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缺硫条件下油菜对镉毒害的敏感性

DOI: 10.7685/j.issn.1000-2030.2003.04.013, PP. 56-59

Keywords: ,缺硫,油菜

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Abstract:

研究了不同浓度(0,10,20,30和40μmol?L-1)镉对油菜油研8号在缺硫和供硫状态下的毒害作用。结果表明镉促进油菜对硫的吸收,缺硫则加重镉对植株的毒害;缺硫处理阻碍了镉向地上部的运输,而使根部镉的积累量增加;在地上部和根部,镉均以蛋白质结合态占优势,缺硫处理可增加地上部和根部蛋白质结合态镉的量。

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