|本期目录/Table of Contents|

[1]王丹,王茹丹,姜静,等.红光预照射对紫花苜蓿幼苗UV-B抗性的影响[J].江苏农业科学,2019,47(16):179-183.
 Wang Dan,et al.Effect of red light pre-irradiation on UV-B resistance of Medicago sativa seedlings[J].Jiangsu Agricultural Sciences,2019,47(16):179-183.
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红光预照射对紫花苜蓿幼苗UV-B抗性的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第16期
页码:
179-183
栏目:
畜牧兽医与水产蚕桑
出版日期:
2019-09-16

文章信息/Info

Title:
Effect of red light pre-irradiation on UV-B resistance of Medicago sativa seedlings
作者:
王丹 王茹丹 姜静 王静 李景原 王太霞
河南师范大学生命科学学院,河南新乡 453007
Author(s):
Wang Danet al
关键词:
紫花苜蓿UV-B辐射光合特性抗氧化SOD活性CAT活性
Keywords:
-
分类号:
Q945.78;S541+.101
DOI:
-
文献标志码:
A
摘要:
为探讨红光预照射对植物UV-B抗性的影响,以紫花苜蓿为材料,以日光灯为对照,设置UV-B、RL-UV、RL-DRL-UV 3种处理。结果表明,与对照相比,UV-B辐照对紫花苜蓿的光合特性和光合色素都有一定的抑制作用,并使紫外吸收物质含量增加,抗氧化酶(SOD、CAT)活性升高;在UV-B辐照之前增加红光(RL)预辐照处理,紫花苜蓿的光合特性和光合色素含量均有所升高,紫外吸收物质的含量降低,抗氧化酶的活性升高,说明红光预辐射能够缓解UV-B辐照对紫花苜蓿造成的损伤,增强其对UV-B辐照的抗性;而进一步增加远红光的辐射处理后,红光对苜蓿幼苗的保护作用消失。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2018-04-04
基金项目:国家自然科学基金(编号:31270225、U1504316);河南省教育厅项目(编号:15A180015);河南省高校重点项目(编号:16A180045);河南师范大学青年科学基金(编号:2014QK19、2015QK16)。
作者简介:王丹(1981—),女,河南南阳人,博士,讲师,主要从事植物发育及分子生物学研究。E-mail:wangdanlx@126.com。
通信作者:王太霞,博士,教授,主要从事药用植物学研究。E-mail:1273739598@qq.com。
更新日期/Last Update: 2019-08-20