摘要
杭州有松林30万hm2，自50年代以来，连续遭受马尾松毛虫、日本松干蚧和松材线虫病的危害，本文对其发生原因和对策作了探讨。
Form 1950s, the pinus forests in Hangzhou were continuously endangered by Dendrolimus punctatus. Matsuccccus matsumurae and Bursaphelechus xylophilus The paper inquired into the occurence cause and countermeasures.
出处
《浙江林业科技》
北大核心
1998年第5期58-61,共4页
Journal of Zhejiang Forestry Science and Technology
关键词
松林
病虫
马尾松
松毛虫
pine forest
pest
cause
countermeasure
