毛竹林主要害虫工程治理技术

After 10 years' research and 5 years' controlling practice, an integrated management system based on ecological principles has established in Longyou County, Zhejiang Province, including major insect pests monitoring & forecasting and controlling methods. Areas of moso bamboo forest with above middle level pest damage decreased from 7 1405 hm2 in 1998 to 20.5 hm2 in 2002Number of dead bamboo caused by pest damage jumped down from 15 000 per year to 12 per year. With the integrated management system, an economic value of 2869 million has been saved in the past 5 years.