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Plants adapt to salt adversity
Author(s): 
Pages: 7-10
Year: Issue:  6
Journal: BULLETIN OF BIOLOGY

Keyword:  陆生植物稀盐泌盐拒盐渗透调节海洋植物;
Abstract: 主要讨论植物是如何对盐渍环境适应的.盐渍环境对植物产生两种胁迫因子--渗透胁迫和离子胁迫,前者使植物吸水困难,后者对植物代谢生理功能产生毒害.植物要适应盐渍环境必须具备克服这两胁迫的能力.陆生植物对盐渍环境的适应方式在克服盐离子毒害方面主要有3种:稀盐、泌盐和拒盐;在克服渗透胁迫方面主要是渗透调节.海洋植物的适应方式则较为复杂,既要适应盐渍环境,又要适应水环境.
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