华坪县松树萎蔫死亡主要原因初步研究  

Preliminary Investigation on the Primary Reason of Pine Wilt Disease in Huaping

作　　者：李桂香[1] 李丹蕾[2] 喻盛甫[3] 

机构地区：[1]华坪县森林病虫防治检疫站,云南华坪674800 [2]华南农业大学资源环境学院,广东广州510642 [3]云南农业大学云南省植物病理重点实验室,云南昆明650201

出　　处：《云南农业大学学报》2007年第2期225-228,共4页Journal of Yunnan Agricultural University

基　　金：云南省自然科学基金项目(2000C0053M);云南省科技攻关项目(2005NG03)。

摘　　要：对华坪县11个乡镇林区萎蔫死亡松树进行采样调查,多数样本分离到线虫,该线虫经纯化培养后鉴定为拟松材线虫(Bursaphelenchus mucronatus)。采样调查结果表明,华坪县全县已有5个乡镇的松林发生不同程度的萎蔫死亡。拟松材线虫和松墨天牛共同危害(松墨天牛作为拟松材线虫的媒介昆虫)是松树死亡的主要原因,而且在华坪县这种共同危害正成为一种危害趋势。The investigation was conducted at 11 towns and townships of Huaping County. Nematodes were isolated from most of the diseased pine woods and Bursaphelenchus mucronatus was identified. The investigations showed that pine wilt disease had occurred at least in 5 forest regions of Huaping country. It was B. mucronatus that caused the pine wilt disease. The cooperation damage of B. mucronatus and Monochamus alternatus was primary reason causing pine wilt disease and this damage way is making a tendency in Huaping.

关 键 词：华坪县 松树 萎蔫 拟松材线虫 

分 类 号：S763.712.4[农业科学—森林保护学]