| 5359720 |
Apple Mosaic Virus |
Ilarvirus ApMV |
Rose leaf displaying symptoms of infection with Rose Mosaic Virus. |
| 5359763 |
Cercospora fungi |
Cercospora spp. |
Symptoms of Narrow Leaf Spot (Cercospora oryzae) on a rice leaf. |
| 5356742 |
Barley Yellow Dwarf Virus |
Luteovirus BYDV |
Winter wheat plants exhibiting symptoms of Barley Yellow Dwarf Virus. |
| 5356750 |
Stigmina fungus |
Wilsonomyces carpophilus |
Shot hole disease symptoms on a peach fruit caused by Wilsonomyces carpophilus. This disease on peach is distinguished by profuse gumming. |
| 5359731 |
Nectria canker |
Nectria galligena |
An apple tree with a nectria canker infection caused by Nectria galligena in the field. |
| 5359730 |
Nectria canker |
Nectria galligena |
An apple tree with a nectria canker infection caused by Nectria galligena in the field. |
| 5359727 |
bacterial spot |
Xanthomonas spp. |
Carrots with symptoms of a bacterial infection caused by Xanthomonas spp.. |
| 5359723 |
Squash Mosaic Virus |
Comovirus SqMV |
Pumpkin leaves showing symptoms of Squash Mosaic Virus (SqMV) infection. |
| 5357108 |
fairy rings |
|
Lawn showing symptoms of infection with fairy ring fungi. Lens cap provided for scale. |
| 5357068 |
Papaya Mosaic Virus |
Potexvirus PapMV |
Papaya leaf displaying symptoms of infection with Papaya Mosaic Virus. |
| 5357029 |
fairy rings |
|
Lawn showing necrotic areas typical of Type 1 infection with fairy ring fungi. |
| 5359722 |
Cucumber Mosaic Virus |
Cucumovirus CMV |
Celery stalks displaying symptoms and damage from infection with Cucumber Mosaic Virus (CMV). |
| 5359721 |
Cucumber Mosaic Virus |
Cucumovirus CMV |
Cucumber fruits showing symptoms of infection with Cucumber Mosaic Virus (CMV. |
| 5359704 |
Pythium diseases |
Pythium spp. |
Lawn infected with Pythium blight (Pythium sp.) in Pueblo, Colorado, in 1981. |
| 5359703 |
Helminthosporium leaf spot |
Helminthosporium spp. |
Lawn severely affected by infection with Helminthosporium spp., Bipolaris sp., and Exserohilum sp. fungi. |
| 5359686 |
pink snow mold |
Microdochium nivale |
Hiwan Golf Club in Colorado, showing symptoms of infection with pink snow mold in 1980. |
| 5359693 |
Sclerotinia snow mold |
Sclerotinia borealis |
Symptoms of snow scald infection, Sclerotinia (Myriosclerotinia) borealis, at the Breckenridge, Colorado, golf course in 1983. |
| 5359702 |
Ascochyta fungi |
Ascochyta spp. |
Lawn in Fort Collins, Colorado, showing signs of infection with an Ascochyta sp. fungus in 1989. |
| 5359684 |
peach wart |
Uncharacterised agent N/A |
Small peach fruits showing symptoms of infection with Peach Wart Virus. |
| 5356894 |
Peach Mosaic Virus |
Trichovirus PcMV |
Peach fruits displaying symptoms of infection with Peach Mosaic Virus. |
| 5356770 |
Apple Mosaic Virus |
Ilarvirus ApMV |
Young apple tree showing symptoms of severe infection with Apple Mosaic Virus. |
| 5356749 |
root rot |
Phellinus hartigii |
Symptoms of root rot in triticale. |
| 5357124 |
rice orange leaf |
Phytoplasma N/A |
Rice plants displaying symptoms of Rice Orange Leaf (caused by a phytoplasma). |
| 5357119 |
leaf scald |
Monographella albescens |
Rice field showing symptoms of infection with leaf scald, Mongraphella albescens (also known as Microdochium oryzae). A field of healthy plants is on the right. |
| 5357118 |
leaf scald |
Monographella albescens |
Rice plants showing symptoms of infection with leaf scald, Mongraphella albescens (also known as Microdochium oryzae). |
| 5357117 |
leaf scald |
Monographella albescens |
Rice plants showing symptoms of infection with leaf scald, Mongraphella albescens (also known as Microdochium oryzae). |
| 5357070 |
|
|
Papaya plant near death due to infection with Papaya Bunchy Top Virus. |
| 5357067 |
Papaya Mosaic Virus |
Potexvirus PapMV |
Papaya leaves showing symptoms of infection with Papaya Mosaic Virus. |
| 5356987 |
leaf scald |
Monographella albescens |
Rice leaf showing symptoms of infection with leaf scald, Mongraphella albescens (also known as Rhynchosporium oryzae). |
| 5356982 |
sheath rot of rice |
Sarocladium oryzae |
Leaf sheath and seedhead of rice displaying symptoms of sheath rot of rice, Sarocladium oryzae. |
| 5356939 |
bacterial blight |
Pseudomonas syringae pv. mori |
Symptoms of bacterial blight (Pseudomonas mori) on a mulberry leaf in Japan, 1970. |
| 5356694 |
aster yellows phytoplasma |
Candidatus Phytoplasma asteris |
Lettuce plant displaying symptoms of infection with a phytoplasma. |
| 5357036 |
sharp eyespot |
Ceratobasidium cereale |
Lawn showing symptoms of Yellow Patch, caused by infection with Rhizoctonia cerealis. Lens cap provided for scale. |
| 5357035 |
sharp eyespot |
Ceratobasidium cereale |
Lawn showing symptoms of Yellow Patch, caused by infection with Rhizoctonia cerealis. |
| 5357027 |
fairy rings |
|
Fairway of a golf course with dark green areas typical of Type 2 infection with fairy ring fungi. |
| 5356977 |
Rice Stripe Virus |
Tenuivirus RSV |
Rice leaves displaying symptoms of infection with Rice Stripe Virus. |
| 5356976 |
Rice Stripe Virus |
Tenuivirus RSV |
Rice leaves showing symptoms of infection with Rice Stripe Virus. |
| 5359678 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
Unripe tomato fruit showing symptoms of infection with Tomato Spotted Wilt Virus. |
| 5359677 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
Tomato plant in fruit, afflicted with Tomato Spotted Wilt Virus (TSWV). |
| 5359676 |
Tobacco Mosaic Virus |
Tobamovirus TMV |
Tobacco plant showing symptoms of infection with Tobacco Mosaic Virus. |
| 5361014 |
Nectria canker |
Nectria galligena |
Nectria canker (Nectria galligena) on a young apple tree. |
| 5361013 |
Nectria canker |
Nectria galligena |
Nectria canker (Nectria galligena) on a young apple tree. |
| 5356895 |
Stigmina fungus |
Wilsonomyces carpophilus |
Peach fruit displaying symptoms of infection with Shot Hole Disease (Coryneum blight - Wilsonomyces carpophilus). |
| 5356890 |
witches' broom |
|
Jujube tree with witches' brooms, caused by infection with a phytoplasma. |
| 5356889 |
witches' broom |
|
Jujube tree with witches' brooms, caused by infection with a phytoplasma. |
| 5356888 |
witches' broom |
|
Jujube tree with witches' brooms, caused by infection with a phytoplasma. |
| 5356880 |
Thyronectria canker |
Thyronectria austroamericana |
Honey locust tree showing symptoms of infection with Thyronectria canker (Thyronectria austroamericana). |
| 5356822 |
genetic abnormalities |
|
Variegated leaves on peanut plants, symptomatic of genetic variation. |
| 5356805 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
Tomato fruits showing symptoms of Tomato Spotted Wilt Virus (TSWV). |
| 5356804 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
Tomato fruits showing symptoms of Tomato Spotted Wilt Virus (TSWV). |
| 5356776 |
Stigmina fungus |
Wilsonomyces carpophilus |
Peach fruit displaying symptoms of infection with Shot Hole Disease (Coryneum blight - Wilsonomyces carpophilus). |
| 5356774 |
X-disease |
Phytoplasma MLO |
Symptoms of "Droopy Aspen," caused by an unknown phytoplasmic agent. |
| 5356773 |
genetic abnormalities |
|
Twig and foliage of an apple tree showing evidence of genetic abnormalities. |
| 5356730 |
Drechslera leaf spot |
Drechslera spp. |
Turf showing signs of infection with Melting Out fungus. |
| 5356709 |
nutrient deficiency |
|
Cassava leaves showing symptoms of zinc deficiency. |
| 5356707 |
X-disease |
Phytoplasma MLO |
Lettuce plants showing symptoms of infection with a phytoplasma. |
| 5356704 |
Cucumber Mosaic Virus |
Cucumovirus CMV |
Cucumber leaves displaying symptoms of Cucumber Mosaic Virus. |
| 5356695 |
peach leaf curl |
Taphrina deformans |
Young peach tree showing symptoms of peach leaf curl (Tephrina deformans). |
| 5356667 |
unknown virus |
|
Pumpkin leaves showing symptoms of infection with an unknown virus. |
| 5356666 |
Cherry Rasp Leaf Virus |
Nepovirus CRLV |
Peach leaves showing symptoms of infection with Rasp Leaf Virus. |
| 5356665 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
Artichoke seedlings in a greenhouse displaying symptoms of infection with Tomato Spotted Wilt Virus. |
| 5357123 |
Rice yellow dwarf |
|
Potted rice plants displaying symptoms of infection with Rice Yellow Dwarf phytoplasma. |
| 5357122 |
rice white tip nematode |
Aphelenchoides besseyi |
Rice plants showing symptoms of damage caused by summer crimp nematode (Aphelenchoides besseyi). |
| 5357120 |
downy mildew |
Sclerophthora macrospora |
Rice plant in the hand, showing symptoms of infection with downy mildew (Sclerophthora macrospora). |
| 5357088 |
fasciation |
|
Peanut plant showing symptoms of fasciation (an abiotic disease). |
| 5357084 |
Cercospora fungi |
Cercospora spp. |
Peanut plant showing signs of infection with Cercospora Leaf Spot at Grade 1 (1-14%), and with Mycosphaerella sp. |
| 5357045 |
Cercospora fungi |
Cercospora spp. |
Symptoms of Narrow Brown Leaf Spot disease (Cercospora oryzae) on rice. |
| 5356986 |
Helminthosporium leaf spot |
Helminthosporium spp. |
Close-up view of rice leaves showing signs and symptoms of infection with Brown Spot (Helminthosporium oryzae). |
| 5356985 |
Helminthosporium leaf spot |
Helminthosporium spp. |
Rice leaves showing signs and symptoms of infection with Brown Spot (Helminthosporium oryzae). |
| 5356984 |
Helminthosporium leaf spot |
Helminthosporium spp. |
Rice plants showing signs and symptoms of infection with Brown Spot (Helminthosporium oryzae). |
| 5356981 |
gray leaf spot |
Magnaporthe grisea |
Rice leaf showing symptoms of infection with rice blast, Magnaporthe (Pyricularia) grisea. |
| 5356979 |
gray leaf spot |
Magnaporthe grisea |
Rice plant at the neck rot stage symptomatic of infection with rice blast (Pyricularia grisea). |
| 5356978 |
Rice Dwarf Virus |
Phytoreovirus RDV |
Close-up view of a rice leaf displaying symptoms of infection with Rice Dwarf Virus (RDV). |
| 5356952 |
Aspergillus fungi |
Aspergillus spp. |
Peanut plant showing symptoms of infection with collar rot (due to Aspergillus sp.). |
| 5356947 |
Phyllosticta leaf spots |
Phyllosticta spp. |
Symptoms of Phyllosticta leaf spot (Phyllosticta sp.) on the leave of peanut. |
| 5356946 |
Phyllosticta leaf spots |
Phyllosticta spp. |
Symptoms of Phyllosticta leaf spot (Phyllosticta sp.) on the leave of peanut. |
| 5359688 |
snow mold |
Typhula incarnata |
Symptoms of Typhula blight (snow mold) on the golf course at Vail, Colorado, in 1982. |
| 5359689 |
snow mold |
Typhula incarnata |
Symptoms of Typhula blight (snow mold) on the golf course at Vail, Colorado, in 1982. |
| 5356851 |
bacterial streak, black rot, and blight |
Xanthomonas campestris |
Proso millet leaf showing symptoms of infection with bacterial leaf streak (Xanthomonas campestris). |
| 5356790 |
bacterial streak, black rot, and blight |
Xanthomonas campestris |
Carrots showing symptoms of infection with bacterial leaf spot, Xanthomonas campestris pv. carotae (originally described as Xanthomonas carotae). |
| 5357057 |
citrus blight disease |
|
Citrus leaf showing symptoms of infection with bacterial blight. |
| 5359687 |
pink snow mold |
Microdochium nivale |
Symptoms of pink snow mold, Monographella nivalis (also known as Microdochium nivale), in an area missed during spraying of fungicide. |
| 5359683 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
Leaves of Egyptian starcluster (Pentas lanceolata "Starburst") showing symptoms of infection with Tomato Spotted Wilt Virus. |
| 5359682 |
Tomato Spotted Wilt Virus |
Tospovirus TSWV |
Leaves of Egyptian starcluster (Pentas lanceolata "Starburst") showing symptoms of infection with Tomato Spotted Wilt Virus. |
| 5359679 |
Alfalfa Mosaic Virus |
Alfamovirus AMV |
Pepper plants afflicted with Calico Virus. |
| 5356796 |
unknown virus |
|
Pepper transplants showing symptoms of infection with an unknown virus. |
| 5357110 |
unknown virus |
|
African violet plant (Saintpaulia sp.) with leaves showing symptoms of viral infection. |
| 5357039 |
Phytophthora blight |
Phytophthora capsici |
Pepper plants showing symptoms of infection with Phytophthora wilt (Phytophthora capsici). |
| 5356817 |
Verticillium wilt |
Verticillium albo atrum |
Symptoms of verticillium wilt (Verticillium albo atrum) in an alfalfa plant. |
| 5356818 |
Verticillium wilt |
Verticillium albo atrum |
Symptoms of verticillium wilt (Verticillium albo atrum) in an alfalfa field. |
| 5357097 |
Beet Necrotic Yellow Vein Virus |
Benyvirus BNYVV |
Sugar beet sliced open to show vascular discoloration characteristic of Rhizomania, caused by Beet Necrotic Yellow Vein Virus (BNYVV), vectored by the soilborne fungus Polmyxa betae. |
| 5357096 |
Beet Necrotic Yellow Vein Virus |
Benyvirus BNYVV |
Sugar beet showing symptoms of Rhizomania, caused by Beet Necrotic Yellow Vein Virus (BNYVV), vectored by the soilborne fungus Polmyxa betae. |
| 5357092 |
powdery mildew |
Erysiphe betae |
Leaves of sugar beets showing symptoms of powdery mildew (Erysiphe polygoni). |
| 5357091 |
Beet Curly Top Virus |
Hybrigeminivirus BCTV |
Beet plants displaying symptoms of Beet Curly Top Virus (BCTV). |
| 5356850 |
ring rot of potato |
Clavibacter michiganensis ssp. sepedonicus |
Potato tuber cut open to display symptoms of bacterial ring rot (Clavibacter michiganensis subsp. sepedonicus). |
| 5356849 |
potato smut |
Thecaphora solani |
Potato tuber in Bolivia cut open to show symptoms of infection with potato smut (Thecaphora solani). |
| 5357041 |
Potato Mop Top Virus |
Carlavirus PMTV |
Potato leaf showing symptoms of infection with Potato Mop Top Virus. |
| 5356838 |
late blight |
Phytophthora infestans |
Potato leaf showing signs of infection with late blight (Phytophthora infestans). |
| 5356837 |
southern blight |
Sclerotium rolfsii |
Potato plant showing symptoms of stem rot, caused by infection with Sclerotium rolfsii. |
| 5356836 |
bacterial black stalk |
Erwinia spp. |
Potato plant displaying symptoms of blackleg disease, caused by infection with Erwinia sp. |
| 5356831 |
edema |
|
Potato leaf showing symptoms of edema. |
| 5356830 |
edema |
|
Potato leaf showing symptoms of edema. |
| 5356794 |
ring rot of potato |
Clavibacter michiganensis ssp. sepedonicus |
Potato tuber cut open to display symptoms of bacterial ring rot (Clavibacter michiganensis subsp. sepedonicus). |
| 5356779 |
Alternaria black molds / stem cankers |
Alternaria spp. |
Castorbean (Ricinus communis) fruits showing symptoms of Alternaria leaf spot (Alternaria sp.). |
| 5356778 |
Alternaria black molds / stem cankers |
Alternaria spp. |
Castorbean plant (Ricinus communis) leaf showing symptoms of Alternaria leaf spot (Alternaria sp.). |
| 5356777 |
Alternaria black molds / stem cankers |
Alternaria spp. |
Castorbean plant (Ricinus communis) showing symptoms of Alternaria leaf spot (Alternaria sp.). |
| 5356693 |
Potato Spindle Tuber Viroid |
Pospiviroid PSTVd |
Potato tubers showing symptoms of infection with Potato Spindle Tuber Virus. |
| 5356692 |
Potato Spindle Tuber Viroid |
Pospiviroid PSTVd |
Potato tubers showing symptoms of infection with Potato Spindle Tuber Virus. |
| 5357042 |
ring rot of potato |
Clavibacter michiganensis ssp. sepedonicus |
Potato plant infected with bacterial ring rot of potato (Clavibacter michiganensis subsp. sepedonicus). |
| 5356877 |
nutrient deficiency |
|
Maple tree showing symptoms of iron deficiency. |
| 5356876 |
Cytospora cankers |
Cytospora spp. |
Section of cottonwood trunk showing symptoms of Cytospora Canker (Cytospora sp.). |
| 5357037 |
Dutch elm disease |
Ophiostoma ulmi |
Elm tree aflicted with Dutch elm disease (described here as Ceratocystis ulmi), Fort Morgan, Colorado, 1970. |
| 5366644 |
unknown virus |
|
Corn leaf displaying symptoms of Maize Pellucid Ringspot Virus. |
| 5361022 |
pink root of onion |
Phoma terrestris |
Corn rootcrown cut open to show damage and symptoms of red root rot (Phoma terrestris). |
| 5361020 |
pink root of onion |
Phoma terrestris |
Close-up view of corn roots displaying signs and symptoms of red root rot (Phoma terrestris). |
| 5361017 |
pink root of onion |
Phoma terrestris |
Field corn roots displaying symptoms of red root rot (Phoma terrestris). |
| 5361016 |
pink root of onion |
Phoma terrestris |
Corn roots displaying symptoms of red root rot (Phoma terrestris). |
| 5366661 |
High Plains Virus |
Uncharacterised virus HPV |
Corn plants showing severe symptoms of High Plains Virus disease of sweet corn. |
| 5366659 |
High Plains Virus |
Uncharacterised virus HPV |
Corn leaves showing symptoms of High Plains Virus disease of sweet corn. |
| 5366660 |
High Plains Virus |
Uncharacterised virus HPV |
Corn plants showing symptoms of High Plains Virus disease of sweet corn. |
| 5366658 |
High Plains Virus |
Uncharacterised virus HPV |
Corn plants showing symptoms of High Plains Virus disease of sweet corn. |
| 5366657 |
High Plains Virus |
Uncharacterised virus HPV |
Corn leaves showing symptoms of High Plains Virus disease of sweet corn. |
| 5366656 |
High Plains Virus |
Uncharacterised virus HPV |
Corn leaves showing symptoms of High Plains Virus disease of sweet corn. |
| 5366647 |
charcoal rot |
Macrophomina phaseolina |
Charcoal stalk rot of field corn (Macrophomina phaseolina).
|
| 5366646 |
Fusarium wilts, blights, rots and damping-off |
Fusarium spp. |
Fusarium stalk rot and nodal discoloration of field corn. |
| 5366640 |
Pythium diseases |
Pythium spp. |
Corn seedling showing symptoms of seedling blight, caused by Pythium sp. and/or Penicillium sp. |
| 5366639 |
Penicillium fungi |
Penicillium spp. |
Sweet corn seedling showing symptoms of seedling blight, caused by Penicillium. |
| 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. |
| 5356762 |
Penicillium fungi |
Penicillium spp. |
Roots of corn seedlings displaying symptoms of seedling blight, caused by Penicillium. |
| 5356761 |
Penicillium fungi |
Penicillium spp. |
Corn seedling displaying symptoms of seedling blight, caused by Penicillium. |
| 5356760 |
Penicillium fungi |
Penicillium spp. |
Corn seedling displaying symptoms of seedling blight, caused by Penicillium. |
| 5356759 |
Fusarium wilts, blights, rots and damping-off |
Fusarium spp. |
Fusarium on the roots of a corn plant. |
| 5356702 |
Grapevine Fanleaf Virus |
Nepovirus GFLV |
Grape leaf showing symptoms of Grapevine Fan Leaf Virus (GFLV). |
| 5356659 |
High Plains Virus |
Uncharacterised virus HPV |
Corn plants showing chlorosis and stunted growth, symptoms of High Plains Virus. |
| 5356658 |
High Plains Virus |
Uncharacterised virus HPV |
Corn leaves showing chlorotic symptoms of High Plains Virus. |
| 5356657 |
High Plains Virus |
Uncharacterised virus HPV |
Corn leaves showing chlorotic symptoms of High Plains Virus. |
| 5357022 |
Grapevine Fanleaf Virus |
Nepovirus GFLV |
Symptoms of Grape Fan Leaf Virus. |
| 5356863 |
Wheat Streak Mosaic Virus |
Tritimovirus WSMV |
Winter wheat leaf exhibiting symptoms of Wheat Streak Mosaic Virus. |
| 5356862 |
Wheat Streak Mosaic Virus |
Tritimovirus WSMV |
Winter wheat leaves exhibiting symptoms of Wheat Streak Mosaic Virus. |
| 5356861 |
Wheat Streak Mosaic Virus |
Tritimovirus WSMV |
Winter wheat leaf exhibiting symptoms of Wheat Streak Mosaic Virus. |
| 5356860 |
Wheat Streak Mosaic Virus |
Tritimovirus WSMV |
Winter wheat plants exhibiting symptoms of Wheat Streak Mosaic Virus. |
| 5356859 |
Wheat Streak Mosaic Virus |
Tritimovirus WSMV |
Winter wheat plants exhibiting symptoms of Wheat Streak Mosaic Virus. |
| 5356858 |
foot rot |
Pseudocercosporella herpotrichoides |
Sample oat plant showing symptoms of foot rot (Pseudocercosporella herpotrichoides). |
| 5356857 |
foot rot |
Pseudocercosporella herpotrichoides |
Sample wheat plants showing symptoms of foot rot of wheat (Pseudocercosporella herpotrichoides). |
| 5356768 |
crown gall |
Rhizobium radiobacter |
Stem of a grapevine showing symptoms of crown gall (Agrobacterium tumefaciens). |
| 5356753 |
Wheat Streak Mosaic Virus |
Tritimovirus WSMV |
Winter wheat plants exhibiting symptoms of Wheat Streak Mosaic Virus. |
| 5356748 |
take-all root rot |
Gaeumannomyces graminis var. tritici |
Stem of a winter wheat plant displaying symptoms of take-all root disease (originally described as Ophiobolus graminis var. tritici). Note the darkened nodes. |
| 5356746 |
take-all root rot |
Gaeumannomyces graminis var. tritici |
Wheat plants displaying symptoms of take-all root disease (originally described as Ophiobolus graminis var. tritici). |
| 5356744 |
Septoria leaf spot and cankers |
Septoria spp. |
Winter wheat leaf showing symptoms of Septoria leaf spot (Septoria sp.). |
| 5356740 |
Wheat Streak Mosaic Virus |
Tritimovirus WSMV |
Winter wheat plants exhibiting symptoms of Wheat Streak Mosaic Virus. |
| 5356739 |
Barley Yellow Dwarf Virus |
Luteovirus BYDV |
Winter wheat showing symptoms of Barley Yellow Dwarf Virus. |
| 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. |
| 5356697 |
nutrient deficiency |
|
Grape leaves exhibiting symptoms of a nutrient imbalance. |
| 5356661 |
powdery mildew |
Erysiphe necator |
Symptoms of grape powdery mildew (Uncinula necator) on fruit and leaves. |
| 5356660 |
High Plains Virus |
Uncharacterised virus HPV |
Symptoms of High Plains Virus in four leaves of winter wheat. |
| 5357095 |
Barley Yellow Dwarf Virus |
Luteovirus BYDV |
Winter wheat plants exhibiting symptoms of Barley Yellow Dwarf Virus. |
| 5357094 |
Barley Yellow Dwarf Virus |
Luteovirus BYDV |
Winter wheat plants exhibiting symptoms of Barley Yellow Dwarf Virus. |
| 5357093 |
Barley Yellow Dwarf Virus |
Luteovirus BYDV |
Winter wheat plants exhibiting symptoms of Barley Yellow Dwarf Virus. |
| 5178026 |
take-all root rot |
Gaeumannomyces graminis var. avenae |
CSU PERC 1987 |
| 5356936 |
Corticium fungus |
Corticium salmonicolor |
Thread Blight |
