Fig. 4: Changes in carbohydrate concentrations and photosynthetic rates in mature leaves of wild-type (WT) and transgenic lines (L1, L4, and L9).

a Concentrations of sorbitol, sucrose, glucose, and fructose. b Starch concentrations. c Photosynthetic rates. Error bars represent SD based on 3 independent replicates. Statistically significant differences among values (at P < 0.05) were detected with independent t-tests and SPSS software