福建省马尾松毛虫综合治理的研究

马尾松毛虫Dendrolimus Punctatus Walker是我省发生面积最大、危害最严重的森林害虫,大发生年份马尾松受害面积达20万公顷,经济损失约2000万元。综合治理主要开展了松毛虫发生类型的划分,并根据发生类型分类施策;采取封山护林、营造混交林,禁止强度打枝等营林技术措施;加强虫情调查和预测预报;预防为主,防治虫源基地等治理措施,使综防区内95％以上的松林达到有虫不成灾,综合治理的直接经济效益达4119.5万元。

Study on the IPM of Dendrolimus Punctatus Walker in Fujian Province

The pine caterpillar Dendrolimus punctatus Walker is the worst pest of the masson pine ( pinus massoniana ) in Fujian. The 20 million ha masson p-ine forest is severely infested when the outbreaking year, and the economic income lost about two thousands million yuan. In order to control the pest, we conducted a research on divided the kinds of occurence of the pest, made basic control strategy of kinds of occurence. The technical measures are introduced, which include: closing the forest,planting mixed forest,forbidding to excessive cut branch, investigation and forecast of the pest, integrated control measures ( incl-uding biological, chemical and physical control ) . Therefore, the ecological environment of the masson pine forest is then fundamentally changed, and the outbreak of the pest does not occur in the over 95% the masson pine forest in the integrated control area. After IPM economic effeciency achieved 4119.5 million yuan.