Infected seeds have irregularly shaped tan or light brown sunken lesions.

Infected leaves appears as water soaked at first instance. They soon take on a greenish brown to reddish brown appearance.

The infected portion later turns tan brown or black in colour.

Under high rainfall or high humid conditions, a web like mycelial growth of fungus forms on the leaves.

Dark brown sclerotia are formed on leaves and petioles.

The pathogen survives as sclerotia in soil.

Humid and cool (24-32o C) are favourable weather condition.

Avoid dense planting.

Completely cover plant residue by clean ploughing the field soon 
after harvest.

Destroy infected stubble.

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

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