Electrophysiological responses of the rice striped stem borer Chilo suppressalis to volatiles of the trap plant vetiver grass (Vetiveria zizanioides L.)

查看全文 作　　者：LU Yan-[1]hui;LIU [1]Kai;ZHENG Xu-[1]song;Lü Zhong-[1]xian

机构地区：[1]State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P.R. China

出　　处：《Journal of Integrative Agriculture》索引2017年第16卷第11期,共9页

基　　金：supported by the National Natural Science Foundation of China(31672050);the National Key Research and Development Program of China(2016YFD0200800-04);the Zhejiang Key Research and Development Program,China(2015C02014) 摘　　要：Vetiver grass(Vetiveria zizanioides L.)was previously found to effectively attract female adults of Chilo suppressalis(Walker),an important pest of rice.To determine the volatile compounds involved in this attraction,electroantennography(EAG)responses to seven synthetic volatiles released from vetiver plants were examined.Our results indicated that the responses of C.suppressalis adult antennae to the different compounds varied widely.The compounds elicited strong EAG responses in female antennae were subsequently selected for further EAG response tests,namely,caryophyllene,β-ocimene,linalool andα-pinene.EAG responses to a combination of these four compounds did not differ significantly from the individual compounds.However,pair combination tests indicated that 0.01μgμL^(–1) linalool and 50μgμL^(–1)α-pinene,50μgμL^(–1) caryophyllene and 0.01μgμL^(–1) linalool,0.01μgμL^(–1)β-ocimene and 0.01μgμL^(–1) linalool,and 0.01μgμL^(–1)β-ocimene and 50μgμL^(–1) caryophyllene elicited significantly greater EAG responses in 3-day female moths compared to the 1-day female.These compound combinations and the corresponding ratios are probably playing an important role in attracting female adults of C.suppressalis to the vetiver grass. 关键词：电生理反应香根草挥发物水稻植物挥发性化合物 EAG反应条纹

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Electrophysiological responses of the rice striped stem borer Chilo suppressalis to volatiles of the trap plant vetiver grass (Vetiveria zizanioides L.)

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