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	Impact of elevated CO2 concentration on inter-subspecific hybrid rice cultivar Liangyoupeijiu under fully open-air field conditions
	Yang, Lianxin1; Liu, Hongjiang1; Wang, Yunxia1; Zhu, Jianguo2; Huang, Jianye1; Liu, Gang2; Dong, Guichun1; Wang, Yulong1
刊名	FIELD CROPS RESEARCH
	2009-04-30
卷号	112期号:1页码:7-15
关键词	Free air CO2 enrichment (FACE) Global change Growth Hybrid rice Nitrogen uptake Yield
ISSN号	0378-4290
DOI	10.1016/j.fcr.2009.01.008
通讯作者	Wang, Yulong(lxyang@yzu.edu.cn)
英文摘要	Hybrid rice cultivar plays an important role in rice production system due to its high yield potential and resistance to environmental stress. Quantification of its responses to rising CO2 concentration ([CO2]) will reduce our uncertainty in predicting future food security and assist in development of adaptation strategies. Using free air CO2 enrichment (FACE), we measured seasonal changes in growth and nitrogen (N) uptake of an inter-subspecific hybrid rice cultivar Liangyoupeijiu grown under two levels of [CO2] (ambient and elevated by 200 mu mol mol(-1)) and two levels of N fertilization in 2005-2006. Average across the 2 years, FACE increased crop growth rate similarly by 22%, 24% and 23% in the periods from transplanting to panicle initiation (PI), PI to heading and heading to maturity, which was mainly attributed to an increase in green leaf area index rather than the greater net assimilation rate. Grain yield increased greatly under FACE as a result of similar contributions by panicle number per unit area, grain number per panicle and individual grain yield. Final aboveground N acquisition showed a 10.4% increase tinder FACE, which resulted from enhanced N uptake at both vegetative and reproductive growth stages. Compared with previous FACE studies on final productivity of two inbred japonica cultivars, inter-subspecific hybrid cultivar appears to profit more from elevated [CO2], which mainly resulted from its greater enhancement in photosynthetic production during reproductive growth due to a lack of N limitations late in the season. (C) 2009 Elsevier B.V. All rights reserved.
收录类别	SCI
WOS关键词	ORYZA-SATIVA L. ; INCREASING CARBON-DIOXIDE ; ENRICHMENT FACE ; SEASONAL-CHANGES ; YIELD FORMATION ; PHOSPHORUS-NUTRITION ; FOOD-PRODUCTION ; GRAIN-YIELD ; GROWTH ; NITROGEN
WOS研究方向	Agriculture
WOS类目	Agronomy
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000265592600002
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2558804
专题	南京土壤研究所
通讯作者	Wang, Yulong
作者单位	1.Yangzhou Univ, Key Lab Crop Genet & Physiol Jiangsu Prov, Yangzhou 225009, Jiangsu, Peoples R China 2.Chinese Acad Sci, State Key Lab Soil & Sustainable Agr, Inst Soil Sci, Nanjing 210008, Peoples R China
推荐引用方式 GB/T 7714	Yang, Lianxin,Liu, Hongjiang,Wang, Yunxia,et al. Impact of elevated CO2 concentration on inter-subspecific hybrid rice cultivar Liangyoupeijiu under fully open-air field conditions[J]. FIELD CROPS RESEARCH,2009,112(1):7-15.
APA	Yang, Lianxin.,Liu, Hongjiang.,Wang, Yunxia.,Zhu, Jianguo.,Huang, Jianye.,...&Wang, Yulong.(2009).Impact of elevated CO2 concentration on inter-subspecific hybrid rice cultivar Liangyoupeijiu under fully open-air field conditions.FIELD CROPS RESEARCH,112(1),7-15.
MLA	Yang, Lianxin,et al."Impact of elevated CO2 concentration on inter-subspecific hybrid rice cultivar Liangyoupeijiu under fully open-air field conditions".FIELD CROPS RESEARCH 112.1(2009):7-15.

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