Fig. 5.

Overexpression construct and agronomic characters of ZmGRAS20. a Schematic diagram of ZmGRAS20 overexpression construct. b–e Grain agronomic characters including grain length (b), grain width (c), grain thickness (d), and 1000-grain weight (e). WT, rice japonica cv. Zhonghua 11 as a wide type; CK, rice contains pCAMBIA1301a as a control check; L1-L4, four independent transgenic lines of ZmGRAS20. Data are presented as mean ± SD of three replicates. **Significant differences between WT and transgenic plants at P < 0.01, respectively