混合盐引发对水稻种子在逆境条件下发芽及幼苗生理特性的影响

被引：47

作者：

贺长征

胡晋

朱志玉

阮松林

宋文坚

机构：

[1] 浙江大学农学系

[2] 浙江大学农学系浙江杭州

[3] 浙江杭州

来源：

浙江大学学报(农业与生命科学版) | 2002年 / 02期

关键词：

水稻种子; 盐引发; 发芽; 淀粉酶; 脱氢酶; 盐逆境; 低温逆境;

D O I：

暂无

中图分类号：

S511 [稻];

学科分类号：

0901 ;

摘要：

试验研究了混合盐溶液引发处理对水稻加育 94 8种子在低温 (5℃ )和盐胁迫 (0 .5 8% Na Cl)逆境下发芽及幼苗素质的影响 ,分别测定了发芽率 ,发芽指数 ,淀粉酶、过氧化氢酶、根系脱氢酶活性等指标 .结果表明 ,混合盐溶液引发可以提高水稻加育 94 8的抗逆能力 ,在两种逆境下使种子发芽加快 .在低温逆境下 ,α-淀粉酶和根系脱氢酶活性无显著变化 ,β-淀粉酶和过氧化氢酶活性增强 .在盐逆境下 ,α-淀粉酶、β-淀粉酶活性和根系脱氢酶活性显著增强 ,过氧化氢酶活性提高

引用

页码：59 / 62

页数：4

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