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外源钙对盐胁迫下菠菜生理特性的影响(3)

人气指数: 发布时间:2015-03-20 10:50  来源:http://www.zgqkk.com  作者: 刘丽等
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  4 小结
  采用外源Ca2+诱导后可显著促进盐胁迫下菠菜的生长,减轻盐害,增加植株干重及鲜重,显著增加壮苗指数,显著提高叶绿素、可溶性蛋白质与游离脯氨酸含量,提高细胞保护酶SOD和POD活性,显著降低菠菜叶片中MDA含量,减轻盐胁迫对叶片膜脂过氧化的程度。其中,30 mmol/L的CaCl2诱导处理在提高菠菜抗盐性上效果较好。
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