Abstract:The male-sterile lines used in this study were(Gam)Min-Zao 1A,(Gam)Chao-Yang 1 A,(WA)Chao-Yang 1 A,(WA)Zhen-Shan97 A,(Gam)V 20A,(Gam)Fr-Jiu-Ai 7 A,and restoring lines wereTai-Yin 1,Tai-Guo-Dao,IR 24,Gu 223,IR 110-20.These materialsconstituted an incomplete diallel cross of 6×5.We estimated the heri