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在大白菜生长过程中 ,病虫害发生种类较多 ,病虫害防治的好坏直接影响大白菜丰产丰收 ,为有效防治大白菜病虫害 ,防治策略应贯彻“预防为主 ,综合防治”的植保方针 ,以农业防治为基础 ,提倡生物防治 ,辅助化学防治 ,其综合防治技术措施如下。一、播前病虫害防治１、清洁田园。
In the process of Chinese cabbage growth, pests and diseases occur more types of pests and diseases directly affect the quality of Chinese cabbage yield a good harvest, in order to effectively control the cabbage pests and diseases, prevention and control strategies should implement the “prevention first, comprehensive prevention and treatment of” plant protection guidelines to agriculture Prevention and control as the basis, to promote biological control, auxiliary chemical control, the comprehensive prevention and treatment of technical measures are as follows. First, pre-plant pest control 1, clean the pastoral.