Differences in host selection and performance between B and Q putative species of Bemisia tabaci on three host plants
文献类型: 外文期刊
第一作者: Jiao, Xiaoguo
作者: Jiao, Xiaoguo;Xie, Wen;Wang, Shaoli;Wu, Qingjun;Pan, Huipeng;Liu, Baiming;Zhang, Youjun;Jiao, Xiaoguo
作者机构:
关键词: oviposition preference;host suitability;competitive displacement;Hemiptera;Aleyrodidae;Brassic
期刊名称:ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA ( 影响因子:2.25; 五年影响因子:2.184 )
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收录情况: SCI
摘要: B and Q are two putative species of the Bemisia tabaci complex (Hemiptera: Aleyrodidae), and are among the most invasive and destructive pests of crops and horticultural plants worldwide. In China, Q predominates and is displacing B. Although researchers have proposed that the higher capacity of Q to utilize host plants plays an important role in its replacement of B, there are few relevant field surveys and experimental studies. The difference in host assessment between B and Q in multiple-choice rather than in no-choice situations may be essential to understanding the displacement. Here, we compared settling and oviposition preferences, and adult and nymph performance, for the putative species B and Q of the B.tabaci complex on three common host species: poinsettia [Euphorbia pulcherrima Wild. ex Klotsch (Euphorbiaceae)], cotton [Gossypium hirsutum L. (Malvaceae)], and cabbage [Brassica oleracea L. (Brassicaceae)]. Although the preferred hosts for settling and oviposition were the same as those that supported maximum fitness (adult longevity, fecundity, and nymph survivorship), these hosts differed between B and Q. When given a choice, B preferred to settle and oviposit on cabbage over poinsettia and cotton, whereas Q preferred to settle and oviposit on poinsettia and cotton over cabbage. In a no-choice experiment, adult longevity, fecundity, and nymphal survival for B were greater on cabbage than on poinsettia and cotton, but the opposite was true for Q.
分类号: Q96
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