Figure 1.

Comparison of photosynthetic parameters in wild-type plants (WT) and two transgenic lines expressing P_SARK∷IPT measured over 75 d of growth under optimal conditions (1,000 mL d⁻¹; black symbols) or reduced watering conditions (300 mL d⁻¹; white symbols). The eighth fully expanded leaf was used for measurements using a LI-6400 gas-exchange system with a fixed chamber CO₂ concentration and light and temperature as described in “Materials and Methods.” Values are means ± se (n = 15).