甲型“两用系”可育株 可育品系 Ms'Ms + msms F Msms Ms'ms (1:1) Ms'Ms Ms'ms Msms msms (1:1:1:1) 1⑧ 18 Ms'Ms'MsMs Ms'Ms msms (临时保持系) Ms'Ms'MsMs (甲型“两用系”) Msms (雄性不青系) 结球白菜核不育复等位基因转育模式Ⅳ MsMs Ms'Ms L⑧ 1/4Ms'Ms',2/4Ms'Ms,1/4MsMs 3:1 MsMs Ms'Ms (1:1) MsMs Ms'ms 1/4Ms'Ms'.2/4Ms'ms.1/4msms 全可育 Ms'Ms Msms (1:1) MsMs x msms ⑧ -msms 全可育 Msms 全不育 甲型“两用系”不育株 可育品系 MsMs msms 甲型“两用系”可育株 Msms MsMs MsMs MsMs Ms'ms Msms 田 Ms'Ms MsMs Ms'Mst Ms'ms msms (甲型“两用系") ⑧ msms (临时保持系) Msms (雄性不育系) 1414 结球白菜核不育复等位基因转育模式Ⅳ