Seed become small and shriveled. Dark, irregular, spreading sunken areas occur on the seed.

Appearance of brown, necrotic spots with concentric rings on foliage, which coalesce and form large necrotic areas.

Infected leaves later in the season dry out and drop prematurely.

Use healthy/certified seeds

Destroy crop residues from fields.

Seed treatment with thiram + carbendazium (2:1) @ 3g/kg seed.

Use Mancozeb or copper fungicide at 2.5g/l or carbendazim 1 g/lit.