Tea green leafhopper, Empoasca vitis, chooses suitable host plants by detecting the emission level of (3Z)-hexenyl acetate
文献类型： 外文期刊
第一作者： Xin, Z. -J.
作者： Xin, Z. -J.;Li, X. -W.;Bian, L.;Sun, X. -L.;Xin, Z. -J.;Li, X. -W.;Bian, L.;Sun, X. -L.
作者机构：
关键词： green leaf volatiles (GLVs);(3Z)-hexenol;(3Z)-hexenyl acetate;tea variety;tea leafhopper
期刊名称：BULLETIN OF ENTOMOLOGICAL RESEARCH （ 影响因子：1.75； 五年影响因子：2.007 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： Green leaf volatiles (GLVs) have been reported to play an important role in the host-locating behavior of several folivores that feed on angiosperms. However, next to nothing is known about how the green leafhopper, Empoasca vitis, chooses suitable host plants and whether it detects differing emission levels of GLV components among genetically different tea varieties. Here we found that the constitutive transcript level of the tea hydroperoxide lyase (HPL) gene CsiHPL1, and the amounts of (Z)-3-hexenyl acetate and of total GLV components are significantly higher in tea varieties that are susceptible to E. vitis (Enbiao (EB) and Banzhuyuan (BZY)) than in varieties that are resistant to E. vitis (Changxingzisun (CX) and Juyan (JY)). Moreover, the results of a Y-tube olfactometer bioassay and an oviposition preference assay suggest that (Z)-3-hexenyl acetate and (Z)-3-hexenol offer host and oviposition cues for E. vitis female adults. Taken together, the two GLV components, (Z)-3-hexenol and especially (Z)-3-hexenyl acetate, provide a plausible mechanism by which tea green leafhoppers distinguish among resistant and susceptible varieties. Future research should be carried out to obtain the threshold of the above indices and then assess their reasonableness. The development of practical detection indices would greatly improve our ability to screen and develop tea varieties that are resistant to E. vitis.
分类号： Q96
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