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林业和生态环境的建设离不开林木病虫害防治,林木病虫害的防治工作,关系到林业和生态环境的全局,也是保护生态环境、维持生态平衡的重要一环。冬季树木病虫害防治对降低病虫越冬基数,减轻明年的防治压力,确保产量和品质有着重要作用,因此,冬季病虫害防治也是不能忽略的一个环节。本文就北方林木病虫害冬季防治给出了清理落叶、修剪枯枝、摘除虫茧、树干涂白和深翻树盘五种方法,仅供同行参考。
The construction of forestry and ecological environment is inseparable from the prevention and control of forest pests and diseases and the prevention and control of forest pests and diseases, which is related to the overall situation of forestry and ecological environment. It is also an important part of protecting ecological environment and maintaining ecological balance. Winter tree pest control to reduce pest and disease overwinter base, reduce next year’s prevention and control pressure, ensure yield and quality has an important role, therefore, winter pest control is also a link can not be ignored. In this paper, five methods of clearing fallen leaves, pruning dead branches, removing cocoon, whitening the tree trunk and transplanting the tree trunk are given for the prevention and control of forest pests and diseases in the north in the winter.