In rice fallows, symptoms appear on 4 weeks old black gram crop as raised white cankers at the base of the stem.

These enlarge gradually and turn as raised brown streaks spreading upwards.

Plants are stunted and leaves dark green, mottled and reduced in size.

Normal leaves on the affected plants drop suddenly and dry.

Flowering and podding is greatly reduced.

Deep ploughing in summer.

Follow crop rotation

Soil amendment with farm yard manure @ 12.5 tonnes/ha is helpful in reducing the incidence of the disease

Destroy the diseased plant debris by burning of burying in the soil.

Seed treatment with T. viride @4g/kg or P. fluorescens @ 10g/ kg of seed or Carbendazim or Thiram 2g/kg of seed.

Spot drenching with Carbendazim 1g/lit or P. fluorescens / T. viride 2.5 kg/ha with 50 kg FYM.