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林分密度大、树种单一、松树生长衰弱、松褐天牛危害严重引起松树流脂是浙江武义县壶山风景区马尾松枯死的原因 .防治松褐天牛 ,加强抚育管理 ,调整林分结构 ,是壶山风景区发展的有效措施 .
Stand density, single tree species, weak pine growth, severe damage caused by pine honeydew caused by flowering of pine is the cause of death of Pinus massoniana in Wuyi County, Zhejiang Province, preventing and controlling Monochamus alternatus, strengthening the management of tending and adjusting the stand structure , Is an effective measure for the development of Hu Shan Scenic Area.