冬季,果树及其各类病虫进入休眠阶段,此时正是消灭病虫害的有利时期。冬季防治,方法虽简单,但却能收到事半功倍的效果。 1、清扫落叶和病果苹果早期落叶病、梨黑星病、梨木虱、金纹细蛾、葡萄褐斑病等许多果树上的重要病虫,大都藏在受害的落叶和病果中越冬,从而成为第二年的病虫源。因此。仔细清理果园,扫除落叶和病果并集中烧毁,是减轻病虫害的一个简单 Winter, fruit trees and their various pests and diseases into the dormant stage, this time is the elimination of pests and diseases of the favorable period. Winter prevention and treatment, although the method is simple, but it can receive a multiplier effect. 1, cleaning the leaves and disease Apple early deciduous disease, pear scab, pear lice, gold moth, grape brown spot and many other pests on the important pests, mostly hidden in the victims of deciduous and sick fruits in the winter, Which became the second year of the source of the disease. therefore. Carefully clean the orchard, remove the leaves and disease and focus on burning, is to reduce pests and diseases of a simple