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Photosynthetic response of tetraploid and hexaploid wheat to water stress

文献类型：期刊论文

作者Li, Y. P.1; Li, Y. Y.1; Li, D. Y.1; Wang, S. W.2,3; Zhang, S. Q.1,2; Zhang, SQ (reprint author), Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China.; Zhang, SQ (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China.; Zhang, SQ (reprint author), Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China.
刊名PHOTOSYNTHETICA
出版日期2017
卷号55期号:3页码:454-466
关键词Carbon Isotope Ear Photosynthesis Enzyme Activity Water Relations
ISSN号0300-3604
DOI10.1007/s11099-016-0659-y
文献子类Article
英文摘要Photosynthetic characteristics of ear and flag leaves of wheat species, tetraploid Triticum dicoccoides Kom and hexaploid Bima1, were studied in plants grown under well-watered (WW) and water-stressed (WS) conditions. Compared to ears, flag leaves exhibited higher photosynthetic rate (P (N)) at the filling stage, but more severe decrease under WS. P (N) in the tetraploid wheat ear remained higher than that in the hexaploid wheat during the grain-filling stage. Water stress decreased PN in both the organs; this decline was caused by a reduction in Rubisco activity, not by drought-induced stomatal limitation. Tetraploid wheat ears exhibited higher relative water content and water-use efficiency than that of hexaploid wheat, under WS. The change in phosphoenolpyruvate carboxylase activity and carbon isotope composition indicated the absence of C-4 metabolism in the ears of both species under both conditions. The improved performance of the tetraploid wheat ears under WS was associated with better water relations.
学科主题Plant Sciences
URL标识查看原文
出版地DORDRECHT
语种英语
WOS记录号WOS:000399249800006
出版者SPRINGER
资助机构National Science and Technology Supporting Programs [2015BAD22B01]; Chinese Education Ministry [B12007]; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau [A314021403-C5] ; National Science and Technology Supporting Programs [2015BAD22B01]; Chinese Education Ministry [B12007]; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau [A314021403-C5] ; National Science and Technology Supporting Programs [2015BAD22B01]; Chinese Education Ministry [B12007]; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau [A314021403-C5] ; National Science and Technology Supporting Programs [2015BAD22B01]; Chinese Education Ministry [B12007]; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau [A314021403-C5]
源URL[http://ir.iswc.ac.cn/handle/361005/7941]  
专题水保所科研产出--SCI_2017--SCI
通讯作者Zhang, SQ (reprint author), Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China.; Zhang, SQ (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China.; Zhang, SQ (reprint author), Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China.
作者单位1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
3.Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714		 Li, Y. P.,Li, Y. Y.,Li, D. Y.,et al. Photosynthetic response of tetraploid and hexaploid wheat to water stress[J]. PHOTOSYNTHETICA,2017,55(3):454-466.
APA Li, Y. P..,Li, Y. Y..,Li, D. Y..,Wang, S. W..,Zhang, S. Q..,...&Zhang, SQ .(2017).Photosynthetic response of tetraploid and hexaploid wheat to water stress.PHOTOSYNTHETICA,55(3),454-466.
MLA Li, Y. P.,et al."Photosynthetic response of tetraploid and hexaploid wheat to water stress".PHOTOSYNTHETICA 55.3(2017):454-466.

入库方式： OAI收割

来源：水土保持研究所

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