highly significantp < 0.001
Highly significant differences (p < 0.001) were observed for key quantitative traits, including flag leaf length and width, penultimate leaf dimensions, ligule length, culm length and diameter, culm number per plant, panicle number and length, filled grains per panicle, total and productive tillers per square meter, thousand-grain weight, grain dimensions, straw yield, grain yield, and harvest index.