Pest
Sweetpotato whitefly
Bemisia tabaci species complexSweetpotato whitefly, Bemisia tabaci, is a small sap-feeding pest complex that attacks vegetables, field crops, ornamentals and weeds throughout warm regions of the United…
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Plant problem library
Detailed profiles of common plant diseases, pests, nutrient deficiencies and environmental problems.
Disease
Rhizomania of Sugar Beet
Beet necrotic yellow vein virus (BNYVV)Rhizomania is a serious soilborne viral disease caused by beet necrotic yellow vein virus (BNYVV), especially damaging to sugar beet. Infected plants may remain…
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Disease
Beet mosaic
Potyvirus betaceumBeet mosaic is a viral disease caused by Beet mosaic virus, now classified as Potyvirus betaceum. It mainly affects sugar beet, garden beet and…
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Disease
Bean yellow mosaic
Bean yellow mosaic virusBean yellow mosaic is a viral disease caused by Bean yellow mosaic virus (BYMV), most often recognized by sharply contrasting yellow and green mottling…
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Disease
Bean common mosaic
Bean common mosaic virus (BCMV; Potyvirus phaseovulgaris)Bean common mosaic is a virus disease of beans that produces light- and dark-green mosaic patterns, leaf puckering, curling, distortion and plant stunting. It…
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Pest
Potato/tomato psyllid
Bactericera cockerelliThe potato/tomato psyllid, Bactericera cockerelli, is a tiny, mobile sap-feeding insect that attacks potatoes, tomatoes, peppers, eggplants and related plants in the United States.…
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Pest
Silver Y moth
Autographa gammaThe silver Y moth, Autographa gamma, is a migratory, highly polyphagous noctuid whose caterpillars chew vegetable, field-crop and ornamental foliage. Heavy infestations can skeletonize…
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Disease
Southern blight
Athelia rolfsiiSouthern blight, caused by the soilborne fungus Athelia rolfsii, can rapidly kill tomatoes, peppers, beans, peanuts, onions, ornamentals and many other plants during hot,…
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Disease
Black mold
Aspergillus nigerBlack mold caused by Aspergillus niger is primarily a wound- and stress-associated disease of stored bulbs, fruits, grains, and some field crops. It produces…
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Disease
Aspergillus ear rot and aflatoxin contamination
Aspergillus flavusAspergillus flavus is a soil- and residue-associated fungus that can colonize developing corn kernels, peanuts, cottonseed and tree nuts, particularly when crops experience heat,…
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Disease
Ascochyta leaf and pod blight of pea
Ascochyta pisi Lib.Ascochyta pisi causes a fungal leaf and pod spot disease of garden and field pea in the United States. Symptoms include tan to brown,…
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Disease
Armillaria Root Rot (Honey Fungus)
Armillaria melleaArmillaria root rot is a persistent soilborne fungal disease caused here by Armillaria mellea, commonly called honey fungus or oak root fungus. It attacks…
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