|本期目录/Table of Contents|

[1]毕云飞,苏小俊,蒋芳玲,等.外源水杨酸对高温胁迫下甘蓝幼苗生长及生理特性的影响[J].江苏农业科学,2015,43(08):133-138.
 Bi Yunfei,et al.Effects of exogenous salicylic acid on growth and physiological characteristics of cabbage seedlings under the stress of high temperature[J].Jiangsu Agricultural Sciences,2015,43(08):133-138.
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外源水杨酸对高温胁迫下甘蓝幼苗生长
及生理特性的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年08期
页码:
133-138
栏目:
园艺与林学
出版日期:
2015-08-25

文章信息/Info

Title:
Effects of exogenous salicylic acid on growth and physiological characteristics of cabbage seedlings under the stress of high temperature
作者:
毕云飞12 苏小俊1 蒋芳玲2 吴震2 苏南2 刘勋2
1.江苏省农业科学院蔬菜研究所,江苏南京 210014; 2.南京农业大学园艺学院,江苏南京 210095
Author(s):
Bi Yunfeiet al
关键词:
水杨酸高温胁迫甘蓝幼苗生长指标生理特性
Keywords:
-
分类号:
S635.01
DOI:
-
文献标志码:
A
摘要:
为探讨外源水杨酸对高温胁迫下甘蓝幼苗耐热性的影响,以甘蓝品种启夏和苏甘25号为试验材料,对甘蓝叶片喷施质量浓度为7.5 mg/L和 15 mg/L的水杨酸溶液,以喷施清水为对照,连续喷施4 d后置于高温(昼42 ℃/夜30 ℃)和常温(昼22 ℃/夜15 ℃)下进行处理。结果表明,在生长指标方面,水杨酸可显著促进甘蓝幼苗的根的生长,提高植株的根冠比和启夏的干鲜质量和G值;在生理指标方面,外源水杨酸可以显著提高因高温胁迫而降低的超氧化物歧化酶(SOD)、过氧化物酶(POD)、过氧化氢酶(CAT)和抗坏血酸过氧化物酶(APX)活性,降低因高温而显著升高的丙二醛(MDA)含量、脯氨酸(Pro)含量、过氧化氢(H2O2)含量和电导率。综合来看,水杨酸可以有效地提高甘蓝幼苗的抗热性,浓度以15 mg/L效果较佳。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2015-04-25
基金项目:江苏省农业科技自主创新资金[编号:CX(13)3012];南京农业大学SRT项目(编号:1414A22)。
作者简介:毕云飞(1994—),女,山东淄博人,主要从事蔬菜栽培和育种研究。E-mail:517702994@qq.com。
通信作者:苏小俊,博士,研究员,主要从事瓜类和十字花科蔬菜遗传育种研究。Tel:(025)84391259;E-mail:xiaojunsu@yahoo.com。
更新日期/Last Update: 2015-08-25