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Mechanisms for multiple resistances in field populations of common cutworm, Spodoptera litura (Fabricius) in China

文献类型： 外文期刊

作者： Huang, Shuijin 1 ; Han, Zhaojun 2 ;

作者机构： 1.Nanjing Agr Univ, Minist Agr, Key Lab Monitoring & Management Plant Dis & Insec, Nanjing 210095, Peoples R China

2.Jiangxi Acad Agr Sci, Inst Plant Protect, Nanchang 330200, Peoples R China

关键词： insecticide resistance;cytochrome P450 monooxygenase;esterase;acetylcholinesterase;sodium channel;common cutworm

期刊名称：PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY （ 影响因子：3.963； 五年影响因子：4.454 ）

ISSN： 0048-3575

年卷期： 2007 年 87 卷 1 期

页码：

收录情况： SCI

摘要： The mechanisms for multiple resistances had been studied with two field resistant strains and the selected susceptible and resistant strains of Spodoptera litura (Fabricius). Bioassay revealed that the two field strains were both with high resistance to pyrethroids (RR: 63-530), low to medium resistance to organophosphates and carbamates, AChE targeted insecticides (RR: 5.7-26), and no resistance to fipronil (RR: 2.0-2.2). Selection with deltamethrin in laboratory could obviously enhance the resistance of this pest to both pyrethroids and AChE targeted insecticides. Synergism test, enzyme analysis and target comparison proved that the pyrethroid resistance in this pest associated only with the enhanced activity of cytochrome P450 monooxygenase (MFO) and esterase. However the resistance to the AChE targeted insecticides depended on the target insensitivity and also the enhanced activity of MFO and esterase. Thus, the cross-resistance between pyrethroids and the AChE targeted insecticides was thought to be resulted from the enhanced activity of MFO and esterase. (c) 2006 Elsevier Inc. All rights reserved.

  • 相关文献

[1]Cloning of Two Acetylcholinesterase Genes and Analysis of Point Mutations Putatively Associated with Triazophos Resistance in Chilo auricilius (Lepidoptera: Pyralidae). Li, Xiao-Huan,Zhang, Zhi-Chun,Liu, Bao-Sheng,Fang, Ji-Chao,Li, Xiao-Huan,Fang, Ji-Chao,Huang, Shui-Jin.

[2]Resistance Monitoring of Four Insecticides and a Description of an Artificial Diet Incorporation Method for Chilo suppressalis (Lepidoptera: Crambidae). Huang Shuijin,Chen Qiong,Qin Wenjing,Sun Yang,Qin Houguo. 2017

[3]Baseline toxicity data of insecticides against the common cutworm Spodoptera litura (Fabricius) and a comparison of resistance monitoring methods. Huang, Shuijin,Xu, Junfeng,Han, Zhaojun. 2006

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