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Effects of praseodymium on root growth and morphological characteristics of rice seedlings under cadmium stress
Author(s): 
Pages: 102-107
Year: Issue:  1
Journal: Ecology and Environment

Keyword:  ricecadmiumpraseodymiumroot morphologyroot activity;
Abstract: 为了解稀土镨对镉胁迫下水稻(Oryza sativa L.)根系毒害的缓解效应,以水稻幼苗为实验材料,采用溶液培养方法,研究了50 μmol·L~(-1)镉胁迫下不同浓度镨对水稻幼苗根系鲜质量、形态和根系活力的影响.结果表明,50 μmol·L~(-1)镉胁迫下,水稻根系生长受到明显的抑制,根系鲜质量、根长、根表面积、根体积和根系活力明显降低,且随镉处理时间的延长,抑制程度加重.但镉对根系平均直径...
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