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Plant-Mediated Changes in the Feeding Behavior of an Invasive Whitefly

文献类型： 外文期刊

作者： Liu, Baiming 1 ; Preisser, Evan L. 3 ; Jiao, Xiaoguo 1 ; Pan, Huipeng 1 ; Xie, Wen 1 ; Wang, Shaoli 1 ; Wu, Qingjun 1 ; Z 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Dept Plant Protect, Beijing 100081, Peoples R China

2.Tianjin Acad Agr Sci, Inst Plant Protect, Dept Entomol, Tianjin 300381, Peoples R China

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

关键词： Bemisia tabaci B;host plant isolation;feeding behavior;differentiation;electrical penetration graph

期刊名称：ENVIRONMENTAL ENTOMOLOGY （ 影响因子：2.377； 五年影响因子：2.298 ）

ISSN： 0046-225X

年卷期： 2013 年 42 卷 5 期

页码：

收录情况： SCI

摘要： The invasive whitefly Bemisia tabaci (Gennadius) is a worldwide pest of agricultural crops that feeds on a wide variety of host plants. Although host plant preference is known to vary among B. tabaci biotypes, far less is known about the potential for intraspecific divergence caused by long-term isolation on a single species of host plant. We tested the hypothesis that multigenerational isolation of B. tabaci B, a biotype that has been well-established in China for nearly two decades, on three different host plants would lead to population-level divergence in feeding behaviors. We used individuals from a cabbage-feeding (Brassica oleracea L.) population of B. tabaci B to create three populations reared exclusively on B. oleracea, cucumber (Cucumis sativus L.), or tomato (Lycopersicon esculentum Mill.) for >80 generations. We then used electrical penetration graph techniques to investigate the feeding behavior of the three B. tabaci populations on each of the three host plants (nine total treatments). Across all three host plants, the cabbage-specific population equaled or exceeded the performance of the cucumber-specific (CuSP) and tomato-specific (ToSP) populations. Strikingly, neither CuSP nor ToSP ever had the best feeding performance on their natal hosts. Our results support the hypothesis that feeding differentiation has occurred, but we found no evidence that these changes increased the feeding performance of either CuSP or ToSP. Although confirming that rapid interpopulation divergence is possible, our findings nonetheless suggest that this differentiation did not yield highly adapted populations that might pose problems for future efforts at pest management.

  • 相关文献

[1]Difference in feeding behaviors of two invasive whiteflies on host plants with different suitability: Implication for competitive displacement. Liu, Baiming,Pan, Huipeng,Jiao, Xiaoguo,Xie, Wen,Wu, Qingjun,Wang, Shaoli,Xu, Baoyun,Zhang, Youjun,Liu, Baiming,Yan, Fengming,Chu, Dong,Zhou, Xuguo.

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