EFFECTS OF TOMATO ZONATE SPOT VIRUS INFECTION ON THE DEVELOPMENT AND REPRODUCTION OF ITS VECTOR FRANKLINIELLA OCCIDENTALIS (THYSANOPTERA: THRIPIDAE)
文献类型： 外文期刊
作者： Zheng, Xue 1 ; Zhang, Jie 1 ; Chen, Yongdui 1 ; Dong, Jiahong 1 ; Zhang, Zhongkai 1 ;
作者机构： 1.Yunnan Acad Agr Sci, Yunnan Prov Key Lab Agr Biotechnol, Biotechnol & Germplasm Resource Inst, Kunming 650223, Peoples R China
期刊名称：FLORIDA ENTOMOLOGIST （ 影响因子：1.425； 五年影响因子：1.595 ）
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收录情况： SCI
摘要： The western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), is the main vector of Tomato Zonate Spot Virus (TZSV) in Yunnan, China. We investigated the life history parameters of F. occidentalis on tomato and pepper leaves either with or without TZSV infection. The total duration of the immature stages of F. occidentalis reared on TZSV-infected leaves was significantly shorter than the total duration of those reared on uninfected leaves. Also the survival rates of the instars and prepupae on TZSV-infected tomato and pepper leaf disks were significantly higher than those on uninfected tomato and pepper leaf disks. The F. occidentalis populations reared on TZSV-infected tomato and pepper leaf disks respectively increased 11.97- and 10.64-fold in 1 generation, while those reared on uninfected tomato and pepper leaf disks increased only 8.10- and 6.45-fold, respectively. These results demonstrated that TZSV infection improved the fitness and host suitability of its vector, F. occidentalis. Also our findings suggest that TZSV-infection is likely to induce larger field populations of F. occidentalis, thereby increasing the probability of TZSV transmission.
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