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山薯试管零余子形成过程中几种内源激素的变化
引用本文:严华兵,杨丽涛,董伟清,闭志强,李杨瑞.山薯试管零余子形成过程中几种内源激素的变化[J].广西农业科学,2010,41(9):893-896.
作者姓名:严华兵  杨丽涛  董伟清  闭志强  李杨瑞
作者单位:1. 广西农业科学院生物技术研究所,南宁,530007
2. 广西大学农学院,南宁,530005
3. 广西农业科学院,南宁,530007
基金项目:广西科技攻关项目,广西农业科学院基本科研业务专项项目,广西大学博士创新基金项目 
摘    要:以"桂淮2号"优良山薯品种为研究对象,利用酶联免疫检测(ELISA)技术研究山薯试管零余子形成过程中内源激素的变化。结果表明,在试管零余子形态建成过程中,内源GA3、ABA、IAA、ZR和JA含量均在培养第20d明显上升,20~40d期间有不同程度的下降。在培养后期,ABA、IAA、ZR和iPA含量逐渐上升,而GA3含量逐渐降低。内源激素间的平衡水平也呈现出一定规律性变化,ABA/GA3、ZR/GA3和iPA/GA3表现为培养0~20d先降低、后期持续上升的趋势,而IAA/GA3、JA/GA3从起始培养开始呈逐渐上升的趋势。

关 键 词:山薯  试管零余子  内源激素

Changes in several endogenous hormones during in vitro formation of Dioscorea fordii Prain et Burk bulbils
YAN Hua-bing,YANG Li-tao,DONG Wei-qing,BI Zhi-qiang,LI Yang-rui.Changes in several endogenous hormones during in vitro formation of Dioscorea fordii Prain et Burk bulbils[J].Guangxi Agricultural Sciences,2010,41(9):893-896.
Authors:YAN Hua-bing  YANG Li-tao  DONG Wei-qing  BI Zhi-qiang  LI Yang-rui
Institution:YAN Hua-bing1,YANG Li-tao2,DONG Wei-qing1,BI Zhi-qiang1,LI Yang-rui3*(1 Bio-technology Research Institute,Guangxi Academy of Agricultural Sciences,Nanning 530007,China,2 Agricultural College,Guangxi University,Nanning 530005,3 Guangxi Academy of Agricultural Sciences,China)
Abstract:The present experiment has been conducted to study the changes in several endogenous hormones during the in vitro formation of Dioscorea fordii Prain et Burk(variety Guihuai 2) bulbils using ELISA.The results showed a significant increase in GA3,ABA,IAA,ZR and JA contents at the 20th day of culture,followed by a decrease from 20-40th day.During the late stage of culture,contrary to GA3 content,ABA,IAA,ZR and iPA contents increased gradually.The balance among different endogenous hormones also changed regula...
Keywords:Dioscorea fordii Prain et Burk  bulbil in vitro  endogenous hormone  
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