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The Salicylic Acid-Mediated Release of Plant Volatiles Affects the Host Choice of Bemisia tabaci

文献类型： 外文期刊

作者： Shi, Xiaobin 2 ; Chen, Gong 1 ; Tian, Lixia 1 ; Peng, Zhengke 1 ; Xie, Wen 1 ; Wu, Qingjun 1 ; Wang, Shaoli 1 ; Zhou, Xug 1 ;

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

2.Hunan Acad Agr Sci, Inst Plant Protect, Changsha 410125, Hunan, Peoples R China

3.Univ Kentucky, Dept Entomol, Lexington, KY 40546 USA

关键词： Bemisia tabaci;choice test;salicylic acid;plant volatile;plant-insect interaction

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

ISSN： 1422-0067

年卷期： 2016 年 17 卷 7 期

页码：

收录情况： SCI

摘要： The whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) causes serious crop losses worldwide by transmitting viruses. We have previously shown that salicylic acid (SA)-related plant defenses directly affect whiteflies. In this study, we applied exogenous SA to tomato plants in order to investigate the interaction between SA-induced plant volatiles and nonviruliferous B. tabaci B and Q or B- and Q-carrying tomato yellow leaf curl virus (TYLCV). The results showed that exogenous SA caused plants to repel nonviruliferous whiteflies, but the effect was reduced when the SA concentration was low and when the whiteflies were viruliferous. Exogenous SA increased the number and quantity of plant volatilesespecially the quantity of methyl salicylate and -limonene. In Y-tube olfactometer assays, methyl salicylate and -limonene repelled the whiteflies, but the repellency was reduced for viruliferous Q. We suggest that the release of plant volatiles as mediated by SA affects the interaction between whiteflies, plants, and viruses. Further studies are needed to determine why viruliferous Q is less sensitive than nonviruliferous Q to repellent plant volatiles.

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