[1]韩霜.不同光照强度对菊花形态和抗氧化系统的影响[J].北方园艺,2014,38(22):76-79.
　HAN Shuang.Effect of Morphology and Antioxidants of Chrysanthemum Under Different Light Regimes[J].Northern Horticulture,2014,38(22):76-79.
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不同光照强度对菊花形态和抗氧化系统的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第38卷 期数: 2014年22期 页码: 76-79 栏目: 出版日期: 2014-11-30
Title:
Effect of Morphology and Antioxidants of Chrysanthemum Under Different Light Regimes
文章编号:
1001-0009（2014）22-0076-04
作者:
韩霜
商丘师范学院 生命科学学院，植物与微生物互作重点实验室，河南 商丘 476000
Author(s):
HAN Shuang
Key Laboratory of Plant-Microbe Interactions,Department of Life Science,Shangqiu Normal University,Shangqiu,Henan 476000
关键词:
菊花; 形态; 活性氧; 超氧化物酶
Keywords:
chrysanthemum; morphology; active oxygen; superoxide dismutase
分类号:
S 682.1+1
文献标志码:
A
摘要:
以菊花品种‘南农宫粉’为试材，研究了不同光照条件对植物形态和抗氧化酶的影响。结果表明：生长在自然光照的植株叶片呈微黄色，生长在15%光照的植株叶片变大变薄，且叶色变绿。自然光下，超氧化物歧化酶（SOD）、单脱氢抗坏血酸还原酶（MDAR）、谷胱甘肽还原酶（GR）、抗坏血酸过氧化物酶（APX）活性，超氧阴离子产生速率（O2.）和丙二醛（MDA）含量在第4天时均比遮阴的高，18 d时MDA含量降到较低水平，抗氧化酶有增有降，活性氧还较高。以上结果表明，抗氧化物酶为植物提供了有效的保护，防止过氧化的发生，O2.一直保持较高水平是过剩光能引起的。
Abstract:
Using chrysanthemum ‘Nannong Gongfen’ as experiment material，the influence of different light conditions on plant morphology and antioxidant were researched.The results showed that leaf color under full sunlight was yellowish-green,and that leaf area in 15% irradiance became bigger.The activities of superoxide dismutase (SOD,EC 1.15.1.1),monodehydroascorbate reductase (MDAR,EC 1.6.5.4),glutathione reductase (GR,EC 1.6.4.2),ascorbate peroxidase (APX,EC 1.11.1.11),superoxide anion (O2.) generation rate and malondialdehyde (MDA) content increased at the fourth day.By 18 days,MDA content decreased to the lower level.The results showed that antioxidant enzymes provided effective protection from oxidative damage.The maintained high level O2. was caused by excess light energy.

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备注/Memo

作者简介：韩霜（1982-），女，博士，讲师，现主要从事植物光合作用等研究工作。E-mail：htshd_012@163.com.

基金项目：河南省科技厅基础与前沿资助项目（142300410321）；商丘市科技局资助项目（20121043）。
收稿日期：2014-08-26

更新日期/Last Update: 2014-12-12