鱼藤酮对烟草斜纹夜蛾和烟青虫的防治效果  

Effect of Rotenone on Spodoptera litura and Heficoverpa assulta of Tobacco

作　　者：颜成生 彭曙光 单雪华 姚强 张小良 郭维 杨勇 

机构地区：[1]湖南省烟草公司衡阳市公司,湖南衡阳421100 [2]湖南省烟草公司,长沙410004 [3]湖南省安邦农业研究院,衡阳421200

出　　处：《作物研究》2015年第6期647-650,共4页Crop Research

摘　　要：为了验证生物农药鱼藤酮对烟田烟青虫和斜纹夜蛾的防治效果,采用田间小区试验,对4%鱼藤酮的防治效果进行了研究。结果表明,4%鱼藤酮乳油防治烟草斜纹夜蛾和烟青虫效果良好,药后7 d,喷施4%鱼藤酮900、1 200、1 500 m L/hm2对斜纹夜蛾和烟青虫的校正防效分别达到86.8%、85.6%、88.2%和89.1%、92.4%、92.2%。鱼藤酮对烟草斜纹夜蛾和烟青虫防效好,对作物安全,不污染环境。The field experiment was conducted to study the efficiency of rotenone on controlling Spodoptera litura and hefi-coverpa assulta.The result indicated that when treated by spraying 4% EC rotenone at the concentration of 900,1 200 and 1 500 mL/hm2 ,7 days later,the control rate on Spodoptera litura and Heficoverpa assulta reached to 86.8%,85.6%, 88.2% and 89.1%,92.4%,92.2%,respectively.The experiment shows that the control effect of rotenone on the Spo-doptera litura and Heficoverpa assulta is well,is safe to crop and no pollution to environment.

关 键 词：生物农药 鱼藤酮 斜纹夜蛾 烟青虫 烟草 防治效果 

分 类 号：S482.37[农业科学—农药学]