引用本文:[点击复制]
[点击复制]
【打印本页】【下载PDF全文】 查看/发表评论下载PDF阅读器关闭

←前一篇|后一篇→

过刊浏览    高级检索

本文已被:浏览次   下载 本文二维码信息
码上扫一扫!
甜荞根系分泌物的化感作用研究
黄凯丰,胡丽雪,饶庆琳,宋毓雪,陈庆富
0
(贵州师范大学生命科学学院植物遗传育种研究所,贵阳 550001)
摘要:
以甜荞品种“丰甜1号”为试验材料,研究其不同浓度的根系分泌物对自身的化感作用。结果表明,低浓度的根系分泌物处理能在一定程度上促进“丰甜1号”叶片POD和CAT酶活性、叶绿素含量及根系活力的增加,随处理浓度的进一步增加而显著下降;丙二醛、脯氨酸含量和细胞膜透性随处理浓度的增加而显著增加;DNA的提取量及DNA的增色效应均随处理浓度的增加而显著下降。
关键词:  甜荞  根系分泌物  化感作用
DOI:
投稿时间:2012-03-29
基金项目:贵州省科学技术基金(黔科合J字[2009]2108号), 国家自然科学基金项目(31060207, 31171609), 贵州省农业攻关项目(黔科合NY字[2010] 3094), 国家“十二五”现代农业产业体系荞麦育种岗位科学家专项基金(CARS08A4)和贵州省科技知名专家团队项目(黔科合人才团队[2011]4007)共同资助。
Allelopathic effect of common buckwheat root exudates
HUANG Kai-feng,HU Li-xue,RAO Qin-lin,SONG Yu-xue,CHEN Qing-fu
(Institute of Plant Genetics and Breeding, School of Life Science, Guizhou Normal University, Guiyang 550001)
Abstract:
Allelopathy on the growth of Fengtian 1 treated with different concentrations of root exudates was explored in this paper. The results showed that POD (peroxide) and CAT (catalase) activities, chlorophyll content and the root activity were increased when treated with low concentration of root exudates, while they were decreased when increasing the concentration of root exudates. MDA (methane dicarboxylic aldehyde), proline content and the membrane permeability were increased with the increase of the concentration of root exudates. However, amount of extracted DNA and hyperchromicity were decreased when increasing the concentration of root exudates.
Key words:  common buckwheat  root exudates  allelopathy

用微信扫一扫

用微信扫一扫