Systemic infection 1 week old - Claflin, Larry (My University, 1979)
A relative recent (about 1 week) systemic infection.
Host/Plant: Corn, sorghum, and numerous grasses. (Zea mays)
Pest/Path: Sorghum Downy Mildew (Peronosclerospora sorghi)
Keywords: Fungal Diseases; Maize; Downy Mildew; Color photographs