Table 3. Effect of Overexpression of the miR396a-Resistant GRF1 (GRF1^R) on Cellular Growth Parameters.

	Nontransgenic Siblings	GRF1R	P Value	%
Size of division zone (cm)	1.29 ± 0.02	1.60 ± 0.01	0.002	19.65
Size of dividing cells (µm)	27.39 ± 1.21	29.27 ± 2.46	0.543	6.42
Number of dividing cells (cells)	515.94 ± 13.80	637.99 ± 22.87	0.016	19.13
LER (mm⋅h−1)a	2079.84 ± 153.22	2305.43 ± 514.24	0.015	9.79
Cell production (cell⋅h−1)	14.38 ± 0.21	15.07 ± 0.27	0.119	4.63
Cell division rate (cells cell−1 h−1)	0.028 ± 0.0004	0.024 ± 0.0008	0.019	−17.76
Duration of cell cycle (h)	24.87 ± 0.39	29.34 ± 1.04	0.037	15.25
Mature cell size (µm)	144.76 ± 2.10	153.06 ± 2.75	0.079	5.43
Final leaf length (mm)	555.2 ± 15.45	643 ± 11.68	0.004	13.65

^aLER, leaf elongation rate.