These information sheets are in pdf format and will require the free download of Adobe Acrobat
Fungal diseases
Philippine downy mildew of corn
(Peronosclerospora phillippinensis = syn. P. sacchari)
Brown stripe downy mildew of corn factsheet / diagnostic guide
(Sclerophthora rayssiae var. zeae)
Potato wart
(Synchytrium endobioticum)
Red leaf blotch of soybean
(Phoma glycinicola, formerly Pyrenochaeta glycines )
Bacterial diseases
Southern Wilt, brown rot of potato
(Ralstonia solanacearum, biovar 2, races 3)
Citrus variegated chlorosis
(Xylella fastidiosa)
Xanthomonas oryzae
Bacterial leaf streak of rice
(Xanthomonas oryzae pv. oryzicola)
Bacterial blight of rice
(Xanthomonas oryzae pv. oryzae)
Gumming disease of ryegrass
(Rathayibacter toxicus)
Oregon State University Plant Clinic