Answer: Cabbage caterpillars are the main pests that injure Chinese cabbage during the period of Chinese cabbage inclusion. The larvae bite on the leaves, which seriously affect the bag-in-knot. It must be controlled in time to protect the leaves. Farmers in the Chinese cabbage during the period of inclusion, pay attention to check the leaves of Chinese cabbage and found that there are cabbage caterpillars on the leaves, we must promptly spray 1000 times 5% aqueous solution of diflubenzuron, or 1000 times 1.14% Avicinus salt solution, etc. Control, evenly spray all the leaves. Since cabbage caterpillars are resistant to drugs and are resistant to insecticides, the insecticide should be sprayed once more during the week after spraying.
Abc Cylinder,Abc Fire Extinguisher Cylinder,Fire Cylinder Abc,Abc Gas Cylinder
NINGBO TOMAN IMP. & EXP. CO., LTD , https://www.tdotmfiresolution.com