摘要
１９９３、１９９４年用２０％丙硫克百威乳油进行了防治棉蚜的药效试验。试验结果表明，用该药５００、７５０倍液，药后３天均达到了８０％以上的防效，药后７天，５００、７５０、１０００倍液均达到９０％以上的防效，其中５００、７５０倍液的防效达到９６％以上，显著高于２０％甲氰菊酯乳油２０００倍液７０％的防效。该药时棉蚜具有良好的杀虫效果，田间使用以７５０～１０００倍液为宜。
The test of control the cotton aphid with 20%ben-furacarb EC was conducted in 1993 and 1994.The resultshows that this insecticide is vrey effective. More than 80%ofthe pests was killed after 3 days by using 500 and 750 timesdeluents of 20% benfuracarb EC,and after 7 days over 90%was killed by using these two diluents,the effect is also over90 percent after 7 days of using 100 times diluent.These ef-fects are all higher than that of 20 percent fenpropathrin EC2000 times diluent which effect is 70 percent.Therefore,20%Benfuracarb EC is an effective pesticide of control the cottonaphid.It is suitable to use 750～1000 times dilument in thefield.
出处
《农药》
CAS
北大核心
1995年第8期29-30,共2页
Agrochemicals
