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NaCl和Na2SO4胁迫对玉米幼苗保护酶活性的影响 总被引:1,自引:0,他引:1
The effect of different NaCl and Na2SO4 stress on the growing and protective enzyme of maize seedling.The results showed that NaCl and Na2SO4 all injured to maize seedling.Protective enzyme of maize grown in NaCl were higher than grown in Na2SO4.And the suppress of maize seedling growing in NaCl was higher than in growing in Na2SO4.All these indicated that the injuring of maize growing in NaCl were higher than growing in Na2SO4. 相似文献
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钙对NaCl胁迫下玉米幼苗保护酶活性等生理特性的影响 总被引:1,自引:0,他引:1
采用水培法研究了不同浓度钙对盐胁迫下玉米幼苗生长、叶绿素含量、游离氨基酸含量及保护酶活性等生理特性的影响。结果表明适量的Ca2 (4 mmol/L)供应能有效促进玉米生长,抑制叶绿素含量降低,降低细胞膜透性,提高玉米叶片和根系中的SOD和POD活性,随着Ca2 浓度增加根系中CAT活性增加,叶片CAT活性有所下降。增加Ca2 浓度,根系中游离氨基酸含量和可溶性蛋白含量呈现出先升高(2~4 mmol/L)后降低(6mmol/L)趋势,叶片中可溶性蛋白含量随Ca2 浓度增加而降低。表明适量的Ca2 供应可提高玉米幼苗耐盐性。 相似文献
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