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Lethal and Sublethal Effects of Flupyradifurone on Bemisia tabaci MED (Hemiptera: Aleyrodidae) Feeding Behavior and TYLCV Transmission in Tomato

文献类型： 外文期刊

作者： Liu, Baiming 1 ; Preisser, Evan L. 2 ; Jiao, Xiaoguo 3 ; Xu, Weihong 1 ; Zhang, Youjun 4 ;

作者机构： 1.Tianjin Acad Agr Sci, Inst Plant Protect, Tianjin 300381, Peoples R China

2.Univ Rhode Isl, Dept Biol Sci, Kingston, RI 02881 USA

3.Hubei Univ, Ctr Behav Ecol & Evolut, Sch Life Sci, State Key Lab Biocatalysis & Enzyme Engn, Wuhan 430062, Peoples R China

4.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Dept Entomol, Beijing 100081, Peoples R China

关键词： insecticide; electropenetrograph; Bemisia; TYLCV

期刊名称：JOURNAL OF ECONOMIC ENTOMOLOGY （ 影响因子：2.381； 五年影响因子：2.568 ）

ISSN： 0022-0493

年卷期： 2021 年 114 卷 3 期

页码：

收录情况： SCI

摘要： Pesticides primarily affect target organisms via direct toxicity, but may also alter the feeding behaviors of surviving individuals in ways that alter their effect on host plants. The latter impact is especially important when pests can transmit plant pathogens. The Mediterranean (MED) population of the sweetpotato whitefly Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae) transmits Tomato yellow leaf curl virus (TYLCV), a pathogen that can be economically devastating in field and greenhouse cropping systems. We first assessed the impact of sublethal (LC15) and label concentrations of flupyradifurone, a butenolide-derived insecticide, on the feeding behavior of TYLCV-infected MED on tomato. We next measured the effect of flupyradifurone on plant TYLCV load, vector transmission efficiency, and MED survival. Both the LC15 and label flupyradifurone concentrations dramatically altered MED feeding and caused the near cessation of both salivation and phloem ingestion (necessary for viral transmission and acquisition, respectively). Both concentrations also significantly reduced plant TYLCV load, and the label rate of flupyradifurone sharply decreased TYLCV transmission while killing > 99% of MED. As the first report of pesticide-induced changes in the feeding behavior of viruliferous Bemisia, our findings highlight the potential importance of chemically driven feeding cessation in the control of TYLCV and other Bemisia-transmitted plant pathogens.

  • 相关文献

[1]Sulfoxaflor Alters Bemisia tabaci MED (Hemiptera: Aleyrodidae) Preference, Feeding, and TYLCV Transmission. Liu, Baiming,Yang, Zezhong,Preisser, Evan L.,Jiao, Xiaoguo,Zhang, Youjun. 2021

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