potato diseases - purdue university college of agriculture · potato diseases. usda sanitary...
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Potato Diseases
USDA Sanitary Phytosanitary ProjectHamed Osmankhail, Kabul University Dr. Rick Foster, Purdue University
Zakria Faizi, Dr. Tom Creswell, Purdue University
Habib Rahman, MAIL PPQD Dr. Dan Egel, Purdue University
G Holmes
S Jensen
Late BlightFungus-like organism: Phytophthora infestans Dari
Early BlightFungus: Alternaria solaniDari
Rhizoctonia canker and Black ScurfFungus: Rhizoctonia solaniDari
G Holmes
P Bachi
Erwinia soft rot of tubers and Black leg of stemsBacteria: Erw inia spp.Dari
Common ScabCausal organism: Streptomyces scabiesDari
Tomato Spotted WiltViruses: Tomato Spotted Wilt TospovirusDari
G Holmes
Virus diseasesViruses: Alfalfa Mosaic Virus AlfamovirusDari
Virus diseasesViruses: Potato Virus Y PotyvirusDari
Bruce Watt
Root knot nematodesNematode: Meloidogyne spp.Dari
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