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学科主题: 物理化学
题名: Enhancement in photosynthesis characteristics and phytohormones of flowering Chinese cabbage (Brassica campestris L. var. utilis Tsen et Lee) by exogenous alginate oligosaccharides
作者: Zhang, Yunhong1;  Yin, Heng1;  Wang, Wenxia1;  Zhao, Xiaoming1;  Du, Yuguang1;  Wu, Lishu2
通讯作者: 杜昱光
关键词: Alginate oligosaccharide ;  Brassica campestris L. var. utilis Tsen et Lee ;  photosynthesis ;  carbon metabolism ;  phytohormone metabolism
刊名: JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT
发表日期: 2013
卷: 11, 期:1, 页:669-675
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: 18
项目归属: 1805
产权排名: 待补充
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Food Science & Technology
资助者: 1,1
研究领域[WOS]: Food Science & Technology
英文摘要: Alginate oligosaccharides (AOS), a kind of marine oligosaccharides, involve in regulating in seed germination, seedling growth and response to stress. However, the growth promotion mechanism of AOS on plant remains unclear. Water cultivation experiments were conducted to study the effects of AOS on photosynthesis characteristics and phytohormones accumulation of flowering Chinese cabbage (Brassica campestris L. var. utilis Tsen et Lee). The results showed that the net photosynthetic rate (Pn), water use efficiency (WUE), CO2 carboxylation efficiency (CE) and light saturation point (LSP) of functional leaves were raised by AOS, whereas light compensation point (LCP) was reduced. AOS increased the accumulation of sucrose and starch by inducing the activity of sucrose synthase (SS) and sucrose phosphate synthase (SPS), resulting in an increase in the yield. AOS enhanced the biosynthesis and transport of gibberellic acid (GA(3)), and the transport of indolacetic-3-acid (IAA) to the root and trans-zeatin riboside (ZR) to the shoot, whereas did not affect abscisic acid (ABA), leading to the increase in concentration ratio of ZR/ABA, ZR/GA(3), ZR/IAA and GA(3)/IAA in leaves. These results identified that improvement in the yield and quality of Chinese cabbage of application AOS was through modification of phytohormonal metabolism and photosynthetic physiology of plant.
关键词[WOS]: ROOT-GROWTH ;  NEUTRAL INVERTASE ;  PLANT DEVELOPMENT ;  PLASMA-MEMBRANE ;  AUXIN TRANSPORT ;  GENE-EXPRESSION ;  SODIUM ALGINATE ;  ABSCISIC-ACID ;  CYTOKININ ;  ARABIDOPSIS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000315984800001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119520
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Huazhong Agr Univ, Microelement Res Ctr, Wuhan 430070, Peoples R China

Recommended Citation:
Zhang, Yunhong,Yin, Heng,Wang, Wenxia,et al. Enhancement in photosynthesis characteristics and phytohormones of flowering Chinese cabbage (Brassica campestris L. var. utilis Tsen et Lee) by exogenous alginate oligosaccharides[J]. JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT,2013,11(1):669-675.
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