The Sensitivity of Field Populations of Metopolophium dirhodum (Walker) (Hemiptera: Aphididae) to Seven Insecticides in Northern China
文献类型： 外文期刊
作者： Gong, Peipan 1 ; Li, Xinan 3 ; Wang, Chao 2 ; Zhu, Saige 2 ; Li, Qiuchi 2 ; Zhang, Yunhui 2 ; Li, Xiangrui 2 ; Li, Guangk 1 ;
作者机构： 1.Shenyang Agr Univ, Coll Plant Protect, Shenyang 110866, Peoples R China
2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
3.Henan Inst Sci & Technol, Sch Resource & Environm Sci, Xinxiang 453003, Henan, Peoples R China
4.Minist Agr & Rural Affairs, Inst Plant Protect, Xinjiang Acad Agr Sci, Key Lab Integrated Pest Management Crop Northwest, Urumqi 830091, Peoples R China
5.Xinjiang Acad Agr Sci, Res Inst Grain Crops, Urumqi 830091, Peoples R China
关键词： Metopolophium dirhodum; insecticide sensitivity; neonicotinoids; pyrethroids; correlation analysis
期刊名称：AGRONOMY-BASEL （ 影响因子：3.417； 五年影响因子：3.64 ）
ISSN：
年卷期： 2021 年 11 卷 8 期
页码：
收录情况： SCI
摘要： Insect pests are primarily controlled by insecticides. However, the sensitivity decreases and insecticide resistance is problematic for the effective management of agriculturally important insects, including Metopolophium dirhodum, which is an aphid that commonly feeds on cereals. The insecticide sensitivity status and potential resistance of M. dirhodum field populations remain relatively unknown. In this study, the susceptibility of 19 M. dirhodum populations from seven provinces in Northern China to neonicotinoids, pyrethroids, organophosphates, and a macrolide (abamectin) was determined in 2017-2019. The results indicated that two populations were highly resistant to thiamethoxam, with a relative resistance ratio (RLR) of 134.03 and 103.03, whereas one population was highly resistant to beta-cypermethrin (RLR of 121.42). On the basis of the RLR, the tested M. dirhodum populations ranging from susceptible to showing moderate levels of resistance to imidacloprid (RLR of 1.50 to 57.29), omethoate (RLR of 1.07 to 18.73), and abamectin (RLR of 1.10 to 25.89), but they were ranging from susceptible to showing tolerance or low levels of resistance to bifenthrin (RLR of 1.14 to 6.02) and chlorpyrifos (RLR of 1.11 to 7.59). Furthermore, a pair-wise correlation analysis revealed a significant correlation between the median lethal concentrations (LC50) for beta-cypermethrin and thiamethoxam, reflecting the cross-resistance between these two insecticides. The data obtained in our study provide timely information about aphid insecticide sensitivity, which may be used to delay the evolution of M. dirhodum insecticide resistance in Northern China.
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