春茎瘤芥新品种‘甬榨5号’

A New Spring Tuber Mustard F_1 Hybrid ‘Yongzha 5’

‘甬榨5号’是以茎瘤芥菜胞质雄性不育系09-05A为母本,以‘余姚缩头种’高代自交系为父本杂交育成的茎瘤芥新品种。全生长期170 d左右。早中熟。半碎叶,生长势强,株形直立,基部不贴地。瘤茎呈圆形,茎形指数约1.1,鲜样质量413 g左右,加工品质好。耐寒性较强,耐抽薹,产量高,空心率低,抗TuMV病毒病。适宜在浙江省春榨菜产区种植。

‘Yongzha 5＇ is a new tuber mustard hybrid developed by crossing male sterile line ‘09-05A＇ as female parent and inbred line ＇Yuyao Suotouzhong＇ as male parent. Its growth period is 170 days from sowing to harvest. It is of early and medium maturity. It is characterized by middle-split leaves, strong growth potential, erected plant type, far-surface base. The tuberous stem is of cylinder shape. The tuberous stem shape index is 1.1, the average fresh weight is 413 g. The processing quality is better. The cold resistance and bolting-tolerance is stronger. The yield is higher than other cultivars. The hollow heart percentage is lower. It is resistant to virus disease. The cultivar was suitable for planted in Zhejiang spring tuber mustard field.