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A, L1 and central (C) diameters of selected hand-pollinated fruits at 12, 15, and 20 DAP of the apple hybrid X3177 in 2013. B to D, Sugar concentrations in central and L1 pedicels at three time points: 12 DAP (B), 15 DAP (C), and 20 DAP (D). Error bars represent sd. Statistically significant differences between the central and L1 pedicels as identified by Student’s t test are indicated by stars (P < 0.05). gfw, Grams fresh weight.
