|本期目录/Table of Contents|

[1]杨芳,乔岩,金中辉,等.高温胁迫对马铃薯幼苗活性氧代谢及生理特性的影响[J].江苏农业科学,2022,50(11):97-103.
 Yang Fang,et al.Effects of high temperature stress on reactive oxygen species metabolism and physiological characteristics of potato seedlings[J].Jiangsu Agricultural Sciences,2022,50(11):97-103.
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高温胁迫对马铃薯幼苗活性氧代谢及生理特性的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第50卷
期数:
2022年第11期
页码:
97-103
栏目:
遗传育种与耕作栽培
出版日期:
2022-06-05

文章信息/Info

Title:
Effects of high temperature stress on reactive oxygen species metabolism and physiological characteristics of potato seedlings
作者:
杨芳12 乔岩123 金中辉1 李丹12 李茜12 任艺彬12
1.陇东学院农林科技学院,甘肃庆阳 745000;2.陇东旱地作物种质改良及产业化协同创新中心,甘肃庆阳 745000;3.甘肃省陇东生物资源保护利用与生态修复重点实验室,甘肃庆阳 745000
Author(s):
Yang Fanget al
关键词:
马铃薯高温胁迫活性氧抗氧化酶系统渗透调节物质
Keywords:
-
分类号:
S532.01
DOI:
-
文献标志码:
A
摘要:
高温是限制马铃薯生长和稳产的重要环境胁迫因子,研究高温胁迫下马铃薯活性氧代谢及相关生理指标变化,对培育耐热型马铃薯品种(系)具有重要意义。以马铃薯栽培种费乌瑞它为研究对象,进行高温胁迫、正常温度恢复处理,对 O-2· 及H2O2活性进行组织化学定位,检测幼苗抗氧化酶(APX、CAT、POD、SOD)活性、脯氨酸含量和可溶性蛋白含量。结果表明:高温胁迫后,马铃薯幼苗O-2·、H2O2与MDA含量明显提高,4种抗氧化酶活性均增强,可溶性蛋白含量降低,脯氨酸含量升高。解除高温胁迫24 h后,O-2· 及H2O2含量明显降低,POD活性降低,可溶性蛋白恢复正常;抗氧化酶APX、CAT和SOD的活性持续增强,脯氨酸含量保持较高水平。适度高温胁迫能提高马铃薯费乌瑞它耐热性的抗氧化机制,APX、CAT、SOD和脯氨酸可作为耐热性鉴定生理指标,并维持马铃薯对高温胁迫的“胁迫记忆”。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2021-11-29
基金项目:国家自然科学基金地区科学基金(编号:31960441);甘肃省自然科学基金(编号:18JR3RM236);陇东学院博士科研启动基金(编号:XYBY1706)。
作者简介:杨芳(1982—),女,甘肃庆城人,硕士,助理研究员,主要从事马铃薯抗逆生理、遗传育种等研究。E-mail:yangfangmail@foxmail.com。
通信作者:乔岩,博士,副教授,硕士生导师,主要从事马铃薯抗逆生理、遗传育种等研究,E-mail:yanqiao@ldxy.edu.cn;杨芳,硕士,助理研究员,主要从事马铃薯抗逆生理、遗传育种等研究,Email:yangfangmail@foxmail.com。
更新日期/Last Update: 2022-06-05