Na+在植物中的有益作用

摘要/Abstract

摘要： 长期以来,人们普遍认为Na＋是造成植物盐害的主要因素。因此,目前对Na＋的研究主要集中在其对植物盐害方面。然而,近年来许多研究表明,虽然高浓度的Na＋对植物有害,但植物的生长也的确需要一定量的Na＋,低浓度的Na＋对植物的生长不仅没有危害,相反还有利于植物的生长。作者从Na＋对植物生长的刺激作用、Na＋对K＋的替代作用、Na＋在植物代谢以及植物抗逆中的生理功能几个方面概述了Na＋在植物生长过程中有益作用。为进一步研究低浓度的Na+在植物生长过程中的生理作用提供参考。

关键词: Na＋, 植物, 生长, 生理作用, 抗逆性

Abstract: For a long time, people always believe that sodium(Na) is a main factor which induces salt stress of plant. So the researches about sodium focus on this aspect now. However, although many results of study in resent years show that high concentration sodium injures plants, plant growth needs certain quantity of sodium. Low concentration sodium can promote plant growth instead of inhibiting it. The paper introduced the advantageous function of sodium in plant growth from aspects of stimulation function, replacing potassium(K) function, physiological function in metabolism and in stress resistance of plants. This paper gives some references for research on physiological function of low concentration sodium in the growth and development of plants.

Key words: Sodium, plant, growth, physiological function, stress resistance

中图分类号:

Q945.78

李三相;周向睿;王锁民*. Na⁺在植物中的有益作用[J]. 中国沙漠, 2008, 28(3): 485-490.

LI San-xiang;ZHOU Xiang-rui;WANG Suo-min. Positive Functions of Sodium in Plants[J]. JOURNAL OF DESERT RESEARCH, 2008, 28(3): 485-490.

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Na⁺在植物中的有益作用

Positive Functions of Sodium in Plants

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