Dark and light bands on leaves a symptom of downy mildew - Claflin, Larry (My University, 1979)
Systemic phase of Downy mildew. Symptoms are alternate dark and light bands on leaves. Oospores of p. sorghi are commonly formed in the light bands. Oospores are the survival phase and may persist in nature up to 10 years.
Host/Plant: Corn, cultivated and wild sorghum, Johnson grass and Teosinte. (Zea mays)
Pest/Path: Sorghum Downy Mildew (Peronosclerospora sorghi)
Keywords: Fungal Diseases; Maize; Downy Mildew; Color photographs