1. Principle of prevention and control: implement the plant protection policy of “prevention-oriented, comprehensive prevention and control†by selecting strong resistant varieties, nurturing strong seedlings, strengthening cultivation and management, and scientific fertilizing, improving and optimizing the ecosystem, and creating a conducive to the growth of Chinese cabbage. The development of environmental conditions, based on agricultural and physical control, biological control, chemical control supplemented by the principle of governance, in accordance with the law of the occurrence of pests and diseases, effective control of pests and diseases, to achieve the purpose of production safety, high-quality pollution-free Chinese cabbage .
2. Agricultural Prevention and Control: Use agricultural technology measures to control pests and diseases, rotate crops reasonably, clean the pastoral areas, destroy or bury deep-buried bodies of previous crops, and remove central diseased plants and weeds in time.
3, biological control: Vigorously promote biological pesticides, use BT emulsion, insecticide, etc., to protect or stocking natural enemies.
4, physical control: the use of pests tend to temptation, killing tigers and vinegar can be used to kill adult tigers, traps used to kill Spodoptera litura, yellow plates and so on.
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