干旱胁迫及复水条件下刺槐(Robinia pseudoacacia L)苗木水分运输过程中的补偿现象

Journal of Arid Land Resources and Environment(2015)

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Abstract
以盆栽两年生剌槐苗木为材料,测定了干旱及复水处理条件下剌槐苗木水分运输过程参数.结果表明:1)干旱胁迫对刺槐苗木体内水分运输过程影响显著;2)复水24h后,刺槐苗木体内水分运输过程参数有不同程度恢复.恢复度与苗木生理活性水平和干旱胁迫程度直接相关;3)复水24h后,刺槐苗木水分运输过程存在明显补偿现象.故应加强在干旱胁迫条件下林木的补偿效应研究,这对于节水林业和生态环境的保护都具有重要意义.
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Key words
black locust,drought,water transportation process,seedlings
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