盐胁迫对小麦幼苗生长和保护酶活力的影响

目的]探究盐胁迫对小麦幼苗生长及保护酶活力的影响。方法]用80 mmol/L Na Cl溶液处理小麦种子,研究盐胁迫对小麦幼苗生长及保护酶活力的影响。结果]随着处理时间的延长,盐胁迫组小麦幼苗根长、芽长和组织含水量均低于对照组。盐胁迫组小麦叶片中叶绿素含量和可溶性蛋白含量均高于对照组。盐胁迫组过氧化氢酶(CAT)、苯丙氨酸解氨酶(PAL)、过氧化物酶(POD)、脂氧合酶(LOX)的活力大多高于对照组。结论]该研究可为生产中小麦栽培技术的改进提供理论依据。

Effects of Salt Stress on Seedling Growth and Activities of Protective Enzymes in Wheat Seedlings

Objective] To study the effects of salt stress on seedling growth and activities of protective enzymes in wheat seedlings . Method] Wheat seeds were treated with 80 mmol/L NaCl solution to study the effects of salt stress on seedling growth and activities of protective enzymes in wheat seedlings.Result] With prolonging of treatment time, the root length, bud length and water content of wheat seedlings in salt stress group were all lower than that in control group.The chlorophyll content and soluble protein content in the leaves of wheat seedlings in salt stress group were higher than that in control group.The activities of CAT, PAL, POD, LOX in salt stress group were mostly higher than those in control group.Conclusion] The research can provide theoretical basis for improving the cultivation technology of wheat in the production.