不同化感水稻品种根系分泌物中萜类化合物的差异分析

应用生态学报 ›› 2005, Vol. 16 ›› Issue (4): 732-736.

不同化感水稻品种根系分泌物中萜类化合物的差异分析

何海斌, 何华勤, 林文雄, 陈祥旭, 贾小丽, 熊君, 沈荔花, 梁义元

福建农林大学, 生物农药与化学生物学教育部重点实验室, 福州 350002

收稿日期:2004-05-28 修回日期:2004-10-02 出版日期:2005-04-15 发布日期:2005-04-15
通讯作者: 林文雄
基金资助:
国家自然科学基金资助项目(30070130)、国家"十五"科技攻关项目(2001BAS09B07)和广东省自然科学基金重点资助项目(021045).

Terpenoids in root exudates of different allelopathic rice varieties

HE Haibin, HE Huaqin, LIN Wenxiong, CHEN Xiangxu, JIA Xiaoli, XIONG Jun, SHEN Lihua, LIANG Yiyuan

Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Agriculture and Forest University, Fuzhou 350002, China

Received:2004-05-28 Revised:2004-10-02 Online:2005-04-15 Published:2005-04-15

摘要/Abstract

摘要： 以强化感水稻品种PI312777和弱化感水稻品种Lemont为供试材料,运用“循环法”收集供试水稻经土壤和石英沙介质后的根系分泌物,并经乙醚萃取,所获萃取物经气相色谱质谱联用仪(GCMS)测试,检索谱图库确定化合物.结果表明,乙醚萃取物中检测到含氧萜类化合物,如柠檬烯氧化物、柠檬烯二氧化物、香芹酮氧化物、香芹醇、雪松醇等,不同品种间含氧萜类化合物种类相似,但在不同介质中的存留方式和数量存在差异.文中还就不同培养方式和品种间萜类化合物的差异作了进一步讨论.

关键词: 水稻, 化感作用, 萜类化合物, 化感物质

Abstract: In this paper,a strong allelopathic rice variety PI312777 and a weak allelopathic rice variety Lemont were used as test materials,and the root exudates of two rice varieties grown in the media of sand and soil were respectively collected by using circulation system approach.The terpenoids in ether-extracts were detected by GC-MS,and characterized by spectrum database.The results showed that some terpenoids such as limonene oxide,limonene dioxide,carvone oxide,carveol,and cedrol were detected in the ether-extracts.Different rice varieties had the similar kinds of terpenoids,but their existing modes and quantities were different.The differences between different various cultural methods and between rice varieties were further discussed.

Key words: Oryza sativa, Allelopathy, Terpenoids, Allelochemicals

中图分类号:

何海斌, 何华勤, 林文雄, 陈祥旭, 贾小丽, 熊君, 沈荔花, 梁义元. 不同化感水稻品种根系分泌物中萜类化合物的差异分析[J]. 应用生态学报, 2005, 16(4): 732-736.

HE Haibin, HE Huaqin, LIN Wenxiong, CHEN Xiangxu, JIA Xiaoli, XIONG Jun, SHEN Lihua, LIANG Yiyuan . Terpenoids in root exudates of different allelopathic rice varieties[J]. Chinese Journal of Applied Ecology, 2005, 16(4): 732-736.

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