宾川县退耕还林地病虫害发生现状及综合防治对策

摘要

The survcy results shows lhal effectiveness of retiming farrnland to forest project is difficult to reach the desired goals, economic benefits is lower for foresters, one of reason is the forest planl disease and insect pests, especially the underground pest damage. Natural and human factors of plant disease and insect pest occurrence have been analyzed in this paper. Comprehensive prevention countermeasures such as strengthening pest prevention and control work, establishment nursery without quarantine targets, strengthening tending management, optimizing forest stand and tree species structure, make a good job of monitoring and forecasting for plant diseases and insect pests.%通过调查分析表明,宾川县退耕还林工程造林成效难以达到预期目标,林农经济收益较低,究其原因之一是森林病虫危害,特别是地下害虫的危害.分析病虫危害发生的自然及人为因素,提出退耕还林工程中加强病虫防治工作,建立无检疫对象苗圃,强化营造林技术措施,加强森防队伍建设,严格检疫,强化抚育管理,优化退耕还林林分、树科结构,搞好工程区病虫害的监测预报工作等综合防治对策.