Characterisation of Neonicotinoid and Pymetrozine Resistance in Strains of Bemisia tabaci (Hemiptera: Aleyrodidae) from China
文献类型： 外文期刊
作者： Rao Qiong 1 ; Xu Yong-hua 4 ; Luo Chen 1 ; Zhang Hong-yu 2 ; Jones, Christopher M. 3 ; Devine, Greg J. 3 ; Gorman, Kev 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing 100097, Peoples R China
2.Huazhong Agr Univ, Coll Plant Sci & Technol, Wuhan 430070, Peoples R China
3.Rothamsted Res, Plant & Invertebrate Ecol Dept, Harpenden AL5 2JQ, Herts, England
4.Natl Pesticide R&D S Ctr, Zhejiang Branch, Zhejiang Chem Ind Res Inst, Hangzhou 310023, Zhejiang, Peoples R China
关键词： P450;cross-resistance;pymetrozine;imidacloprid;thiamethoxam;acetamiprid;dinotefuran;neonicotinoids
期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）
ISSN： 2095-3119
年卷期： 2012 年 11 卷 2 期
页码：
收录情况： SCI
摘要： Four strains of the Q biotype and one of the B biotype of the whitefly Bemisia tabaci collected from China were characterised for resistance to four neonicotinoid insecticides and pymetrozine. Q biotype strains showed moderate to strong resistance to imidacloprid, thiamethoxam and acetamiprid, but little or no cross-resistance to dinotefuron. Resistance to neonicotinoids was consistently associated with resistance to pymetrozine, despite the latter having a distinct (though unresolved) mode of action. The single B biotype strain proved largely susceptible to all the insecticides investigated. Resistance in the Q biotype strains was associated with over-expression of a cytochrome P450 monooxygenase gene, CYP6CM1, whose substrate specificity presumably accounts for the observed cross-resistance profiles.
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