摘要
杨扇舟蛾在河北省秦皇岛和唐山地区,年发生4代,危害杨树日趋严重。采用除虫菊洗衣粉水溶液(1:2:240)、400倍苏芸金杆茵液喷雾、树干注射50%甲胺磷或40%氧化乐果25倍液,杀虫效果均达100%,树干注射法尤适于对高大杨树的害虫防治,无环境污染,不杀伤害虫天敌,对人、畜安全,省药、省水,有利于保持生态平衡。
In Qinhangdao and Tangshan area,Hebei,a great deal of damage was done to poplarsby closters anachonela,with 4 generations a year,that hindered the production of poplar andthe beautifying of environments.Spraying with Dalmatian Chrysanthrum cinerareafolium,washing powder and water at the rate of 1:2:240,400 times of B.t.solution and inject-ing to the trunk with 50%methamidophos EC or 25 times of 40%Rogor solution,the in-sect-controlling effect was up to 100%, The method of injection was especially suitable tolarge and high poplar,for it could control pests with no environmental pollution,no harm topeople,livestock and natural enemies of pests,and it was also benifical to ecological balance.
关键词
杨扇舟蛾
生物学特性
树干注射
防治
Clostera anachoreta
physiological charactors
trunk injection
control with no environmental pollution