| 几种药剂对小菜蛾的田间药效比较 |
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| 引用本文： | 赵杨,赵奇,田本志,胡兰.几种药剂对小菜蛾的田间药效比较[J].世界农药,2009,31(2):28-30. |
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| 作者姓名： | 赵杨 赵奇 田本志 胡兰 |
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| 作者单位： | 辽宁省农业科学院植物保护研究所,沈阳,110161 |
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| 摘 要： | 对0．3％印楝素乳油、1％甲维盐水乳剂、1．8％阿维菌素乳油、100g／L虫螨腈悬浮剂等生物药剂防治小菜蛾的田间药效进行了试验，结果表明用药后1d防效在43％～53％，药后3d防效在74％～86％，药后7d防效在79％～90％。其中1％甲维盐水乳剂药效较为理想，具有一定的速效性及良好的持效性，可推广使用。
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| 关 键 词： | 生物药剂 小菜蛾 药效 |
Comparision of the Field Effects of Several Pesticides against Diamondback moth(Plutella xylostella L.) |
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| ZHAO Yang,ZHAO Qi,TIAN Ben-zhi,HU Lan.Comparision of the Field Effects of Several Pesticides against Diamondback moth(Plutella xylostella L.)[J].World Pesticides,2009,31(2):28-30. |
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| Authors: | ZHAO Yang ZHAO Qi TIAN Ben-zhi HU Lan |
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| Affiliation: | (Institute of Plant Protection, Liaoning Academy of Agricultural Sciences, Shenyang 110161) |
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| Abstract: | The results of field trials showed that the control effects of 0.3% azadirachtin EC, 1% emamectin benzoate EW, 1.8% avermectin EC, 100 g/L chlorfenapyr SC,etc, reach 43%-53% on First day after application,74%-86% on third day after application, 79%-90% on seventh day after application. The control effect of 1% emamectin benzoate EW is the highest among all the tested pesticides, with a some quik acting and a good persistence characteristics,and it worthes popularizing. |
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| Keywords: | biopesticide Plutella xylostella （L ） control effect |
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