Figure 5.

Accumulation of starch in leaves of transgenic and wild-type (wt) plants. A, Plants were grown for 42 d at 75 μmol quanta m⁻² s⁻¹ and at a CO₂ concentration of 380 μL L⁻¹. B, Plants were grown for 35 d at 75 μmol quanta m⁻² s⁻¹ and at a CO₂ concentration of 380 μL L⁻¹ and then transferred for 7 d to 600 μmol quanta m⁻² s⁻¹. C, Plants were grown for 42 d at 75 μmol quanta m⁻² s⁻¹ and at a CO₂ concentration of 4,000 μL L⁻¹. In all cases, plants were assayed for starch content using iodine staining 6 h after the onset of the light period. μE, μmol quanta m⁻² s⁻¹.