|本期目录/Table of Contents|

[1]陈罡,管安琴,万云龙,等.外源5-氨基乙酰丙酸(ALA)对盐胁迫下小型西瓜幼苗抗氧化酶活性的影响[J].江苏农业科学,2016,44(06):252-255.
 Chen Gang,et al.Effects of exogenous 5-aminolevulinic acid on activities of antioxidant enzymes in mini-watermelon seedlings under salt stress[J].Jiangsu Agricultural Sciences,2016,44(06):252-255.
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外源5-氨基乙酰丙酸(ALA)对盐胁迫下
小型西瓜幼苗抗氧化酶活性的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年06期
页码:
252-255
栏目:
园艺与林学
出版日期:
2016-06-25

文章信息/Info

Title:
Effects of exogenous 5-aminolevulinic acid on activities of antioxidant enzymes in mini-watermelon seedlings under salt stress
作者:
陈罡 管安琴 万云龙 冯伟民 樊平声 卢昱宇
江苏省农业科学院蔬菜研究所,江苏南京 210014
Author(s):
Chen Ganget al
关键词:
小型西瓜5-氨基乙酰丙酸(ALA)盐胁迫抗氧化酶活性
Keywords:
-
分类号:
S651.01
DOI:
-
文献标志码:
A
摘要:
以耐盐性较弱的小型西瓜品种秀丽2号为材料,采用营养液栽培法,研究了外源5-氨基乙酰丙酸(ALA)对NaCl胁迫下西瓜幼苗叶片、根系中超氧阴离子( O-2· )产生速率、丙二醛(MDA)含量、相对电导率和抗氧化酶活性的影响。结果表明,100 mmol/L NaCl处理下,西瓜幼苗叶片、根系中 O-2· 产生速率、MDA含量和相对电导率均显著升高;而1.25 mmol/L外源ALA处理显著提高NaCl胁迫下西瓜幼苗叶片、根系超氧化物歧化酶(SOD)、过氧化物酶(POD)和过氧化氢酶(CAT)等抗氧化酶活性,显著降低了 O-2· 产生速率、MDA含量和相对电导率。这些结果表明,外源ALA处理可有效清除体内活性氧,降低膜脂过氧化伤害程度,从而缓解盐胁迫对植株生长的抑制,进而有助于增强西瓜植株对盐胁迫的耐受性。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2015-08-13
基金项目:江苏省农业科技自主创新资金[编号:CX(13)5014]。
作者简介:陈罡(1982—),男,安徽颍上人,博士,助理研究员,主要从事蔬菜栽培生理与生物技术研究。Tel:(025)84391293;E-mail:chengang2891@163.com。
通信作者:冯伟民,研究员,主要从事蔬菜无公害栽培技术研究。E-mail:fweimin@126.com。
更新日期/Last Update: 2016-06-25