Buprofezin susceptibility survey, resistance selection and preliminary determination of the resistance mechanism in Nilaparvata lugens (Homoptera : Delphacidae)
文献类型: 外文期刊
第一作者: Wang, Yanhua
作者: Wang, Yanhua;Gao, Congfen;Xu, Zhiping;Zhang, Jiushuang;Li, Wenhong;Dai, Dejiang;Lin, Youwei;Zhou, Weijun;Shen, Jinliang;Wang, Yanhua;Zhu, Yu Cheng
作者机构:
关键词: Nilaparvata lugens;buprofezin;susceptibilities;resistance mechanism
期刊名称:PEST MANAGEMENT SCIENCE ( 影响因子:4.845; 五年影响因子:4.674 )
ISSN: 1526-498X
年卷期: 2008 年 64 卷 10 期
页码:
收录情况: SCI
摘要: BACKGROUND: Buprofezin has been used for many years to control Nilaparvata lugens (Stal). Assessment of susceptibility change in the insect is essential for maintaining control efficiency and resistance management. RESULTS: Eleven-year surveys showed that most field populations were susceptible before 2004. However, substantially higher levels of resistance (up to 28-fold) were found in most of the rice fields in China after 2004. A field population was collected and periodically selected for buprofezin resistance in the laboratory. After 65 generations (56 were selected), the colony successfully obtained 3599-fold resistance to buprofezin. Synergism tests showed that O,O-diethyl-O-phenyl phosphorothioate (SV1), piperonyl butoxide (PBO) and diethyl maleate (DEM) increased buprofezin toxicity in the resistant strain by only 1.5-1.6 fold, suggesting that esterases, P450-monooxygenases and glutathione S-transferases had no substantial effect on buprofezin resistance development. CONCLUSION: The results from this study indicate that N. lugens has the potential to develop high resistance to buprofezin. A resistance management program with rotation of buprofezin and other pesticides may efficiently delay or slow down resistance development in the insect. Further investigation is also necessary to understand the resistance mechanisms in N. lugens. (C) 2008 Society of Chemical Industry.
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