Han Limei Wang Shuqi Ju Huiyan Yan Fei.GC-MS ANALYSIS ON THE KINDS OF SOYBEAN ROOT EXUDATESEXTRACTEDWITH ADSORPTION RESIN[J].Soybean Science,2003,22(04):301-305.[doi:10.11861/j.issn.1000-9841.2003.04.0301]
吸附树脂提取的大豆根分泌物种类的GC -MS 分析
- Title:
- GC-MS ANALYSIS ON THE KINDS OF SOYBEAN ROOT EXUDATESEXTRACTEDWITH ADSORPTION RESIN
- 文章编号:
- 1000 -9841(2003)04 -0301 -05
- Keywords:
- Soybean ; Root exudates ; GC/MS analysis ; Allelopathy ; Allelopathic compounds ; Adsorption resin
- 分类号:
- S 565.1
- 文献标志码:
- A
- 摘要:
- 采用GC -MS 分析法, 鉴定了XAD -4 吸附树脂连续提取所获得的大豆根分泌物的种类, 并研究了化感物质(邻苯二甲酸)对大豆幼苗生长的化感作用。结果表明:根分泌物连续捕获系统(XAD -4 吸附树脂)获得的根分泌物种类丰富, 主要是长链脂肪酸、苯甲酸及其衍生物, 直链醇、烯醇、酚、酮、苯胺、酯和一些烃类及其衍生物等有机化合物, 其中很多都被报道是化感物质。在一定浓度范围内, 邻苯二甲酸对大豆幼苗生长具有显著的化感抑制作用。表明大豆根分泌物中存在抑制大豆幼苗生长的化感物质, 由此可引发大豆连作障碍。
- Abstract:
- Soybean root exudates extracted with XAD -4 resin were identified by GC -MS method , and the allelopathyof chemical compounds (1 , 2 -benzenedicarboxylic acid)on soybean seedling were inresti-gated in this study .The resultsshowed that root exudates extracted with XAD -4 resin was identified as long -chain fatty acids , benzoic acids andits derivates , straight -chain alcohol , enol , phenol , ketone , ester and some hydrocarbon , most of which were also allelopathiccompounds reported .In certain range of concentrations , the 1 , 2 -benzenedicarboxylic acid significantly inhibitedthe growth of soybean seedlings .The results showed that soybean root exudates contained allelopathic compounds thatinhibited seed germination and seedlings growth , and this might cause soybean continuous cropping barriers .
参考文献/References:
1 王震宇, 王英祥, 陈祖仁.重茬大豆生长发育障碍机制初探[ J] .大豆科学, 1991 , 10(1):31 -36.
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备注/Memo
基金项目:国家“ 九五” 科技攻关重中之重项目(G95 -001-05)资助。