After harvesting the crops, the leaves of the plants should be removed in time, and they should be concentrated and burned to reduce the number of insects and the number of wintering larvae. Artificial killing In the early stage of pests, the leaves of the bean plants are picked up, and the larvae in the leaf curls are taken out or concentrated. In the occurrence period of chemical control, it was found that the plants with 190-290 of the bean strain had the risk of curling the leaves, and the prevention and control began every 7-10 days, and the prevention and control was continued twice. The available pesticides are 2.5% chrysanthemum EC 3000 times solution, 10% beta-cypermethrin EC 2500 times solution, 20% pyrethroid 1500 times solution, 48% risper lotion 1000 times solution or 30% acephate emulsion. 1000-1500 times liquid, etc., spray control.
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