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. 2019 Mar 19;141(1):83–97. doi: 10.1007/s11120-019-00632-x

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© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 4 — Response curves to derive model parameters for the photosynthesis model. Net assimilation rate A_n plotted as a function of a intercellular CO₂ concentration (C_i), b whole-chain electron transport (J) and c non-photochemical quenching (NPQ) plotted as a function of incident light (PFD) and dA_n plotted as a function of J. Solid lines in b and c depict model fits (Eqs. 4 and 6). The data in d were used to estimate mitochondrial respiration rate not associated with photorespiration (R_d) as the y intercept of the linear correlation. Solid and dashed lines in d show linear regressions and 95% confidence intervals, respectively. Error bars indicate standard errors (n = 6 biological replicates)