The reciprocal crosses and back crosses were made between multiple siliqualine 9O-12 and double low-single siliqua line 89008,Zhongyou 821.
甘蓝型复果油菜品系“90-12”与甘蓝型单果油菜品种中油821和双低品系“89008”杂交,其正反交F1,F2和回交一代群体的复果性状表现为:正反交F1植株全部表现单果;F2群体中的单果植株与复果植株的分离比例为63:1;回交一代群体的单果植株与复果植株的分离比例为7:1;测验杂种二代和回交一代中单果株与复果株的实际观测值与期望分离比例相符合。
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