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冬季,大多数果树处于休眠期,搞好病虫害防治,对避免和减轻翌年病虫对果树的危害作用很大。根据多年的生产与实践调查,果树冬季病虫害防治,要突出抓好以下几个方面:1、清除残枝落叶:苹果褐斑病、灰斑病和梨的黑星病等病菌的越冬场所都在残枝落叶和杂草中。通过清扫可起到消灭越冬病原物的作用。2、剪除病虫枝:苹果炭疽病、葡萄白腐病、桃褐腐病的病菌大部在残果上
In winter, most of the fruit trees are in dormancy, do a good job in the prevention and control of pests and diseases, and have a great effect on avoiding and mitigating the pests and diseases on the fruit trees in the following year. According to years of production and practice of investigation, fruit tree pest control in winter, it is necessary to give prominence to the following aspects: 1, remove stump leaves: apple brown spot, gray spot disease and pear scab and other pathogens overwintering places are Stumps and weeds. By cleaning can play the role of eliminating the pathogen of overwintering. 2, cut off pest branches: apple anthracnose, grape white rot, peach brown rot disease most of the residual fruit