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Image Subject Name Scientific Name Description
5444716 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on common bean foliage, note yellowing
5444717 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on common bean foliage, note yellowing
5444718 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on common bean foliage, note yellowing
5444722 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on upper surface of common bean leaflet, note yellow area with dark tan older lesions
5444723 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on upper surface of common bean leaflet, note yellow area with dark tan older lesions
5444724 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on upper surface of common bean leaflet, note circular yellow spots
5444725 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on upper surface of common bean leaflet, note circular yellow spots
5444726 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on upper surface of common bean leaflet, note circular yellow spots
5444727 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on upper surface of common bean leaflet, note circular yellow spots
5444728 halo blight Pseudomonas savastanoi pv. phaseolicola halo blight symptoms on upper surface of common bean leaflet, note circular yellow spots
5437607 oak anthracnose Apiognomonia errabunda
5411466 Common bacterial blight of beans, fuscous blight Xanthomonas axonopodis pv. phaseoli Angular necrotic lesions of common blight with characteristic yellow border.
5411472 downy mildew Pseudoperonospora cubensis Cucumber leaves showing various stages of downy mildew lesion development.
5411473 downy mildew Pseudoperonospora cubensis Chlorotic spotting of foliage during early stages of downy mildew development.
5411476 angular leaf spot of strawberry Xanthomonas fragariae Translucency of lesions evident when viewed with transmitted light.  
1563044 downy mildew Pseudoperonospora cubensis Downy mildew.  Leaf spots are angular, yellow/orange. 
1563045 downy mildew Pseudoperonospora cubensis Downy mildew.  Leaf spots are angular, yellow/orange. 
1563046 downy mildew Pseudoperonospora cubensis Close up of downy mildew.  Leaf spots are angular, yellow/orange. 
5358215 genetic abnormalities Sugar beet chimera.
5389815 downy mildew Peronospora manshurica Leaf spots on upper leaf surface
5359763 Cercospora fungi Cercospora spp. Symptoms of Narrow Leaf Spot (Cercospora oryzae) on a rice leaf.
5357068 Papaya Mosaic Virus Potexvirus PapMV Papaya leaf displaying symptoms of infection with Papaya Mosaic Virus.
5356770 Apple Mosaic Virus Ilarvirus ApMV Young apple tree showing symptoms of severe infection with Apple Mosaic Virus.
5356939 bacterial blight Pseudomonas syringae pv. mori Symptoms of bacterial blight (Pseudomonas mori) on a mulberry leaf in Japan, 1970.
5359676 Tobacco Mosaic Virus Tobamovirus TMV Tobacco plant showing symptoms of infection with Tobacco Mosaic Virus.
5356985 Helminthosporium leaf spot Helminthosporium spp. Rice leaves showing signs and symptoms of infection with Brown Spot (Helminthosporium oryzae).
5357057 citrus blight disease Citrus leaf showing symptoms of infection with bacterial blight.
5362922 bacterial spot Xanthomonas vesicatoria Leaf of a pepper plant showing signs and symptoms of bacterial leaf spot (Xanthomonas vesicatoria).
5362918 unknown virus Pepper plants showing symptoms of infection with an unknown virus.
5359682 Tomato Spotted Wilt Virus Tospovirus TSWV Leaves of Egyptian starcluster (Pentas lanceolata "Starburst") showing symptoms of infection with Tomato Spotted Wilt Virus.
5357110 unknown virus African violet plant (Saintpaulia sp.) with leaves showing symptoms of viral infection.
5362982 rust Puccinia aristidae Leaf of a beet plant showing symptoms of infection with spinach red rust (Puccinia aristidae).
5360715 Potato Leaf Roll Virus Polerovirus PLRV Potato plant displaying symptoms of Potato Leaf Roll Virus (vectored by aphids), next to a healthy plant.
5356838 late blight Phytophthora infestans Potato leaf showing signs of infection with late blight (Phytophthora infestans).
5356831 edema Potato leaf showing symptoms of edema.
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.).
5367235 bacterial leaf spot Pseudomonas syringae Symptoms of bacterial blight (Pseudomonas syringae) on leaves of a lilac.
5366795 Marssonina blight of poplar Marssonina populi Marssonina blight (Marssonina populi) on leaves of an aspen tree.
5366788 ink spot leaf blight Ciborinia whetzelii Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf.
5366785 ink spot leaf blight Ciborinia whetzelii Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf.
5366763 unknown virus Leaf of green ash (Fraxinus pennsylvanica) showing symptoms of either Tomato Ringspot Virus or Tobacco Mosaic Virus.
5366443 Stigmina fungus Wilsonomyces carpophilus Symptoms of shothole fungus (Wilsonomyces carpophilus) on a chokecherry leaf.
5362979 rust Puccinia aristidae Lambsquarters (Chenopodium album) showing symptoms of spinach red rust (Puccinia aristidae).
5366657 High Plains Virus Uncharacterised virus HPV Corn leaves showing symptoms of High Plains Virus disease of sweet corn.
5356761 Penicillium fungi Penicillium spp. Corn seedling displaying symptoms of seedling blight, caused by Penicillium.
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.
5361258 Goss' bacterial wilt Clavibacter michiganensis ssp. nebraskensis Lesions on corn leaf showing symptoms of Goss's wilt (Clavibacter michiganensis subsp. nebraskensis).
5362502 early blight Alternaria solani Symptoms of early blight (Alternaria solani) on a volunteer potato plant growing in field corn.
5363745 High Plains Virus Uncharacterised virus HPV Stunted corn plant showing chlorotic symptoms of High Plains Virus.
5359550 High Plains Virus Uncharacterised virus HPV Leaves of sweet corn exhibiting chlorotic symptoms typical of High Plains Virus.
5359548 High Plains Virus Uncharacterised virus HPV Leaves of sweet corn exhibiting typical chlorotic symptoms of High Plains Virus.
5359549 High Plains Virus Uncharacterised virus HPV Leaves of sweet corn exhibiting typical chlorotic symptoms of High Plains Virus.
5359547 High Plains Virus Uncharacterised virus HPV Leaves of sweet corn exhibiting symptoms of High Plains Virus.
5361310 dry bean rust Uromyces appendiculatus Bean leaf showing symptoms of rust (Uromyces appendiculatus) in variety trials conducted by Colorado State University.
5359873 Bean Common Mosaic Virus Potyvirus BCMV Dry bean leaf showing symptoms of Bean Common Mosaic Virus.
5359871 Bean Common Mosaic Virus Potyvirus BCMV Dry bean leaves showing symptoms of Bean Common Mosaic Virus.
5364342 unknown virus Symptoms of an unknown presumptive viral disease of dry bean.
5364340 unknown virus Symptoms of an unknown presumptive viral disease of dry bean.
5364339 unknown virus Symptoms of an unknown presumptive viral disease of dry bean.
5364338 unknown virus Symptoms of an unknown presumptive viral disease of dry bean.
5364031 nutrient deficiency Bean leaves showing chlorosis due to a deficiency of iron.
5357177 dry bean rust Uromyces appendiculatus Close-up view of the pycnium of bean rust (Uromyces appendiculatus).
5357176 dry bean rust Uromyces appendiculatus Close-up view of the pycnium of bean rust (Uromyces appendiculatus).

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