Closeup of exhibiting conidia. Appearance is of "down", hence the name, downy mildew. Conidia are very fragile and usually are seen in early morning. Of limited importance in wide spread dissemination of the disease.Host/Plant: Grain sorghum (Sorghum bicolor, species of Euchlaena, Panicum, Pennisetum, and Zea)Pest/Path: Sorghum Downy Mildew (Peronosclerospora sorghi
Downy mildew on leaf of resistant hybrid.Host/Plant: Corn, cultivated and wild sorghum, Johnson gras...
Systemic phase of sorghum downy mildew. In time, oospores will be formed which are the overwinterin...
Systemic phase of sorghum downy mildew. In time, the oospores that have developed in the mesophyll ...
Closeup of exhibiting conidia. Appearance is of "down", hence the name, downy mildew. Conidia are ...
Local lesion phase on a corn plant. Abundant conidia are often produced which resembles "down" on a...
Local lesions of sorghum downy mildew. Initial stages of infection are shown as narrow, elongated l...
Early stage of infection showing local lesions of sorghum downy mildew.Host/Plant: Grain sorghum (So...
Early stage of infection showing local lesions of sorghum downy mildew.Host/Plant: Grain sorghum (So...
Early stage of infection showing local lesions of sorghum downy mildew.Host/Plant: Grain sorghum (So...
Elongated local lesions of sorghum downy mildew on a susceptible accession.Host/Plant: Grain sorghum...
Elongated local lesions of sorghum downy mildew on susceptible germplasm.Host/Plant: Grain sorghum (...
Shredding of leaves during later stages of the systemic phase of sorghum downy mildew.Host/Plant: Gr...
Downy mildew of high incidence and severity on a susceptible hybrid.Host/Plant: Corn, cultivated and...
Poza Rica, Mexico: Small local lesions of sorghum downy mildew on a moderately resistant plant.Host/...
Systemic phase of sorghum downy mildew showing alternating yellow and green stripes. This occurs wh...
Downy mildew on leaf of resistant hybrid.Host/Plant: Corn, cultivated and wild sorghum, Johnson gras...
Systemic phase of sorghum downy mildew. In time, oospores will be formed which are the overwinterin...
Systemic phase of sorghum downy mildew. In time, the oospores that have developed in the mesophyll ...
Closeup of exhibiting conidia. Appearance is of "down", hence the name, downy mildew. Conidia are ...
Local lesion phase on a corn plant. Abundant conidia are often produced which resembles "down" on a...
Local lesions of sorghum downy mildew. Initial stages of infection are shown as narrow, elongated l...
Early stage of infection showing local lesions of sorghum downy mildew.Host/Plant: Grain sorghum (So...
Early stage of infection showing local lesions of sorghum downy mildew.Host/Plant: Grain sorghum (So...
Early stage of infection showing local lesions of sorghum downy mildew.Host/Plant: Grain sorghum (So...
Elongated local lesions of sorghum downy mildew on a susceptible accession.Host/Plant: Grain sorghum...
Elongated local lesions of sorghum downy mildew on susceptible germplasm.Host/Plant: Grain sorghum (...
Shredding of leaves during later stages of the systemic phase of sorghum downy mildew.Host/Plant: Gr...
Downy mildew of high incidence and severity on a susceptible hybrid.Host/Plant: Corn, cultivated and...
Poza Rica, Mexico: Small local lesions of sorghum downy mildew on a moderately resistant plant.Host/...
Systemic phase of sorghum downy mildew showing alternating yellow and green stripes. This occurs wh...
Downy mildew on leaf of resistant hybrid.Host/Plant: Corn, cultivated and wild sorghum, Johnson gras...
Systemic phase of sorghum downy mildew. In time, oospores will be formed which are the overwinterin...
Systemic phase of sorghum downy mildew. In time, the oospores that have developed in the mesophyll ...