This is a serious problem for the cultivation of ridge gourd. It is a viral disease. The symptom of this disease appears as yellow spots on the young leaves of the plants. Due to its high outbreak, the leaves of plants become small and deformed. This disease spreads through white flies. Both the nymph and the adult of this insect suck the sap of the plant.
Control: To control it, apply Neemgold Neem oil at the rate of 1000 ml/acre or Blue sticky trap 10 per acre. or spray Bave Curb (Beauveria bassiana 5% WP) at the rate of 500 gm/acre mixed with 200 litres of water.
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