春早熟甘蓝新品种‘张甘40’

‘张甘40’是以雄性不育系‘M0105-7’(保持系‘8513-1-2’)为母本,以‘F07013-5’为父本配制而成的甘蓝新品种,成熟期60 d左右。开展度56.08 cm,外叶9~11片,蜡质轻,单球质量1.6~2.4 kg,叶球高17.0 cm,叶球宽14.0 cm,产量75 000~85 500 kg·hm~(-2)。圆球,中心柱7.0 cm,成熟球外包绿叶2~3层,根茎高3.0 cm。口感脆甜。耐裂球,耐抽苔,适合冀北高寒地区春秋两季露地栽培。

Breeding of Cabbage Hybrid‘Zhanggan 40’

‘Zhanggan 40’is a new male sterile hybrid variety. Its sterile line is M0105-7，maintainer line is 8513-1-2. Its female parent is the filial generation of sterile line M0105-7 × 8513-1-2 and its male parent is F07013-5. The width of leaf of the variety is 56.08 cm，there are 9–11 outer leaves，the waxiness is light，the head weight is about 1.6–2.4 kg，head height and head width is about 17.0 cm and 14.0 cm separately. The yield is about 75 000–85 500 kg · hm^-2. Round ball，center pole is 7.0 cm，2–3 mature outsourcing green leaves，root stock height is 3.0 cm. Tastes crisp and sweet，low taste spicy. Resistance to blastomere and bolting，suitable for planting in the open field in Jibei cold area in high altitude during spring and autumn.