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Difference in feeding behaviors of two invasive whiteflies on host plants with different suitability: Implication for competitive displacement

文献类型： 外文期刊

作者： Liu, Baiming 1 ; Yan, Fengming 3 ; Chu, Dong 4 ; Pan, Huipeng 1 ; Jiao, Xiaoguo 1 ; Xie, Wen 1 ; Wu, Qingjun 1 ; Wang, Sh 1 ;

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

2.Tianjin Acad Agr Sci, Inst Plant Protect, Tianjin 300112, Peoples R China

3.Henan Agr Univ, Coll Plant Protect, Zhengzhou 450002, Henan, Peoples R China

4.Qingdao Agr Univ, Coll Agron & Plant Protect, Qingdao 2

关键词： Bemisia tabaci;Competitive displacemen;DC-EPG;Feeding behavior;Host suitability

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES （ 影响因子：6.58； 五年影响因子：6.478 ）

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收录情况： SCI

摘要： In China, Bemisia tabaci Q (commonly known as biotype Q) has rapidly displaced B (commonly known as biotype B) in the past 6 years. The mechanisms underlying such phenomenon have been studied extensively in recent years; however, we have not come to a definitive con-clusion yet. In the present study, the differences in host suitability between B and Q whitefly adults to five host plants (cabbage, cotton, cucumber, poinsettia, and tomato) were evaluated based on their respective feeding behaviors using a direct-current electrical penetration graph (DC-EPG) system. Pair-wise comparisons of B. tabaci B and Q feeding on each of the five host plants clearly indicate that Q feeds better than B on tomato, cotton and poinsettia, while B feeds better than Q on cabbage and cucumber. The EPG parameters related to both phloem and non-phloem phases confirm that cabbage and cucumber are best suited to B, while to-mato, cotton, and poinsettia are best suited to Q. Our present results support the contention that host suitability and adult feeding behavior contribute to the competitive displacement of biotype B by biotype Q. The discrepancy between field (previous studies) and laboratory results (this study), however, suggests that 1) whitefly displacement is apparently contributed by multiple factors; and 2) factor(s) other than the host plant suitability may play a vital role in dictating the whitefly biotypes in the field.

  • 相关文献

[1]Plant-Mediated Changes in the Feeding Behavior of an Invasive Whitefly. Liu, Baiming,Jiao, Xiaoguo,Pan, Huipeng,Xie, Wen,Wang, Shaoli,Wu, Qingjun,Zhang, Youjun,Liu, Baiming,Preisser, Evan L.. 2013

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