优质高产不结球白菜新品种“抗寒1号”的选育

A New Non-heading Chinese Cabbage F_1 Hybrid 'Kanghan No.1'

"抗寒1号"是以自交不亲和系14LY106为母本,14LY108为父本配置而成的一代杂种。株型较直立,早春播种生长40d时,株高22cm,开展度22cm,叶色绿,叶面平展,叶柄绿,叶柄宽3.2cm,厚0.68cm,单株质量68g,品质脆嫩,味浓,纤维少。每667m^2产量2 400kg以上。该品种抗病毒病、抗霜霉病,抗寒、耐抽薹,适合北方地区早春和秋冬季栽培。

＇Kanghan No.1＇ is a high quality non-heading Chinese cabbage F_1 hybrid developed by crossing 14 LY106 as female parent and 14 LY108 as male parent.The plant is rather erect,in the early spring the seeds are sown for 40 days,22 cm in height and 22 cm in width.The leaf is flat and green in color.Its petiole is 3.2 cm in width,0.68 cm in thickness.The single plant weight is 68 g.It has crisp quality and tastes rich with less fiber.It can yield 36 t·hm^-2 in spring cultivation.It is resistant to virus disease and downy mildew.It has good tolerance to cold and bolting.It is suitable for spring and autumn winter cultivation in northern China.