论文部分内容阅读
蔗龟是百色地区甘蔗的主要害虫。成虫、幼虫均可为害甘蔗。发生普遍,为害严重。受害的蔗田,苗期表现枯心,后期蔗叶枯黄,容易倒伏,宿根蔗发株少。1988年,本所30多亩甘蔗受害,严重的田块,受害株平均每株有金龟子幼虫4.23头.当年11月间,我们用7种农药进行防治试验,结果证明倍硫磷的防治效果最佳。供试验的7种药剂是25%杀螟松、速灭虫净、25%杀虫脒水剂、50%倍硫磷乳剂、25%杀虫双水剂、
Sugarcane is the main pest of sugarcane in Baise. Adult and larvae can damage sugarcane. Common occurrence, serious harm. Victims of cane fields, seedlings withered performance, the latter sugarcane leaves yellow, easy to lodging, pests and plants less pests. In 1988, more than 30 mu of sugar cane were affected, and on average, there were 4.23 heads of chafer larvae on average in each of the severely affected plots. In November of that year, we used seven kinds of pesticides for prevention and control. The results showed that fenthion was the most effective good. The seven agents tested were 25% fenitrothion, pest control, 25% insecticide amidine, 50% fentanyl, 25% insecticide dianhydride,