Salicylhydroxamic acid (SHAM) negatively mediates tea herbivore-induced direct and indirect defense against the tea geometrid Ectropis obliqua
文献类型: 外文期刊
作者: Xin, Zhaojun;Zhang, Zhengqun;Chen, Zongmao;Sun, Xiaoling;Xin, Zhaojun;Chen, Zongmao;Sun, Xiaoling
作者机构:
关键词: Tea;Salicylhydroxamic acid;Jasmonic acid;Green leaf volatiles;Ectropis obliqua;Herbivore-induced plant volatiles
期刊名称: JOURNAL OF PLANT RESEARCH
ISSN:
年卷期:
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收录情况: SCI
摘要: We investigated the effect of the SHAM treatment of tea plants on their induced defense on a tea geometrid (TG), Ectropis obliqua Prout. Treatment of tea leaves with SHAMreduced the performance of TG and TG-elicited level of the lipoxygenase gene CsiLOX1 and the putative allene oxide synthase gene CsiAOS1. The release of wound-induced green leaf volatiles (GLVs) and the expression of the hydroperoxide lyase (HPL) gene CsiHPL1 were also reduced by SHAM treatment. The negative effect of SHAM dramatically reduced the total hebivore-induced plant volatiles (HIPVs) and the attractiveness to the parasitoid wasp Apanteles sp. These results indicated that SHAM may negatively mediate tea defense response against TG by modulating the wound-induced emission of GLVs, the expression of genes involved in oxylipin pathway, and the emission of other HIPV compounds that mediate direct and indirect defenses.
分类号: Q94
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