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Size effects of chitooligomers on the growth and photosynthetic characteristics of wheat seedlings
Zhang, Xiaoqian1,2; Li, Kecheng1; Liu, Song1; Xing, Ronge1; Yu, Huahua1; Chen, Xiaolin1; Li, Pengcheng1
2016-03-15
发表期刊CARBOHYDRATE POLYMERS
卷号138期号:2016页码:27-33
文章类型Article
摘要In this study, nine chitooligomers (COSs) including seven single COSs (chitobiose to chitooctaose) and two COS fractions with narrow degrees of polymerization (DPs) (DP8-10, DP10-12) were prepared and applied to wheat seedlings to investigate the size effects of COSs on the growth and photosynthesis parameters of wheat seedlings. The results showed that the activities of COS were closely related to their DPs, and DP >3 was necessary to insure a significant promotion effect on the growth and photosynthesis. Moreover, chitoheptaose exhibited the optimal activity compared with other COS samples. After 7 days of chitoheptaose treatment, the growth parameters of wheat seedlings could be significantly improved and the contents of soluble sugar, soluble protein and chlorophyll were increased by 59.4%, 22.0% and 20.3%, respectively. In addition, chitoheptaose could significantly enhance the net photosynthetic rate of wheat seedlings with the values of Fv/Fo, qP and Rfd increased by 11.0%, 18.6% and 14.7%, respectively, while NPQ was decreased obviously, which might resulted in the promotion of light utilization efficiency and the growth of wheat seedlings. (C) 2015 Elsevier Ltd. All rights reserved.
关键词Chitooligomers Size Growth Photosynthesis Chlorophyll Fluorescence
DOI10.1016/j.carbpol.2015.11.050
收录类别SCI
语种英语
WOS记录号WOS:000368096400004
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/95220
专题海洋生物技术研发中心
海洋环境工程技术研究发展中心
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Zhang, Xiaoqian,Li, Kecheng,Liu, Song,et al. Size effects of chitooligomers on the growth and photosynthetic characteristics of wheat seedlings[J]. CARBOHYDRATE POLYMERS,2016,138(2016):27-33.
APA Zhang, Xiaoqian.,Li, Kecheng.,Liu, Song.,Xing, Ronge.,Yu, Huahua.,...&Li, Pengcheng.(2016).Size effects of chitooligomers on the growth and photosynthetic characteristics of wheat seedlings.CARBOHYDRATE POLYMERS,138(2016),27-33.
MLA Zhang, Xiaoqian,et al."Size effects of chitooligomers on the growth and photosynthetic characteristics of wheat seedlings".CARBOHYDRATE POLYMERS 138.2016(2016):27-33.
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