越冬甘蓝新品种圆春的选育

A New Cabbage F_1 Hybrid—‘Yuanchun’

圆春是以自交不亲和系江-1-2-2-1-2为母本,自交系94H-2-1-1-5为父本配制而成的越冬甘蓝一代杂种;该品种早熟,从定植到采收159～168d(天)左右,株高约30cm,开展度约60cm,外叶8～10片,绿色,叶面略皱,蜡粉中等,结球紧实,外观整齐,叶球圆球形,球顶略尖,叶球高21.5cm,横径18.4cm,中心柱长9.89cm,口感好,品质优;单球质量1.68kg左右,产量6000kg·(667m2)-1左右;田间调查对病毒病、霜霉病和黑腐病的抗性强于对照争春,耐寒性强,露地越冬短期-15℃不会发生冻害,耐抽薹性强;适合黄淮流域越冬栽培及秋早熟栽培。

‘Yuanchun’is a new cabbage F1 hybrid developed by crossing self-incompatible line Jiang-1-2-2-1-2 as female parent and inbred line 94H-2-1-1-5 as male parent.It is an early-maturing cultivar.It takes about 159-168 days from transplanting to harvest.The pant is about 30 cm in height,and about 60 cm in expansion diameter.The number of out leaves are 8-10.It is green in color with medium wax powder.It has good heading character with compact body.The head is round and 21.5 cm in height,18.4 cm in diameter.The center column length is about 9.89 cm.It is of superior quality with excellent taste.Its average head weight is about 1.68 kg,and mean yield is about 90 t·hm-2.It has higher resistance to virus disease,downy mildew,black rot than‘Zhengchun’.It is also tolerant to immature bolting.It is suitable for cultivation in the basins of the Yellow River and Huai River.