Currently, rapeseed blossoms and seeds are seeded. At this time, if the weather is warm and humid, the leaves can easily become infected with powdery mildew. After the leaves are covered with white powder, they lose their chlorogenic properties, fall off prematurely, and the rapeseed is not full. The output has dropped significantly. Therefore, we must pay attention to control powdery mildew after flowering and seeding rape to protect the leaves. Specific control methods: After flowering and seeding rape, pay attention to the inspection of rape leaf, found that there is a white powder on the leaves, the leaf color is chlorotic chlorosis, it will spray 2 to 3 times 800 times 50% of the three An aqueous solution of oxazolone wettable powder, or an aqueous solution of 1000 times 80% carbendazim wettable powder, or 1000 times 50% aqueous solution of methylcyclazole, or 600 times 20% aqueous solution of copper thiazolyl, is sprayed every 10 to 15 days. Spray all the leaves evenly to start dropping drops of water. Copper Panel Security Door,Copper Security Doors,Metal Security Gate,Metal Security Gate Door Zhejiang Tilanco Industry&Trade Group Co., Ltd , https://www.tilancogroup.com