Variation of photosynthetic capacity with leaf age in an alpine orchid, Cypripedium flavum

doi:10.1007/s11738-008-0135-9

	Variation of photosynthetic capacity with leaf age in an alpine orchid, Cypripedium flavum
	Zhang, S. B.; Hu, H.; Li, Z. R.
通讯作者	huhong@mail.kib.ac.cn
	2008-05-01
发表期刊	ACTA PHYSIOLOGIAE PLANTARUM
ISSN	0137-5881
卷号	30 期号:3 页码:381-388
摘要	Photosynthetic rate, chlorophyll fluorescence, leaf nitrogen and chlorophyll content of Cypripedium flavum were studied at different leaf ages. The photosynthetic capacity changed significantly with leaf age. Net photosynthesis and chlorophyll content peaked when leaf age was 60 days, decreasing at 30, 90 and 120 days. Stomatal conductance showed the highest value at 60 days, while mesophyll conductance decreased with increasing leaf age. Both leaf nitrogen content per unit area and leaf nitrogen content per unit mass decreased with increasing leaf age. The age-dependent variation in photosynthetic capacity could be linked to the changes in biochemical efficiency, leaf nitrogen content and CO2 diffusion limitation.
关键词	Cypripedium Flavum Leaf Age Leaf Nitrogen Photosynthesis Co2 Diffusion Limitation
学科领域	Plant Sciences
DOI	10.1007/s11738-008-0135-9
收录类别	SCI
语种	英语
WOS记录号	WOS:000255089100015
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/2513
专题	资源植物与生物技术所级重点实验室
作者单位	Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
推荐引用方式 GB/T 7714	Zhang, S. B.,Hu, H.,Li, Z. R.. Variation of photosynthetic capacity with leaf age in an alpine orchid, Cypripedium flavum[J]. ACTA PHYSIOLOGIAE PLANTARUM,2008,30(3):381-388.
APA	Zhang, S. B.,Hu, H.,&Li, Z. R..(2008).Variation of photosynthetic capacity with leaf age in an alpine orchid, Cypripedium flavum.ACTA PHYSIOLOGIAE PLANTARUM,30(3),381-388.
MLA	Zhang, S. B.,et al."Variation of photosynthetic capacity with leaf age in an alpine orchid, Cypripedium flavum".ACTA PHYSIOLOGIAE PLANTARUM 30.3(2008):381-388.

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