1选育经过母本万04的选育:1997年春引入来自CIMMYT的群体13套袋自交S1,同年冬在海南选株套袋自交50个果穗S2。1998年春在万全选穗50个穗行,各套袋10穗自交,选出3个穗行S3,同年冬在海南加代S4,同时测配组合。1999年春加代繁殖种子S5,同时进行组合比较试验,同年冬在海南继续加代S 1 Breeding After the breeding of female parent Wan 04: Introduced from the CIMMYT population in spring 1997 13 sets of bagging self-S1, the same year winter in Hainan selected bagging self-fertilization of 50 ears S2. In the spring of 1998, 50 ear Line, the bagging of 10 self-spike, selected three ears S3, the same year in Hainan Jiatai S4, at the same time measuring combination. 1999 spring plus generation of breeding seeds S5, at the same time the combination of comparative test, the same year in Hainan Hainan continue to add on behalf of the S