安徽农业科学2016，Vol.44Issue(19)：1-3,7,4.
外源水杨酸浸种对盐胁迫下小油菜幼苗根系生长和生理特性的影响
Effect of Exgo enous Salicylic Aic d on Root Gr owth and Physiological Characteristics of Brassica chinensis L.Seedlings under Salt Stress
摘要
Abstract
Objective ] To study the effect of exogenous salicylic acid on root growth and physiological characteristics of Brassica chinensis L. seedlings under salt stress.[Method ] Wuyue Man seedlings were used as research object and sand culture was used to study the effect of exog-enous salicylic acid on root dry weight, root length, root surface area and the activities of superoxide dismutase ( SOD), and peroxidase (POD) of Brassica chinne sis L.seedlings under salt stress.[Result] During the water soaking of seed, with the increase in salt concentration, root dry weight, root length, and root surface area decreased.At the 50 mmol/L salt, the activities of SOD and POD firstly rose then dropped. Without salt stress, with the increase in soaking concentration, all indicators take on low concentration promotion and high concentration inhi-bition.When the SA soaking concentration is 1.0 mmol/L, the increase amplitude was the greatest and the effect was optimal.Soaking with different SA concentration under salt stress showed different alleviation effects.[ Conclusion] The results of this study can provide scientific ba-sis for Brassica chinensis L.seedling resisting salt stress.关键词
水杨酸/浸种/盐胁迫/小油菜/生理特性Key words
Salicylic acid ( SA)/Seed soaking/Salt stress/Brassica chinensis L./Physiological characteristics分类
农业科技引用本文复制引用
赵海波,卢艳如,龚宜龙,刘海燕,刘凤兰..外源水杨酸浸种对盐胁迫下小油菜幼苗根系生长和生理特性的影响[J].安徽农业科学,2016,44(19):1-3,7,4.基金项目
2015年校级大学生创新创业训练项目（SD2015CXXM－52）。 （）
