春白萝卜新品种雪单3号的选育

A New Spring White Radish—‘Xuedan No.3'

雪单3号是利用双单倍体育种技术选育的春白萝卜新品种。母本ED0108A是以梅花春萝卜×白玉春萝卜进行花药培养获得的DH系为轮回父本,与不育系进行多次回交,转育成的雄性不育系。父本ED3128是由迟花春萝卜×天鸿春萝卜进行花药培养获得的DH系。该品种生育期60d(天),植株开展度45cm,裂叶,小叶11对,叶片数20,叶簇平展,叶色深绿;肉质根长圆柱形,白皮白肉,根长36cm,横径7.1cm,单根质量1.1kg,高抗黑腐病、芜菁花叶病毒病、黄瓜花叶病毒病和花椰菜花叶病毒病,抗霜霉病,群体整齐度高。每667m2产量4000～5000kg。适宜在湖北、湖南、河南、山东等地区早春栽培。

‘Xuedan No.3＇ is a new spring white radish variety bred by applying double-haploid technology. The female parent ED0108A is a male sterile line bred from crossing a double haploid ‘Meihuachunluobo＇ and ‘Baiyuchunluobo＇.The male parent ED3128 is a double haploid line bred by crossing radish ‘Chihuachunluobo＇ and ‘Tianhongchunluobo＇. It can be harvested in 60 days after sowing. The expansion of the plant is 45 cm,and it has pinnatifid leaves and 11 pairs of leaflet. The root is long and cylindrical with white skin and flesh. The root is 36 cm in length and 7.1 cm in diameter. The single root weight is 1.1 kg. It is highly resistant to black rot,cucumber mosaic virus,cauliflower mosaic virus. It is resistant to downy miledw. Its population uniformity is high. It can yield 60-75 t·hm-2. It is suitable to be cultivated in early spring in Hubei,Hunan,Henan and Shangdong Provinces.