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松毛虫(Dendrolimus SPP)是全国松林历史性害虫,也是四川马尾松林的主要害虫。在四川遍布12个地、州、市及61个县,每年受害面积平均达50余万亩,灾情此起彼伏,连年发生,每年造成上百万元的经济损失,是生产和科研上一个急待解决的难题。为探索松毛虫常灾区控制灾害的可能性与可行性,1984年曾作了可行性调研,并进行了证论,同年以生产性承包形式开展研究,拟定在江北县铁山坪林场建立控制松毛虫灾害技术研究“万亩试验林”,1984年底开始研究,1986年底结束,共进行了两年。控制灾害技术研究是“以生
Dendrolimus SPP is a historic pest in the pine forest in China and is also a major pest in the Pinus massoniana forest in Sichuan Province. In Sichuan, there are 12 prefectures, cities and 61 counties in Sichuan Province, with an average area of more than 50 million mu each year. The disasters have come one after another and occurred year after year, causing an annual economic loss of over one million yuan. This is an urgent issue in production and scientific research The problem In order to explore the possibility and feasibility of controlling disasters in the disaster-prone areas of pine caterpillars, a feasibility study was conducted in 1984 and testified. In the same year, a study was carried out in the form of productive contracting, and a control plan was set up to control the disasters in Tieshanping Forest Farm, Jiangbei County. Caterpillar disaster technology research “mu of experimental forest”, began to study the end of 1984, the end of 1986, a total of two years. Control of disaster technology research is "to live