芷江县松材线虫病发生现状及防治办法
Occurrence Status and Prevention Measures of Pine Wilt Disease in Zhijiang Dong Autonomous County

松材线虫病(Pine wilt disease)是松材线虫(Bursaphelenchus xylophilus)寄生在松树体内所引起的一种毁灭性病害，公认为松树的癌症。芷江县主要危害黑松、马尾松、湿地松等松属植物。松材线虫的主要传播媒介昆虫是松褐天牛(又名松墨天牛，Monochamus alternatus Hope)，在芷江县分布较广。本文通过分析芷江县松材线虫病分布发展现状，提出了防治对策。
Pine wilt disease is a destructive disease of pine trees caused by Bursaphelenchus xylophilus parasitism in pine, which is generally recognized as a cancer of pine. In Zhijiang Dong Autonomous County, the main damage to the pines is Pinus nigra, Pinus massoniana and Pinus elliottii. The main insect media for the transmission of Bursaphelenchus xylophilus is Monochamus alternatus Hope, which is widely distributed in Zhijiang Dong Autonomous County. Based on the analysis of the present situation of the distribution and development of Bursaphelenchus xylophilus in Zhijiang Dong Autonomous County, this paper puts forward some countermeasures for its prevention and control.