【摘要】 松材线虫病自1982年在我国发现后,扩散和危害呈逐年扩大和加重趋势,严重影响了我国生态安全和经济发展。本文通过对松材线虫病定量的风险分析,得出风险值R=2.775,表明松材线虫病对陕西省而言属于特别危险的林业有害生物,应加强监测、检疫和除治管理,防止传入陕西省并造成扩散危害。更多还原

【Abstract】 Since Pine wilt disease was being discovered in 1982 here in China, it has spread widely and quickly year after year, and seriously affected the ecological safety and economical development of China. Based on the risk analysis a fixed quantity of pine wilt disease, the article has got a risk value of 2.775. It shows Pine wilt disease belongs to a very dangerous group of harmful living creature to forest in Shaanxi. We should strengthen inspect, quarantine and supervision, to prevent this disease spread into Shaanxi province to damage the forests.更多还原