论文部分内容阅读
报道了植物源杀虫剂 2 .5 %三苦素水剂开发研究的成果 ,1 997～ 1 999年进行了室内、田间药效试验 ,结果表明 :2 .5 %三苦素水剂 47～ 75 g/ hm2 (有效成分 )对菜青虫防效达83 .5 %～ 90 .9% ,并有拒食作用 ;其 5 0 0～ 1 0 0 0倍液防治松毛虫、美国白蛾和栎舞毒蛾的防效分别达到 1 0 0 %、83 .3 %～ 1 0 0 %和 97.2 %～ 1 0 0 %
Reported the development of plant-based pesticides 2.5% tricosanogenide research results, 997 ~ 1 999 years of indoor and field efficacy tests showed that: 2.5% tricin prime agent 47 ~ The effective rate of 75 g / hm2 (active ingredient) reached 83.5% ~ 90.9% for cabbage worm, and had antifeeding effect; The control effects of the poison moths were respectively 100%, 83.3% -100% and 97.2% -100%