春大白菜福春2号的选育

A New Spring Chinese Cabbage F_1 Hybrid,Fuchun No.2

春大白菜新品种福春2号是由DH109-12(纯系)与自交不亲和系阳春-5配制而成的一代杂种。中熟,耐抽薹,从定植到采收75天左右。株型半直立,抗病毒病、霜霉病和菌核病。叶球顶部合抱、卵圆形,球内叶白色,叶球纵径28cm、横径17cm,单球质量2～2.5kg,净菜率75%。一般667m2净菜产量3500～4000kg。适宜福建省晚秋和春季栽培。

Fuchun No.2 is a new spring Chinese cabbage cuhivar bred by crossing pure self incompatible line DH109-12 with self incompatible line Yanchun-5. It is middle early maturity and tolerant to immaturity bolting. Its growing period is about 75 days. Its plant is semi-upright type. Its head shape is ovate with overlapping and white inter leaves. Its average head weight is about 2-2.5 kg with 28 cm in height and 17 cm in diameter. The net product ratio is 75%. Its net yield is about 52.5-60 t/hm^2. It has high resistance to virus, resistance to downy mildew and sclerotinia disease. It was suitable to be cultivated in late autumn and spring in Fujian province.