[1]姜霞,任红旭,马占青,等.黑果枸杞耐盐机理的相关研究[J].北方园艺,2012,36(10):19-23.
　JIANG Xia,REN Hong-xu,MA Zhan-qing,et al.Studies on the Physiological Mechanism Underlying Salt Tolerance of Lycium ruthenicum Murr.[J].Northern Horticulture,2012,36(10):19-23.
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黑果枸杞耐盐机理的相关研究

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第36卷 期数: 2012年10期 页码: 19-23 栏目: 出版日期: 2012-10-16
Title:
Studies on the Physiological Mechanism Underlying Salt Tolerance of Lycium ruthenicum Murr.
文章编号:
1001-0009（2012）10-0019-05
作者:
姜霞1; 任红旭2; 马占青3; 郭军战1
1.西北农林科技大学 林学院，陕西 杨凌 712100；
2.中国科学院 植物研究所，北京 100093；
3.兰州大学 生命科学院，甘肃 兰州 730000
Author(s):
JIANG Xia1; REN Hong-xu2; MA Zhan-qing3; GUO Jun-zhan1
1.College of Forestry,Northwest Agriculture and Forestry University,Yangling,Shaanxi 712100;
2.Institute of Botany,The Chinese Academy of Sciences，Beijing 100093;
3.Department of Life Science,Lanzhou University,Lanzhou,Gansu 730000
关键词:
黑果枸杞; NaCl胁迫; 生理机制; 耐盐性
Keywords:
Lycium ruthenicum; NaCl stress; physical index; salt tolerance
分类号:
S 793.9
文献标志码:
A
摘要:
以黑果枸杞幼苗为材料,分别对其进行不同浓度NaCl（0、200、400 mM）处理，以探讨盐胁迫对黑果枸杞幼苗生长及生理特性的影响。结果表明：不同浓度NaCl处理下，根的质膜透性随着处理时间的延长明显增大;400 mM NaCl处理14 d后，黑果枸杞幼苗根、茎、叶中H2O2和MDA的含量与对照相比均无明显差别;不同浓度NaCl处理至第7天时，根中的可溶性糖含量明显下降，而处理至第14天时，根中的可溶性蛋白质含量明显降低。不同浓度NaCl处理下，叶片和茎中的POD活性在处理后第7天与第14天均明显降低，而茎中的APX在处理后第14天亦明显降低。从各生理指标的测定结果来看，黑果枸杞叶片和茎具有较强的耐盐性，而其根部则对盐胁迫的耐受能力则相对较弱。
Abstract:
Lycium ruthenicum seedlings were chosen as test material,effect of different concentration of NaCl (0,200,400 mM )on seedling growth and physiological property of Lycium ruthenicum were studied.The results showed that the values of relative electrolyte leakage in roots increased significantly during the period of NaCl treatment;After NaCl treatment for 14 days,the contents of H2O2 and MDA did not change much as compared with the control;The content of soluble sugars decreased significantly in roots after 7 days of NaCl treatment，while the content of soluble protein declined after 14 days of NaCl exposure;Under different concentrations of NaCl treatment,POD activity in both leaves and stems declined dramatically after 7 and 14 days of treatment.According to the results obtained,the leaves and the stems posses relatively higher salt tolerance，while the root was relatively sensitive to salt stress.

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备注/Memo

第一作者简介：姜霞（198
6-）,女,在读硕士,现主要从事林木遗传育种研究工作。E-mail：jiangxia.396@163.com。责任作者：郭军战（1962-）,男，副教授，现主要从事林木遗传育种研究工作。
基金项目：中国科学院知识创新工程重要方向性资助项目(KSCX2-EW-J-1)。
收稿日期：2012-03-07

更新日期/Last Update: 2014-09-04