文献类型： 外文期刊
第一作者： Zheng, H.
作者： Zheng, H.;Xie, W.;Fu, B.;Xiao, S.;Tan, X.;Ji, Y.;Cheng, J.;Yang, X.;Guo, Z.;Wang, S.;Wu, Q.;Xu, B.;Zhang, Y.;Zheng, H.;Fu, B.;Wang, R.;Liu, B.;Zhou, X.
作者机构：
关键词： Bemisia tabaci; resistance; insecticides; spirotetramat; cyantraniliprole
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： 2021 年 77 卷 6 期
页码：
收录情况： SCI
摘要： BACKGROUND Over recent decades, many efficacious insecticides have been applied for control of Bemisia tabaci, one of the most notorious insect pests worldwide. Field-evolved insecticide resistance in B. tabaci has developed globally, but remains poorly understood in China. RESULTS In this study, a total of 30 field samples of the whitefly Bemisia tabaci from eight provinces of China were collected in 2015 to 2018. Twenty-four of the populations were identified as Mediterranean, 'Q' type (MED), three were Middle East-Asia Minor 1, 'B' type (MEAM1), and three were mixtures of MED/ MEAM1. After identifying whether they belong to MED or MEAM1, the selected individuals were used in bioassays assessing insecticide resistance to abamectin, thiamethoxam, spirotetramat, cyantraniliprole, and pyriproxyfen. Our results showed that all populations in the eight regions had little or no resistance to abamectin; abamectin resistance was highest in the Hunan (Changsha) and Hubei (Wuhan) regions and was lowest in the island region of Hainan (Sanya). The resistance of B. tabaci to spirotetramat, cyantraniliprole, and pyriproxyfen increased each year. The resistance to thiamethoxam remained low because of the high LC50 value for the laboratory strain. CONCLUSION These findings suggest that a rotation system using efficacious B. tabaci insecticides with differing mode of actions ought to be implemented for sustainable control to reduce the potential of resistance development. This study provides important data to support the integrated pest management and insecticide resistance management of B. tabaci in China.
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