文献类型： 外文期刊
作者： Li, Xinan 1 ; Wang, Chao 2 ; Li, Qiuchi 2 ; Zhu, Saige 2 ; Tian, Xujun 2 ; Zhang, Yunhui 2 ; Li, Xiangrui 2 ; Gao, Haifen 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Plant Protect, State Key Lab Ecol Pest Control Fujian & Taiwan C, Fuzhou 350002, Fujian, Peoples R China
2.Inst Plant Protect, Chinese Acad Agr Sci, 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.Inst Plant Protect, Xinjiang Acad Agr Sci, Key Lab Integrated Pest Management Crop Northwes, Minist Agr & Rural Affairs, Urumqi 830091, Peoples R China
关键词： insecticide resistance; sulfoxaflor; toxicity difference; wheat aphid
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 11 期
页码：
收录情况： SCI
摘要： Sulfoxaflor belongs to a new class of insecticides which are effective against many sap-feeding pests. Sitobion miscanthi, Rhopalosiphum padi, and Metopolophium dirhodum are the predominant pests coexisting on wheat plants. It is unknown whether these aphid species have developed resistance to sulfoxaflor. Here, the susceptibilities of three wheat aphid species from different regions of China to sulfoxaflor were evaluated. The results showed that two S. miscanthi, one R. padi, and two M. dirhodum field populations were highly resistant to sulfoxaflor. Additionally, 13 S. miscanthi, 9 R. padi, and 4 M. dirhodum field populations were moderately resistant to sulfoxaflor. Analysis of differences in toxicity showed that the susceptibility levels of R. padi in 9 of 20 regions, M. dirhodum in 5 of 9 regions, and M. dirhodum in 3 of 9 regions to sulfoxaflor were greater than those of S. miscanthi, S. miscanthi, and R. padi in the same regions, respectively. Thus, each wheat aphid species has field populations that are highly sulfoxaflor resistant. The R. padi and M. dirhodum populations were more susceptible to sulfoxaflor than those of S. miscanthi. These findings provide new insights into insecticide resistance development and rational sulfoxaflor use.
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