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为害荔枝龙眼的害虫和病原菌也需要越冬,因此目前大多都处于休眠状态。害虫和病原菌的越冬场所主要在主干、大枝、落叶、枯枝、落果、杂萆、树盘土壤里面。处于休眠的病虫抗性差,容易被消灭,因此果农朋友不要因为表面上没有病虫危害就不做病虫害防治的管理工作。其实冬季是消灭龙眼、荔枝病虫害的大好时机,一方面可以起到事半功倍的效果,另一方面对全年的病虫害调控可以起到关键作用。重点要抓好以下
Damage Litchi longan pests and pathogens also need winter, so most are currently in dormant state. Pests and pathogens overwintering places mainly in the trunk, big branches, deciduous, dead branches, deciduous, miscellaneous, tree soil inside. Pest resistance in dormancy is poor, easy to be eliminated, so fruit farmers friends do not do not do pest control because there is no pest damage management. In fact, winter is a good time to eliminate longan and litchi pests. On the one hand, it can play a multiplier effect and on the other hand, it can play a key role in the control of pests and diseases throughout the year. Focus should grasp the following