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NaCl胁迫对玉米种子萌发的抑制及外源Ca~(2+)的缓解效应

DOI: 10.3321/j.issn:1000-7091.1996.04.018, PP. 89-92

Keywords: NaCl胁迫,玉米种子,萌发,&alpha,-淀粉酶

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Abstract:

在NaCl胁迫下,玉米种子在萌发过程中种子内Na+含量大量增加,Ca2+含量显着减少,种子内α-淀粉酶活性降低,导致玉米种子萌发率降低,萌发期延迟。外加Ca2+使NaCl胁迫下玉米种子内α-淀粉酶活性升高,并提高种子萌发率。

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