|本期目录/Table of Contents|

[1]杨永恒,黄苏珍.NaCl胁迫下甜菊不同耐盐性单株的生长及生理响应[J].江苏农业科学,2013,41(08):87-90.
 Yang Yongheng,et al.Growth and physiological response of Stevia rebaudiana Bertoni plants with different salt tolerance under salt stress[J].Jiangsu Agricultural Sciences,2013,41(08):87-90.
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NaCl胁迫下甜菊不同耐盐性单株的生长及生理响应(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第41卷
期数:
2013年08期
页码:
87-90
栏目:
育种栽培与生理生化
出版日期:
2013-08-25

文章信息/Info

Title:
Growth and physiological response of Stevia rebaudiana Bertoni plants with different salt tolerance under salt stress
作者:
杨永恒 黄苏珍
江苏省中国科学院植物研究所/南京中山植物园,江苏南京 210014
Author(s):
Yang Yonghenget al
关键词:
甜菊NaCl盐胁迫生理响应
Keywords:
-
分类号:
Q945.78
DOI:
-
文献标志码:
A
摘要:
以敏盐甜菊单株E143和耐盐甜菊单株G255为试验材料,采用 NaCl溶液培养,对2种单株在不同浓度NaCl溶液胁迫下的生长、生理变化及Na+、K+含量进行了研究。结果表明,在不同NaCl浓度胁迫下耐盐单株G255的株高、根长的增长以及脯氨酸含量均大于敏盐单株E143,而E143的根冠比大于G255,但二者的含水量和叶绿素含量差异不显著;不同耐盐单株的Na+均主要分布在叶片中。随着NaCl浓度升高,E143植株根、叶中K+含量升高;G255植株K+在对照中主要分布于叶,在30、60、90 mmol/L NaCl胁迫时主要分布于根,当处理浓度升高到120 mmol/L时则主要分布于叶。综合结果表明,耐盐甜菊可能主要通过脯氨酸及离子选择性吸收来调节植物抗盐性。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2013-01-24
基金项目:江苏省科技支撑计划(编号:BE2009322);江苏省南京市科技成果推广项目(编号:200901001)。
作者简介:杨永恒(1985—),女,陕西洋县人,博士研究生,主要从事植物遗传育种研究。E-mail:yyh8576@163.com。
通信作者:黄苏珍,研究员,主要从事植物抗逆种质资源评价研究。E-mail:hsz1959@163.com。
更新日期/Last Update: 2013-08-25