摘要
[目的]探讨盐胁迫对大豆种子萌发及α-淀粉酶活性变化的影响。[方法]用不同浓度的NaC l盐溶液处理大豆种子,对大豆种子的发芽率、发芽势、发芽指数和大豆种子萌发过程中淀粉酶活性进行测定分析。[结果]结果表明,NaC l溶液浓度低于60 mmol/L时,对大豆种子的发芽势、发芽指数的影响较小,而NaC l溶液浓度高于90 mmol/L时,对大豆种子的发芽率、发芽势等抑制作用显著增强;发芽第3天大豆的α-淀粉酶活力最高,随着NaC l溶液浓度的增加,α-淀粉酶的活力呈下降趋势。[结论]该研究为大豆种子萌发条件的选择提供科学依据。
[Objective]The purpose of research was to discuss the effects of NaCl stress on seeds germination and α-amylase of soybean . [ Method ] NaCl solutions with defferent concentration were used for saline stress to measure and analyze the seed germination percentage, vigor, index and amylase of soybean by saturating the seeds. [ Result ] The results showed that the germination rate, germination index of the seeds treated with NaCI concentration （ ≤60 mmol/L） was not significantly comparing with control. However, the germination index and germination rate of those seeds which were treated with NaCl solutions at higher concentration （ ≥90 mmol/L） was swelled evidently. The aefiviy of amylase was the highest in the third day and dropped along with the increase of NaCl concentration. [ Conclusion ] This study will provide the scientific basis for choice of soybean seeds germination conditions.
出处
《安徽农业科学》
CAS
北大核心
2009年第2期477-479,共3页
Journal of Anhui Agricultural Sciences
