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题名: Effects of chitosan oligosaccharides on the yield components and production quality of different wheat cultivars (Triticum aestivum L.) in Northwest China
作者: Wang, Mengyu1, 2;  Chen, Yinchao3;  Zhang, Rui3;  Wang, Wenxia1;  Zhao, Xiaoming1;  Du, Yuguang1, 4;  Yin, Heng1
关键词: Chitosan oligosaccharides ;  Yield components ;  Individual quality ;  Grain quality ;  Wheat
刊名: FIELD CROPS RESEARCH
发表日期: 2015-02-15
DOI: 10.1016/j.fcr.2014.12.007
卷: 172, 页:11-20
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Agronomy
研究领域[WOS]: Agriculture
英文摘要: Chitosan oligosaccharides (COS) are the degradation product of chitosan, which has a potential application as a plant growth regulator. In contrast to previous studies that primarily examined COS effects under lab condition, this study was designed to provide detailed information about the effects of COS on wheat (Triticum aestivum L.) in large-scale field production. From 2011 to 2013 in Northwest China, seed dressing and foliar spraying at different growth stages with COS were applied to four wheat cultivars, which were divided into irrigated and rainfed varieties. The yield components and production quality of the COS treatments were measured. In the irrigated wheat cultivars, grains per spike from the COS seed dressing were significantly improved, and the spike number from COS spraying at tillering stage (Tf1) and returning-green (Tf2) stage increased significantly. COS impacted the grain yield significantly in all irrigated cultivars, whereas no significant COS effects on rainfed cultivar were observed. Improvements in spikelet sterility, plant height and the first internode length were detected in the COS treated cultivars. In COS spraying treatments, the flour rate and protein content exhibited a decreasing trend in irrigated cultivars, whereas a reduction of the gluten index and farinograph value were found in the rainfed cultivars. These results revealed that COS could affect the yield components and the production quality of wheat, and the various genotypes and application methods exhibited variations in the performance during the study. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: TOBACCO-MOSAIC-VIRUS ;  BIPOLARIS-SOROKINIANA ;  FUSARIUM-GRAMINEARUM ;  DEFENSE RESPONSES ;  GENETIC-ANALYSIS ;  PROTEIN-KINASE ;  WINTER-WHEAT ;  RESISTANCE ;  OLIGOCHITOSAN ;  CHITOOLIGOSACCHARIDES
语种: 英语
WOS记录号: WOS:000349506600002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145975
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Northwest Agr & Forestry Univ, Yangling 712100, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China

Recommended Citation:
Wang, Mengyu,Chen, Yinchao,Zhang, Rui,et al. Effects of chitosan oligosaccharides on the yield components and production quality of different wheat cultivars (Triticum aestivum L.) in Northwest China[J]. FIELD CROPS RESEARCH,2015,172:11-20.
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