The presence of black or brown spots on the leaves of cabbage can be a sign of Jharka / mildew disease. This disease causes heavy damage to the cabbage crop.

It is a rapidly spreading disease. Fullstop for its control, 30g. Or Sofia, 35-40 ml. Spray it by mixing it per 15 liters of water. After 3-4 days, 1 tablet of booster and punch, 10 gm per 15 liters of water. Mix and spray.