Identification symptoms
Spots on leaf
Infected stem and earhead
Severely infected leaf
Anthracnose is one of the important disease of Sorghum causes following symptoms
1. Small red coloured spots on leaf.
2. Whitish centre encircled by red, purple or brown margin.
3. Numerous small black dots are seen on the white surface of the lesions which are the fruiting bodies (acervuli) of the fungus, Many lesions coalesce and kill large leaf portions.
4. In midrib region, elongate elliptical, red or purple regions with black acervuli are formed
5. Development of circular cankers on Stalk and inflorescence
6. Infected stem when split open shows discoloration, which may be continuous over a large area or more generally discontinuous giving the stem a marbled appearance.