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Comparison of the A-C-c curve fitting methods in determining maximum ribulose 1.5-bisphosphate carboxylase/oxygenase carboxylation rate, potential light saturated electron transport rate and leaf dark respiration
Miao, Zewei1; Xu, Ming1,2; Lathrop, Richard G., Jr.1; Wang, Yufei1
2009-02-01
Source PublicationPLANT CELL AND ENVIRONMENT
Volume32Issue:2Pages:109-122
AbstractA review of the literature revealed that a variety of methods are currently used for fitting net assimilation of CO2-chloroplastic CO2 concentration (A-C-c) curves, resulting in considerable differences in estimating the A-C-c parameters [including maximum ribulose 1.5-bisphosphate carboxylase/oxygenase (Rubisco) carboxylation rate (V-cmax), potential light saturated electron transport rate (J(max)), leaf dark respiration in the light (R-d), mesophyll conductance (g(m)) and triose-phosphate utilization (TPU)]. In this paper, we examined the impacts of fitting methods on the estimations of V-cmax, J(max), TPU, R-d and g(m) using grid search and non-linear fitting techniques. Our results suggested that the fitting methods significantly affected the predictions of Rubisco-limited (A(c)), ribulose 1,5-bisphosphate-limited (A(j)) and TPU-limited (A(p)) curves and leaf photosynthesis velocities because of the inconsistent estimate of V-cmax, J(max), TPU, R-d and g(m), but they barely influenced the J(max) : V-cmax, V-cmax : R-d and J(max) : TPU ratio. In terms of fitting accuracy, simplicity of fitting procedures and sample size requirement, we recommend to combine grid search and non-linear techniques to directly and simultaneously fit V-cmax, J(max), TPU, R-d and g(m) with the whole A-C-c curve in contrast to the conventional method, which fits V-cmax, R-d or g(m) first and then solves for V-cmax, J(max) and/or TPU with V-cmax, R-d and/or g(m) held as constants.
SubtypeArticle
KeywordA-c-i Curve Chloroplastic Co2 Concentration Grid Search Leaf Photosynthesis New Jersey Pinelands Non-linear Fitting
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Subject ExtendedPlant Sciences
WOS KeywordMESOPHYLL CONDUCTANCE ; TEMPERATURE RESPONSE ; GAS-EXCHANGE ; STOMATAL CONDUCTANCE ; PHASEOLUS-VULGARIS ; BIOCHEMICAL-MODEL ; CARBON-DIOXIDE ; ELEVATED CO2 ; PHOTOSYNTHESIS ; PARAMETERS
Indexed BySCI
Language英语
WOS SubjectPlant Sciences
WOS IDWOS:000262349100002
PublisherWILEY-BLACKWELL
Citation statistics
Cited Times:42[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/67952
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXu, Ming
Affiliation1.Rutgers State Univ, Grant F Walton Ctr Remote Sensing & Spatial Anal, New Brunswick, NJ 08901 USA
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Miao, Zewei,Xu, Ming,Lathrop, Richard G., Jr.,et al. Comparison of the A-C-c curve fitting methods in determining maximum ribulose 1.5-bisphosphate carboxylase/oxygenase carboxylation rate, potential light saturated electron transport rate and leaf dark respiration[J]. PLANT CELL AND ENVIRONMENT,2009,32(2):109-122.
APA Miao, Zewei,Xu, Ming,Lathrop, Richard G., Jr.,&Wang, Yufei.(2009).Comparison of the A-C-c curve fitting methods in determining maximum ribulose 1.5-bisphosphate carboxylase/oxygenase carboxylation rate, potential light saturated electron transport rate and leaf dark respiration.PLANT CELL AND ENVIRONMENT,32(2),109-122.
MLA Miao, Zewei,et al."Comparison of the A-C-c curve fitting methods in determining maximum ribulose 1.5-bisphosphate carboxylase/oxygenase carboxylation rate, potential light saturated electron transport rate and leaf dark respiration".PLANT CELL AND ENVIRONMENT 32.2(2009):109-122.
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