Susceptibility levels of field populations of Frankliniella occidentalis (Thysanoptera: Thripidae) to seven insecticides in China

文献类型： 外文期刊

第一作者： Zhang, Kun

作者： Zhang, Kun;Yuan, Jiangjiang;Wang, Jing;Hua, Dengke;Zheng, Xiaobin;Tao, Min;Zhang, Zhen;Wan, Yanran;Zhang, Youjun;Wu, Qingjun;Wang, Shuaiyu;Zhang, Kun;Liang, Pei

作者机构：

关键词： Frankliniella occidentalis; Insecticide resistance; Susceptibility detecting; Integrated pest management

期刊名称：CROP PROTECTION （ 影响因子：3.036； 五年影响因子：3.32 ）

ISSN： 0261-2194

年卷期： 2022 年 153 卷

页码：

收录情况： SCI

摘要： The western flower thrips, Frankliniella occidentalis (Pergande), is a widespread and serious agricultural pest. Controlling F. occidentalis is difficult because it rapidly develops resistance to many insecticides. To assess the development status (2016-2018) of insecticide resistance of F. occidentalis and to improve resistance management, we determined the susceptibility levels of field populations in China to seven commonly used insecticides (spinosad, spinetoram, abamectin, emamectin-benzoate, chlorfenapyr, thiamethoxam and 13-cypermethrin). The results showed that F. occidentalis developed resistance to spinosad, spinetoram, abamectin, emamectinbenzoate, thiamethoxam and 13-cypermethrin, and except for spinetoram and thiamethoxam, the resistance of southern populations to the other four insecticides was higher than that of northern populations. A population from Changping, Beijing, had the highest resistance level and its spinetoram resistance ratio was 16,972 (susceptible reference strain LC50 = 0.001 mg/L). Susceptibility to spinosad and abamectin varied greatly among the populations (LC50 values ranged from 0.006 mg/L to 9.943 mg/L for spinosad and from 1.071 mg/L to 939.410 mg/L for abamectin). The use of non-chemical control methods and IPM should be considered for the sustainable management of F. occidentalis populations.

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