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Kinematic growth analysis of the first leaf pair of Arabidopsis wild type and PID overexpression lines. Rosette area, n = 40–50 (A). Leaf blade area, n = 24–26 (B). Average cell number in a leaf, n = 6 (C). Average cell area, n = 6 (D). Relative leaf expansion rate (E). Cell division rates (F). Insets show the same on a linear scale. Error bars represent averages ± SE of two replicate experiments.
