Various stages of lesion maturity

Zaria, Ahmadu Bello, Nigeria: Various stages of maturity of lesions. Rough leaf spot is appropriately named in that the lesions have the feel of sandpaper due to the fungal fruiting bodies. Occurs in humid climates. Circular lesions are oval leaf spot.Host/Plant: Grain Sorghum, Sweet Sorghum, Johnsongrass (Sorghum spp.)Pest/Path: Rough Leaf Spot (Ascochyta sorghina