我县有松林三十多万亩,历年来松毛虫猖獗,给林业生产带来严重损失,为了摸索防治松毛虫的有效方法,从一九六六年开始,在新会劳动大学建立防虫样板区,结合生产,开展综合技术防治试验。试验区面积五千亩,林分组成以纯林为主,混以零星小块阔叶林,林令十二至 There are more than 300,000 mu of pine forests in our county. The pine caterpillars are rampant over the years, causing serious losses to forestry production. In order to explore effective ways to prevent and control pine caterpillars, from 1966 onwards, we set up a pest control model area in Xinhui Labor University , Combined with production, to carry out comprehensive technology control test. Experimental area of ​​five acres, composed of pure forest-based forest, mixed with sporadic small piece of broad-leaved forest, Lin order twelve