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	A coupled model of stomatal conductance and photosynthesis for winter wheat
	Yu Q.
	2008
关键词	BWB model irradiance Triticum water-use co2 transpiration capacity leaves light
英文摘要	The model couples stomatal conductance (g(s)) and net photosynthetic rate (P(N)) describing not only part of the curve up to and including saturation irradiance (I(max)), but also the range above the saturation irradiance. Maximum stomatal conductance (g(smax)) and I(max) can be calculated by the coupled model. For winter wheat ( Triticum aestivum) the fitted results showed that maximum P(N) (P(max)) at 600 mu mol mol(-1) was more than at 350 mu mol mol(-1) under the same leaf temperature, which can not be explained by the stomatal closure at high CO(2) concentration because g(smax) at 600 mu mol mol(-1) was less than at 350 mu mol mol(-1). The irradiance-response curves for winter wheat had similar tendency, e. g. at 25 degrees C and 350 mu mol mol(-1) both P(N) and g(s) almost synchronously reached the maximum values at about 1 600 mu mol m(-2) s(-1). At 25 degrees C and 600 mu mol mol(-1) the I(max) corresponding to P(max) and g(smax) was 2 080 and 1 575 mu mol m(-2) s(-1), respectively.
出处	Photosynthetica
卷	46
期	4
页	637-640
收录类别	SCI
语种	英语
ISSN号	0300-3604
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/22543]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Yu Q.. A coupled model of stomatal conductance and photosynthesis for winter wheat. 2008.

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