Fig. 7.

Photosynthetic capacity of the wild type (wt) and cyfbp, cpfbp1, and cyfbp cpfbp1 mutants. Plants were grown in a controlled growth cabinet under 100 μmol m^–2 s^–1 light regimes for 20 d. Photosynthetic carbon fixation rates were determined in the newest fully expanded leaf, as a function of increasing irradiance (A) at saturating CO₂ (400 μmol mol^–1; A/Q response curve) and as a function of increasing CO₂ concentration (D) at saturating light levels (1000 μmol m^–2 s^–1; A/C _i response curve). Transpiration (E) and stomatal conductance (g _s) were determined in the same leaves (B, E and C, F). Values represent the mean of eight plants ±SE.