The CV of Nongda 108 was higher than that of Luyu 10, there were big differences among its ears, rows per ear and seed volume, which limited its yield potential.

• 但农大108的变异系数大于鲁玉10号，果穗发育很不一致，缺粒现象严重，空杆率高，严重影响玉米产量。