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Therefore, it is very important understanding the NSC metabolic regulation and the effect of the cultivation management and the genetic improvement on the NSC metabolism for adequately using the NSC for high or stable yield in wheat under stress conditions. In this review, the fructosan, as the predominant component of the NSC in the wheat stem, is taken as an example to reveal its metabolic pathway, including the structure and the synthesis, as well as the transportation and the degradation. The role of the NSC in the wheat stem is analyzed under stress conditions, especially at low and high temperature, and in drought. The regulation effect of the cultivation managements on the NSC is discussed, such as those related with the cultivar election, the water and the nitrogen management. Finally, the application prospect of the wheat stem NSC in breeding for stress tolerance is discussed., authors=WANG Bin, ZHANG Yinghua, DENG Wanyun, HAN Meikun, SONG Wenpin, XU Xuexin, YAO Dexiu, HUANG Jing, LI Jinpeng, WANG Zhimin, authorsList=WANG Bin, ZHANG Yinghua, DENG Wanyun, HAN Meikun, SONG Wenpin, XU Xuexin, YAO Dexiu, HUANG Jing, LI Jinpeng, WANG Zhimin, authorCompany=College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=fLAHu/5ndCDQHjtqXtaIAQ==, pdfFileSize=608197, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242135515944792541, 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科技导报
| 专题论文 2016, 34(22): 87-94
小麦茎鞘非结构性碳水化合物代谢与调控研究进展
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王彬, 张英华, 邓万云, 韩美坤, 宋文品, 徐学欣, 姚得秀, 黄菁, 李金鹏, 王志敏
作者信息
中国农业大学农学与生物技术学院, 北京 100193
通讯作者:
王志敏(通信作者),教授,研究方向为作物高产栽培与生理,电子信箱:zhimin206@263.net
Review on metabolism and regulation of non-structural carbohydrates in wheat stem
Affiliations
出版时间: 2016-11-28
doi: 10.3981/j.issn.1000-7857.2016.22.012
文章导航
小麦遭遇逆境时花后光合作用减弱,茎鞘非结构性碳水化合物(NSC)作为主要灌浆物质来源对产量贡献率可达20%~50%。因此,了解茎鞘NSC的代谢规律,明确栽培管理措施和遗传育种改良对NSC代谢的影响,对于充分发挥NSC在小麦抗逆稳产中的作用具有重要意义。以小麦茎鞘NSC主要成分——果聚糖为例,概述了NSC的结构与合成、运输与降解;分析了小麦茎鞘NSC的功能,特别是对低温冻害和高温干旱逆境的响应;讨论了品种选择、水分管理、氮肥运筹等栽培措施对茎鞘NSC的调控作用;展望利用茎鞘NSC进行抗逆育种的前景。
非生物胁迫
/
抗逆性
/
产量
/
栽培措施
/
遗传改良
With the decrease of the photosynthetic rate under stress, non-structural carbohydrates (NSC) in wheat stem become the main carbon source, accounting for 20%~50%, for grain filling. Therefore, it is very important understanding the NSC metabolic regulation and the effect of the cultivation management and the genetic improvement on the NSC metabolism for adequately using the NSC for high or stable yield in wheat under stress conditions. In this review, the fructosan, as the predominant component of the NSC in the wheat stem, is taken as an example to reveal its metabolic pathway, including the structure and the synthesis, as well as the transportation and the degradation. The role of the NSC in the wheat stem is analyzed under stress conditions, especially at low and high temperature, and in drought. The regulation effect of the cultivation managements on the NSC is discussed, such as those related with the cultivar election, the water and the nitrogen management. Finally, the application prospect of the wheat stem NSC in breeding for stress tolerance is discussed.
abiotic stress
/
stress tolerance
/
yield
/
cultivation management
/
genetic improvement
王彬, 张英华, 邓万云, 韩美坤, 宋文品, 徐学欣, 姚得秀, 黄菁, 李金鹏, 王志敏.
小麦茎鞘非结构性碳水化合物代谢与调控研究进展.
科技导报,
2016
, 34
(22)
: 87
-94
.
DOI: 10.3981/j.issn.1000-7857.2016.22.012
WANG Bin, ZHANG Yinghua, DENG Wanyun, HAN Meikun, SONG Wenpin, XU Xuexin, YAO Dexiu, HUANG Jing, LI Jinpeng, WANG Zhimin.
Review on metabolism and regulation of non-structural carbohydrates in wheat stem[J].
Science & Technology Review ,
2016
, 34
(22)
: 87
-94
.
DOI: 10.3981/j.issn.1000-7857.2016.22.012
2016年第34卷第22期
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文章信息
doi: 10.3981/j.issn.1000-7857.2016.22.012
接收时间:2015-05-12
首发时间:2016-12-13
出版时间:2016-11-28
收稿日期:2015-05-12
修回日期:2015-11-19
通讯作者:
王志敏(通信作者),教授,研究方向为作物高产栽培与生理,电子信箱:zhimin206@263.net
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2016.22.012
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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