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刺蛾是枣树的重要害虫,同时也为害杏、梨、苹果等果树和杨、柳,榆、槐等林木.大发生年能将枣叶吃光,造成小枣减产和品质降低,影响树势.近几年,由于大量使用化学农药,杀伤天敌,破坏了生态平衡,致使刺蛾有逐年加重的趋势.1976年,水漫大队发现了刺蛾幼虫自然死亡,经鉴定,其病原是褐缘绿刺蛾(Parasa consoia Wa lker)颗粒体病毒(G.V).这为研究防治刺蛾提供了新的途经.1978年,县成立了防治协作组,进行了
The thorn moth is an important pest of jujube tree, but also for the apricot, pear, apple and other fruit trees and poplar, willow, elm, Sophorae and other trees. Occurrence of jujube leaves can be eaten, resulting in reduced production and quality of jujube, affecting the tree In recent years, due to extensive use of chemical pesticides, killing natural enemies, undermining the ecological balance, resulting in the trend of increasing year by year of the thorn moth.In 1976, the water brigade found the natural death of the larvae of the thorn moth, identified, the pathogen is brown Parasa consoia Wa lker granulovirus (GV), which provided a new way to study the prevention and control of the larvae .In 1978, the county established a collaborative prevention and control group