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《Journal of Henan Agricultural Sciences》 2018-07
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Comparison of Apolygus lucorum Resistance and Volatile Constituents in Different Tea Cultivars

YANG Chun;CHEN Zhengwu;GUO Yan;QIAO Dahe;LI Shuai;MENG Zehong;Tea Research Institute,Guizhou Academy of Agricultural Sciences;  
Field investigation and laboratory detection( HS-SPME-GC/MS) were made to ascertain the correlation of volatile constituents of tea shoots and tea resistance to Apolygus lucorum( Meyer-Dür.). Result showed that A. lucorum damage indexes on four tea cultivars in the same tea garden were extremely significantly different,Taixuan 0310 showed resistance,and Huangjinya was susceptible. The compositions of volatile components in tea shoots of different tea cultivars were also different. The main volatile substances in Taixuan 0310 were linalool and its oxides,geraniol,methyl salicylate. Furthermore,more terpene hydrocarbons were detected in the shoots of Taixuan 0310 compared to the other three cultivars. The shoots of Huangjinya contained more hexanal,Z-3-hexenal and hexanol. Correlation analysis between the relative content of volatiles and the damage index of A. lucorum on tea trees showed that the content of terpenic alcohols was positively correlated with the tea tree resistance to A. lucorum,while the hexanol played the opposite role.
【Fund】: 国家现代农业(茶叶)产业技术体系建设专项资金项目(CARS-19);; 贵州省科技计划项目(黔科合NY[2015]2011-2号 黔科合平台人才[2017]5717号);; 贵阳市与贵州省农业科学院农业科技合作项目(院地农科合字[2014]8号);; 贵州省农业科学院自主创新科研专项(黔农科院自主创新科研专项字[2014]009号)
【CateGory Index】: S435.711
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