大白菜新品种沈农超级2号选育

Selection of a New Chinese Cabbage Hybrid ‘Shennong Super No.2’

以温度敏感型雄性不育系91 5 12为母本,(通园4号×青麻叶)优选株的高代自交系92 1 2 4 8为父本,配制成一代杂种沈农超级2号。沈农超级2号具有直筒型、青白帮、抱心紧实,及抗病性强、品质优良、丰产稳产、耐贮性好等特点。在我国北方地区作为晚熟耐贮白菜栽培,产量可达10 0 0 0kg/ 6 6 7m2 以上。

Shennong Super No.2 is a new F 1 hybrid of heading Chinese cabbage developed by crossing temperature-sensitive male sterile line 91-5-12 with inbred line 92-1-24-8 from Tongyuan No.4×Qingmaye.Shennong Super No.2 can be harvested in 86 days after sowing. It is high resistance to downy mildew, virosis and black spot with tube-shaped.The average yield is about 10 000 kg/667m^2.