[1]李向应,韩亚琦,唐宇丹. 槲栎2变种对盐胁迫的响应[J].西北林学院学报,2012,27(06):33-37.
　LI Xiang-ying,HAN Ya-qi,TANG Yu-dan. Physiology Response of Two Varieties of Quercus aliena under Salt Stress[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(06):33-37.
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 槲栎2变种对盐胁迫的响应()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年06期
页码:
33-37
栏目:
出版日期:
2012-11-30

文章信息/Info

Title:
 Physiology Response of Two Varieties of Quercus aliena under Salt Stress
文章编号:
1001-7461(2012)06-0033-05
作者:
 李向应; 韩亚琦; 唐宇丹
 (1. 乌兰察布职业学院，内蒙古 集宁 012000；2. 中国科学院 植物研究所，北京100093)
Author(s):
 LI Xiang-ying;  HAN Ya-qi;  TANG Yu-dan
 (1. Ulanqab Vocationnal College, Jining，Inner Mongolia 012000, China; 2. Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China)
关键词:
 ; 北京槲栎; 锐齿槲栎; 盐胁迫; 生理响应; 离子分布
Keywords:
 ; Quercus aliena var. pekingensis;  Quercus aliena var. acuteserrata;  salt stress;  physiology response;  K+;  Na+ ionic distribution
分类号:
S792.18
文献标志码:
A
摘要:
 采用不同浓度NaCl水溶液处理北京槲栎和锐齿槲栎2年生幼苗，研究盐胁迫条件下2槲栎的生理变化及K+、Na+分布，评价槲栎2变种耐盐性差异，为栎属植物保护和应用提供科学依据。结果表明：基质盐质量浓度1‰~3‰时两槲栎幼苗具一定耐盐性；随盐质量浓度增加，总叶面积、植株鲜重和干重显著降低，叶片质膜相对透性与盐浓度呈正相关；叶片保护酶SOD活性、渗透调节物质脯氨酸和可溶性蛋白含量等显著低于北京槲栎。盐胁迫下2槲栎根系吸收的K+多向茎、叶运输，而Na+主要滞留在根系中，北京槲栎能维持相对较稳定K+含量,K+/Na+比下降幅度相对较小。可见北京槲栎耐盐能力明显优于锐齿槲栎，北京槲栎更适应我国北方地区的园林应用和环境建设。

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