[1]曹艳玲,卢艳如,刘海燕,等.外源SA浸种对盐胁迫下小油菜幼苗地上部生长及生理特性的影响[J].北方园艺,2017,41(21):1-6.[doi:10.11937/bfyy.20171286]
　CAO Yanling,LU Yanru,LIU Haiyan,et al.Effect of Soaking Seeds With Salicylic Acid on Aerial Growth and Physiological Characteristics of Brassica chinensis L. Seedling Under Salt Stress[J].Northern Horticulture,2017,41(21):1-6.[doi:10.11937/bfyy.20171286]
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外源SA浸种对盐胁迫下小油菜幼苗地上部生长及生理特性的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第41卷 期数: 2017年21 页码: 1-6 栏目: 出版日期: 2017-11-15
Title:
Effect of Soaking Seeds With Salicylic Acid on Aerial Growth and Physiological Characteristics of Brassica chinensis L. Seedling Under Salt Stress
作者:
曹艳玲; 卢艳如; 刘海燕; 刘凤兰
山西师范大学 生命科学学院，山西 临汾 041000
Author(s):
CAO Yanling; LU Yanru; LIU Haiyan; LIU Fenglan
College of Life Science,Shanxi Normal University,Linfen,Shanxi 041000
关键词:
水杨酸(SA); 盐胁迫; 小油菜; 生长特性; 生理特性
Keywords:
salicylic acid(SA); salt stress; Brassica chinensis L.; growth characteristics; physiological characteristics
DOI:
10.11937/bfyy.20171286
文献标志码:
A
摘要:
以小油菜“五月慢”幼苗为试材，研究了不同浓度外源SA浸种对盐胁迫下小油菜幼苗株高、叶面积、地上部干质量、过氧化物酶（POD）活性和超氧化物歧化酶（SOD）活性等指标的影响，探究外源水杨酸（SA）浸种对盐胁迫下小油菜幼苗地上部分生长及生理特性的影响。结果表明：在相同盐胁迫条件下，不同浓度外源SA浸种各指标均表现出低浓度促进、高浓度抑制现象，其中以1.00 mmol?L-1的SA浸种缓解盐胁迫效果最佳。在同一浸种浓度下，随着盐浓度的增加，株高、叶面积、地上部干质量均呈减少趋势。POD、SOD活性则在50 mmol?L-1盐胁迫下显著升高，随后降低。说明一定浓度SA浸种可以缓解盐胁迫对小油菜幼苗地上部分生长及生理特性的影响。
Abstract:
‘Wu Yueman’ Brassica chinensis L.seedling was used as test material,to explore seedlings height,leaf area,aerial dry weight,POD activity and SOD activity under different salt stress concentration and SA soaking,in order to study the effect of soaking seeds with salicylic acid on aerial growth and physiological characteristics of Brassica chinensis L. seedling under salt stress.The results showed that,under the same salt stress and different concentration of SA,all items showed low improve and high prohibit.The best soaking concentration was 1.00 mmol?L-1.Under the same SA soaking concentration,seedlings height,leaf area and aerial dry weight decreased with salt stress rising.However,the activities of POD and SOD rised under 50 mmol?L-1 salt stress and then decreased.This experiment showed that some concentration of SA soaking could prevent the aerial growth and physiological from salt stress.

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备注/Memo

第一作者简介：曹艳玲（1970-），女，本科，实验师，现主要从事生物学实验教学等研究工作。E-mail:cyl1090@163.com.

责任作者：刘凤兰（1964-），女，硕士，教授，现主要从事植物生理生态等研究工作。E-mail:flliu0514@126.com.
基金项目：2015年校级大学生创新创业训练资助项目（SD2015CXXM-52）；国家自然科学基金资助项目（31272258）。
收稿日期：2017-07-14

更新日期/Last Update: 2017-11-10