grape fruits spread out in the sun in Bolivia. |
| 5356703 |
Grapevine Vein Yellows and Leaf Roll |
|
Leaf Roll Virus in a grape leaf, and a beetle of unknown species. Note coloration of the leaf veins. |
| 5356701 |
aphids |
|
Aphids feeding on the growing tip of a grape vine in Mexico. |
| 5356700 |
pickle and melonworms |
Diaphania spp. |
Small caterpillars and damage created by feeding on the underside of a grape leaf. |
| 5356698 |
soil & water |
|
Salt damage to a grapevine. |
| 5356697 |
nutrient deficiency |
|
Grape leaves exhibiting symptoms of a nutrient imbalance. |
| 5356696 |
wine grape |
Vitis vinifera |
Beautiful bunches of purple wine grapes. |
| 5356661 |
powdery mildew |
Erysiphe necator |
Symptoms of grape powdery mildew (Uncinula necator) on fruit and leaves. |
| 5357104 |
wine grape |
Vitis vinifera |
Close-up view of the application system in a machine used to apply pesticides to grape vines. |
| 5357103 |
wine grape |
Vitis vinifera |
Machine used in applying pesticides to grape vines. |
| 5357023 |
Grapevine Vein Yellows and Leaf Roll |
|
Grape leaves in Bolivia exhibiting symptoms of Grape Leaf Roll Virus. |
| 5367090 |
wine grape |
Vitis vinifera |
Ripening purple grapes on the vine. |
| 5365643 |
wine grape |
Vitis vinifera |
Ripening purple grapes on the vine. |
| 5365642 |
wine grape |
Vitis vinifera |
Ripening purple grapes on the vine. |
| 5365641 |
wine grape |
Vitis vinifera |
Grape vine with ripening purple fruit. |
| 5362765 |
wine grape |
Vitis vinifera |
Grape plants in fruit behind mesh. |
| 5360236 |
wine grape |
Vitis vinifera |
Ripening grapes in a vineyard near Montevideo, Uruguay. |
| 5360350 |
wine grape |
Vitis vinifera |
Close view of trellised and pruned grape vines in winter. |
| 5360349 |
wine grape |
Vitis vinifera |
Trellised grapevines in winter, Colorado. |
| 5359236 |
wine grape |
Vitis vinifera |
Table grapes on the vine. |
| 5359235 |
wine grape |
Vitis vinifera |
Foliage of table grapes. |
| 5359233 |
wine grape |
Vitis vinifera |
Close-up view of grapes hanging on the vine. |
| 5359232 |
wine grape |
Vitis vinifera |
Grapes on a trellised vine. |
| 5359231 |
wine grape |
Vitis vinifera |
Close-up view of grape leaves. |
| 5359230 |
wine grape |
Vitis vinifera |
Close-up view of grape leaves. |
| 5359229 |
wine grape |
Vitis vinifera |
Close-up view of a trellised grape vine in Colorado. |
| 5359228 |
wine grape |
Vitis vinifera |
Close view of a grape vine on a trellis. |
| 5359227 |
wine grape |
Vitis vinifera |
Grape vineyard in Colorado. |
| 5359226 |
wine grape |
Vitis vinifera |
Wind machine in a vineyard, Colorado. |
| 5359662 |
wine grape |
Vitis vinifera |
Grapevines setting fruit. |
| 1495098 |
gray mold |
Botrytis cinerea |
Botrytis on grape |
| 1556207 |
grape |
Vitis spp. |
|
| 1495105 |
Phomopsis cane and leaf spot |
Phomopsis viticola |
Phomopsis viticola on grape; foliar lesions |
| 1495106 |
Phomopsis cane and leaf spot |
Phomopsis viticola |
Phomopsis viticola; cane blight on grape |
| 1495107 |
Phomopsis cane and leaf spot |
Phomopsis viticola |
Phomopsis viticola on grape; initial infections |
| 1495108 |
Phomopsis cane and leaf spot |
Phomopsis viticola |
Phomopsis viticola on grapes; elliptcal lesions at basal internodes |
| 1495099 |
gray mold |
Botrytis cinerea |
Botrytis |
| 1495100 |
gray mold |
Botrytis cinerea |
Botrytis on grape; early season sour rot |
| 1495101 |
gray mold |
Botrytis cinerea |
Botrytis on grape |
| 1495102 |
Phomopsis cane and leaf spot |
Phomopsis viticola |
Phomopsis viticota on grape; dry stem scars |
| 1495103 |
Phomopsis cane and leaf spot |
Phomopsis viticola |
Phomopsis viticota on grape; infected ripe fruit develop a light brown color |
| 1495023 |
muscadine |
Vitis rotundifolia |
Muscadine |
| 1495039 |
black rot |
Guignardia bidwellii |
Bitter rot on grape |
| 1495040 |
black rot |
Guignardia bidwellii |
Black rot |
| 1495041 |
black rot |
Guignardia bidwellii |
Black rot on grape |
| 1495042 |
grape |
Vitis spp. |
grape |
| 1495043 |
black rot |
Guignardia bidwellii |
Guignartiu bidwellii; Black rot |
| 1495045 |
black rot |
Guignardia bidwellii |
Black Rot |
| 1495048 |
black rot |
Guignardia bidwellii |
Black rot |
| 1495053 |
black rot |
Guignardia bidwellii |
black rot of grape |
| 1495056 |
black rot |
Guignardia bidwellii |
Guignardia bidwellii; black rot |
| 1495065 |
grape |
Vitis spp. |
grape |
| 1495081 |
downy mildew |
Plasmopara viticola |
downy mildew |
| 1495084 |
downy mildew |
Plasmopara viticola |
downy mildew; later summer and fall infections |
| 1495087 |
downy mildew |
Plasmopara viticola |
Plasmopara viticola; downy mildew |
| 0758201 |
grape |
Vitis spp. |
Color infrared aerial photo of a vineyard depicting several disease centers and the effects of soils of different water holding capacities on vine health. |
| 0758202 |
grape |
Vitis spp. |
Color infrared aerial photo of a vineyard showing several centers of disease activity and the effects of soils of varying waterholding capacities on vineyard health |
| 0758203 |
grape |
Vitis spp. |
Color aerial photo of a vineyard showing location of a disease center. |
| 0758204 |
grape |
Vitis spp. |
Color infrared aerial photo of a vineyard showing location of a disease center. |
| 1323071 |
muscadine |
Vitis rotundifolia |
Certain extracts from muscadine grapes suppress breast cancer cell growth. |
| 1235145 |
bloof-vein moth |
Timandra griseata |
|
| 1235043 |
bitter rot |
Greeneria uvicola |
|
| 1235044 |
bitter rot |
Greeneria uvicola |
|
| 5026067 |
grape erineum mite |
Colomerus vitis |
|
| 5026068 |
grape erineum mite |
Colomerus vitis |
|
| 1318064 |
sand grape |
Vitis rupestris |
Rock grapes rootstock is important to the U.S. grape industry, since it is resistant to one of the world's most destructive grape pests-phylloxera. |
| 1318065 |
sand grape |
Vitis rupestris |
Botanist Diane Pavek (center, foreground) examines rock grapes growing at a proposed conservation site within. |
| 5083002 |
grape phylloxera |
Daktulosphaira vitifoliae |
old galls in grape leaves. Photo taken October 11, 2006 along Erie Canal, New York |
| 5020063 |
grapevine epimenis |
Psychomorpha epimenis |
|
