果树害虫的冬季防治冬季防治果树害虫，可以压低害虫越冬基数，减轻翌年虫害的发生，对减少用药次数及用药量，降低生产成本，提高防治效果，减轻环境污染等方面均有重要意义。因此，果树的冬季管理不能只注重修剪，而忽视害虫防治。为做好果树害虫的冬防工作，必须了解、... Winter pest prevention and control of fruit pests in winter pest control, pests can reduce the number of overwintering, reduce the incidence of pests the following year, reducing the number and dosage of medication, reduce production costs, improve control effects, reduce environmental pollution, etc. are of great significance. Therefore, the winter management of fruit trees can not only focus on pruning, but ignore pest control. In order to do a good job in winter prevention of pests of fruit trees, we must understand that ...