松花菜新品种‘陇雪1号’的选育

Breeding of a new loose-curd cauliflower variety‘Longxue No.1’

‘陇雪1号’是以细胞质雄性不育系‘2012-W11’为母本、以自交系‘2012-Y70’为父本配制而成的雄性不育杂交种。在甘肃冷凉地区春茬从定植至采收80 d左右,植株长势强,叶色深绿且有少量蜡粉,叶柄长;花球松散圆盘形,白色、花梗浅青,平均单球质量1.20 kg,田间表现抗黑腐病。花球水分含量92%,蛋白质含量2.08%,维生素C含量304 mg·kg^-1,可溶性糖含量2.4%,粗纤维0.86%,硒含量0.014 mg·kg^-1,钾含量3 209.4 mg·kg^-1。适宜甘肃冷凉地区及西北相同气候区域种植。

‘Longxue No.1’is a new loose-curd cauliflower F1 hybrid,developed by crossing cytoplasmic male sterile line‘2012-W11’as female parent with inbred line‘2012-Y70’as male parent.It takes about 80 days from transplant to harvest in cool area of Gansu Province.Its plant has strong growth vigor,its blade is broad with wax powder.The cauliflower curd is white,loose and round,the stalk is light-green,the curd weight is 1.20 kg,the contents of water,protein,VC,soluble sugar,crude fibre,selenium,potassium are respectively 92%,2.08%,304 mg·kg^-1(FW),2.4%,0.86%,0.014 mg·kg^-1(FW),3209.4 mg·kg^-1(FW).This variety is suitable for cultivation in spring and autumn in cool area of Gansu province and similar area.