The xenia effect value of oil genes was 0.30.(2)The yield and 1000 kernel weight of male sterile hybrids were 10.1% and 5.8% higher than that of corresponding fertile hybrids respectively, showing significant cytoplasmic effect.

• (2 )不育杂交种比同型可育杂交种的产量和千粒重平均提高 10 .；1%25和 5