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经样地调查和林间试验 ,查明了青海云杉种子园、母树林当前主要发生危害的病害有 3种 ,虫害有 1 5种 ,鼠害 1种 ,调查了不同病虫害的分布危害特点 ,提出了综合治理的策略与防治措施
Through the field survey and inter-forest experiment, it was found that there are 3 main diseases in the parent tree forest, 15 species of pests and 1 species of rodent pests. The distribution characteristics of different pests and diseases were investigated. Put forward the strategy of comprehensive management and prevention measures