Susceptibility to neonicotinoids and risk of resistance development in the brown planthopper, Nilaparvata lugens (St(a)over-circlel) (Homoptera: Delphacidae)
文献类型: 外文期刊
第一作者: Zhu, Yu Cheng
作者: Zhu, Yu Cheng;Wang, Yanhua;Chen, Jin;Ma, Chongyong;Huang, Yue;Shen, Jinliang;Wang, Yanhua
作者机构:
关键词: Nilaparvata lugens;susceptibility;neonicotinoid;buprofezin;fipronil
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 12 期
页码:
收录情况: SCI
摘要: BACKGROUND: In recent years, outbreaks of the brown planthopper, Nilaparvata lugens (Stal), have occurred more frequently in China. The objective of this study was to determine the susceptibility of N. lugens to neonicotinoids and other insecticides in major rice production areas in China. RESULTS: Results indicated that substantial variations in the susceptibility to different insecticides existed in N. lugens. Field populations had developed variable resistance levels to neonicotinoids, with a high resistance level to imidacloprid (RR: 135.3-301.3-fold), a medium resistance level to imidaclothiz (RR: 35-41.2-fold), a low resistance level to thiamethoxam (up to 9.9-fold) and no resistance to dinotefuran, nitenpyram and thiacloprid (RR < 3-fold). Further examinations indicated that a field population had developed medium resistance level to fipronil (up to 10.5-fold), and some field populations had evolved a low resistance level to buprofezin. In addition, N. lugens had been able to develop 1424-fold resistance to imidacloprid in the laboratory after the insect was selected with imidacloprid for 26 generations. CONCLUSION: Long-term use of imidacloprid in a wide range of rice-growing areas might be associated with high levels of resistance in N. lugens. Therefore, insecticide resistance management strategies must be developed to prevent further increase in resistance. (C) 2008 Society of Chemical Industry
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