[1]张环宇.盐胁迫下外源激素对黄瓜幼苗生理特性的影响[J].黑龙江农业科学,2018,(03):38-41.[doi:10.11942/j.issn1002-2767.2018.03.0038]
　ZHANG Huan-yu.Effects of Exogenous Hormone on Physiological Characteristics of Cucumber Seedling Under Salt Stress[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(03):38-41.[doi:10.11942/j.issn1002-2767.2018.03.0038]
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盐胁迫下外源激素对黄瓜幼苗生理特性的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2018年03期 页码: 38-41 栏目: 出版日期: 2018-03-10
Title:
Effects of Exogenous Hormone on Physiological Characteristics of Cucumber Seedling Under Salt Stress
作者:
张环宇
哈尔滨市农业科学院，黑龙江 哈尔滨 150026
Author(s):
ZHANG Huan-yu
Harbin Academy of Agriculture Science,Harbin 150026，China
关键词:
盐胁迫; 外源激素; 黄瓜
Keywords:
salt stress;  exogenous hormone;  cucumber
DOI:
10.11942/j.issn1002-2767.2018.03.0038
文献标志码:
A
摘要:
为了解决黄瓜设施生产中由于土壤次生盐渍化导致的连作障碍问题，以黄瓜品种哈研3号为材料，在三叶一心时期，使用225 mmol?L-1的NaCl溶液进行处理，模拟盐胁迫环境。喷施SA、ABA及GA，研究外源激素对黄瓜幼苗耐盐性的影响。结果表明:盐胁迫能使黄瓜幼苗细胞膜透性显著增加，叶绿素含量下降，丙二醛含量增加，SOD和POD酶活性增加，而喷施外源激素SA、ABA及GA进行处理，能有效减缓相对电导率、叶绿素含量和丙二醛含量的变化，同时增加POD酶和SOD酶的活性。
Abstract:
In order to solve the problem of continuous cropping obstacle caused by soil secondary salinization in cucumber facility production,‘Hayan No.3’ was treated with NaCl solution （225 mmol?L -1 ）during the three-leaf period.The effects of exogenous hormones on salt tolerance of cucumber seedlings were studied by spraying SAG ,ABA and GA.The results showed that salt stress could significantly increase cell membrane permeability and decrease chlorophyll content in cucumber seedlings.The content of malondialdehyde increased and the activity of Sod and POD increased,but spraying exogenous hormones such as POD and GA could effectively slow down the changes included relative conductance,chlorophyll content and malondialdehyde content,and increased the activity of POD enzyme and SOD enzyme at the same time.

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备注/Memo

收稿日期：2017-12-13作者简介：张环宇（1985-），女，硕士，农艺师，从事黄瓜育种研究。E-mail：hy_zhang1985@163.com。

更新日期/Last Update: 2018-05-08