| 5种药剂不同生测方法对甜菜夜蛾幼虫毒力比较 |
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| 引用本文： | 于伟丽,张升国,刘永强,周超,王伟,慕卫.5种药剂不同生测方法对甜菜夜蛾幼虫毒力比较[J].长江蔬菜,2010(18):116-118. |
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| 作者姓名： | 于伟丽 张升国 刘永强 周超 王伟 慕卫 |
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| 作者单位： | 山东农业大学植物保护学院,泰安,271018;山东泰安市气象局 |
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| 基金项目： | 公益性行业(农业)科研专项经费项目"甜菜夜蛾防控技术研究与示范" |
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| 摘 要： | 采用浸虫、浸叶、点滴3种方法测定了5种药剂对甜菜夜蛾3龄幼虫的室内毒力,测定结果表明,5种药剂均有胃毒毒力和触杀毒力,其中甲维盐以胃毒毒力为主。5种药剂毒力在3种方法间表现为浸叶法〉浸虫法〉点滴法,且5种药剂毒力大小在3种方法测定下均表现出了甲维盐〉茚虫威〉溴虫腈〉虫酰肼〉灭多威的规律。
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| 关 键 词： | 甜菜夜蛾 毒力 浸虫法 浸叶法 点滴法 |
Comparison of Five Insecticides by Different Bioassay Methods to Spodoptera exigua Toxicity |
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| YU Weili,ZHANG Shengguo,LIU Yongqiang,ZHOU Chao,WANG Wei,MU Wei.Comparison of Five Insecticides by Different Bioassay Methods to Spodoptera exigua Toxicity[J].Journal of Changjiang Vegetables,2010(18):116-118. |
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| Authors: | YU Weili ZHANG Shengguo LIU Yongqiang ZHOU Chao WANG Wei MU Wei |
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| Institution: | YU Weili1,ZHANG Shengguo2,LIU Yongqiang1,ZHOU Chao1,WANG Wei1,MU Wei1 (1.College of Plant Protection,Shandong Agricultural University,Tai'an 271018,2.Shandong Province Tai'an City Weather Bureau) |
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| Abstract: | The laboratory toxicity to 5 insecticides in the 3-instars Spodoptera exigua （Hübner） was determined by leafdip method,insect-dip method and topical application.The results showed that all of the emamectin benzoate,indoxacarb,chlorfenapyr,tebufenozide and methomyl have oral toxicity and dermal toxicity,and the oral toxicity of emamectin benzoate was higher than dermal toxicity.The toxicity of three bioassays gave an order of leaf-dip method insect-dip methodtopical application and the toxicity of five insecticides gave an order of emamectin benzoateindoxacarbchlorfenapyrtebufenozideMethomyl. |
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| Keywords: | Spodoptera exigua （Hübner） Toxicity Leaf-dip method Insect-dip method Drop method |
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