Resistance monitoring and mechanism in the fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae) for chlorantraniliprole from Sichuan Province, China
文献类型： 外文期刊
第一作者： Chen, Hui-Lin
作者： Chen, Hui-Lin;Hasnain, Ali;Gong, Chang-Wei;Liu, Xue-Mei;Pu, Jian;Wang, Xue-Gui;Chen, Hui-Lin;Hasnain, Ali;Hu, Rong;Gong, Chang-Wei;Liu, Xue-Mei;Pu, Jian;Wang, Xue-Gui;Hasnain, Ali;Cheng, Qing-Hua;Xia, Li-Juan;Cai, Yu-Hao;Zhang, Lei
作者机构：
关键词： Spodoptera frugiperda; chlorantraniliprole; cytochrome P450; qRT-PCR; resistance mechanism
期刊名称：FRONTIERS IN PHYSIOLOGY （ 影响因子：4.0； 五年影响因子：4.7 ）
ISSN：
年卷期： 2023 年 14 卷
页码：
收录情况： SCI
摘要： The fall armyworm, Spodoptera frugiperda (Noctuidae: Lepidoptera), is a wide-reaching notorious insect pest of important cereal crops, which has developed resistance to multiple classes of insecticides. It invaded the Sichuan Province of China in 2019. In this study, we performed resistance monitoring of insecticides for 11 field-collected populations from Sichuan, and all the populations were susceptible to emamectin benzoate and chlorpyrifos. The variations in resistance level to indoxacarb (resistance ratio (RR), 9.23-45.53-fold), spinetoram (RR, 4.32-18.05-fold), and chlorantraniliprole (RR, 2.02-10.39-fold) were observed among these populations. To investigate the resistance mechanism of chlorantraniliprole, synergism tests were performed and showed that piperonyl butoxide had a slight synergistic effect on chlorantraniliprole for the QJ-20 population (1.43-fold) in moderate resistance (RR, 10.39-fold) compared with the treatment group without synergist. Furthermore, the expression scanning for resistance-related genes showed that five P450 genes (CYP6AE43, CYP321A8, CYP305A1, CYP49A1, and CYP306A1) and the ryanodine receptor gene (Ryr, chlorantraniliprole target) were overexpressed in the QJ-20 population. These results indicated that the fall armyworm in Sichuan has exhibited diverse susceptibilities to several classes of insecticides, and the overexpression of Ryr and several P450 genes may contribute to the development of resistance in S. frugiperda to chlorantraniliprole.
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