CK: Untreated (control), GA: Gibberellin treatment. (A)The indicators ear length, ear diameter, shaft thickness, grain length, grain width, grain thickness, and 100-grain weight. (B)Bulk density (average of three independent experiments.) (C) Comparison of GA-treated and untreated (control) corn kernels. (D) Cellulose content of GA-treated and untreated corn grains at different stages. Three independent experiments * p<0.05, ** p<0.01 significantly different from control.