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当前位置: 首页 > 文章 > 跗线螨为害致茶树新梢挥发物组成的改变 安徽农业大学学报 2009,36 (4) 137-140
Position: Home > Articles > Changes in composition of volatiles from shoots of Shuyong 808 and Sichuanzhongxiaoye cultivars resulted from damaging by Yellow Mites Journal of Anhui Agricultural University 2009,36 (4) 137-140

跗线螨为害致茶树新梢挥发物组成的改变

作  者：
徐泽;韩宝瑜;邓敏;周孝贵;邬秀宏;谢堃
单  位：
重庆市农业科学院茶叶研究所;中国农业科学院茶叶研究所
关键词：
茶跗线螨;螨害茶梢;茶梢挥发物;水杨酸甲酯;苯甲醛
摘  要：
为探讨西南茶区重要害螨茶跗线螨的为害是否诱导新梢释放挥发性互利素,取重庆和四川大面积种植的大叶种蜀永808和四川中小叶种1芽2叶茶梢,以SDE法抽提香精油,在提取的香精油和乙醚混合液中加入无水硫酸钠,静置,吸除水分,过滤,氮气吹扫浓缩,以GC-MS配合标准样品鉴定组分。从健康的和螨害的蜀永808挥发物中检出24和18个组分,螨害之后,水杨酸甲酯和苯甲醛的含量增为健康的3.29和2.45倍。从健康的和螨害的四川中小叶种挥发物中检出14和20种组分,螨害后水杨酸甲酯含量增为健康的3.09倍,螨害挥发物中检出反,反-α-法尼烯和反-β-罗勒烯。认为螨害改变了新梢挥发物的组成,释放出水杨酸甲酯和苯甲醛等互利素。
译  名：
Changes in composition of volatiles from shoots of Shuyong 808 and Sichuanzhongxiaoye cultivars resulted from damaging by Yellow Mites
作  者：
XU Ze1,HAN Bao-yu2,DENG Min1,ZHOU Xiao-gui2,WU Xiu-hong1,XIE Kun1 (1.Tea Research Institute of Chongqing City Academy of Agricultural Sciences,Yongchuan 402160;2.Tea Research Institute of Chinese Academy of Agricultural Sciences,Hangzhou 310008)
关键词：
Yellow Mite;mite-damaged tea shoots;volatiles from tea shoots;methyl salicylate;benzaldehyde
摘  要：
In order to probe into whether the damaging by Yellow Mite Polyphagotarsonemus latus induces synomones emitted from the fresh tea shoots,the tea shoots with 1 bud and 2 leaves of Shuyong 808 and Sichuanzhongxiaoye cultivars that have been growing on the reach of tea region of Chongqing City and Sichuan Province were plucked.The essential oil in tea shoots was extracted by SDE method,added into anhydrous sodium sulfate for removing water,filtrated,then concentrated by nitrogen flow.The components in the oils were identificated by retention time on GC coupled of Mass spectrum and peak enhancement on co-injection with authentic commercial samples.Twenty-four and eighteen components respective from intact and mite-damaged shoots of Shuyong 808 cultivar were detected.After mite damaging,the contents of methyl salicylate and benzaldehyde increased as much as 3.29 and 2.45 times of the original,respectively.Fourteen and twenty components respective from intact and mite-damaged shoots of Sichuanzhongxiaoye cultivar were detected.After mite damaging,the contents of methyl salicylate increased as much as 3.09 times of the original,and in the mite-damaged shoots E,E-α-farnesene and E-β-ocimene was detected.It is considered that mite damaging alters the composition of volatiles of shoots,and the shoots release synomones,such as methyl salicylate and benzaldehyde.

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