Characterisation of Neonicotinoid and Pymetrozine Resistance in Strains of Bemisia tabaci (Hemiptera: Aleyrodidae) from China
文献类型: 外文期刊
第一作者: Rao Qiong
作者: Rao Qiong;Luo Chen;Rao Qiong;Zhang Hong-yu;Jones, Christopher M.;Devine, Greg J.;Gorman, Kevin;Denholm, Ian;Xu Yong-hua
作者机构:
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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