Effects of elevated CO2 and O-3 on phenolic compounds in spring wheat and maize leaves

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	Effects of elevated CO2 and O-3 on phenolic compounds in spring wheat and maize leaves
	Li, GM; Shi, Y; Chen, X; Shi, Y, Chinese Acad Sci, Inst Appl Ecol, Key Lab Terr Ecol Proc, Shenyang 110016, Peoples R China
刊名	BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
	2008
卷号	81 期号:5 页码:436-439
关键词	Elevated Co2 And O-3 Phenolic Compounds Spring Wheat And Maize
ISSN号	0007-4861
英文摘要	C-3 crops are generally considered more sensitive than C-4 crops to the elevated CO2 and O-3, but it is unclear whether the concentrations of phenolic compounds in them are affected. In this paper, an enrichment experiment with open-top chamber was conducted to examine the effects of elevated CO2, O-3, and their combination on the contents of total phenolic compounds and flavone in the leaves of spring wheat (C-3 crop) and maize (C-4 crop). The results showed for spring wheat, the total phenolic contents in its leaves at jointing stage was significantly higher under elevated CO2 and/or O-3, with the sequence of CO2 plus O-3 > O-3 > CO2 > ambient, while at grain-filling stage, the total phenolic content was lower under CO2 plus O-3 than under CO2, O-3, and ambient. The total phenolic content in maize leaves at jointing stage had the similar variation trend with that for wheat, but at grain-filling stage, the total phenolic content was slightly affected by elevated CO2 and/or O-3. The flavone content in spring wheat leaves was significantly lower under CO2 and/or O-3 stress at jointing stage, but had lesser difference at grain-filling stage under the stress. The same variation trend was observed in the flavone content in maize leaves at jointing and grainfilling stages, i.e., CO2 plus O-3 > CO2 > ambient > O-3. C-3 plant was more sensitive than C-4 plant to the CO2 and/or O-3 stress.
学科主题	Environmental Sciences ; Toxicology
语种	英语
资助机构	National Natural Science Foundation of China [30570348, 30500069]
公开日期	2011-09-23
内容类型	期刊论文
源URL	[http://210.72.129.5/handle/321005/54377]
专题	沈阳应用生态研究所_沈阳应用生态研究所
通讯作者	Shi, Y, Chinese Acad Sci, Inst Appl Ecol, Key Lab Terr Ecol Proc, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Li, GM,Shi, Y,Chen, X,et al. Effects of elevated CO2 and O-3 on phenolic compounds in spring wheat and maize leaves[J]. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2008,81(5):436-439.
APA	Li, GM,Shi, Y,Chen, X,&Shi, Y, Chinese Acad Sci, Inst Appl Ecol, Key Lab Terr Ecol Proc, Shenyang 110016, Peoples R China.(2008).Effects of elevated CO2 and O-3 on phenolic compounds in spring wheat and maize leaves.BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,81(5),436-439.
MLA	Li, GM,et al."Effects of elevated CO2 and O-3 on phenolic compounds in spring wheat and maize leaves".BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 81.5(2008):436-439.