小株型大白菜新品种京春娃3号的选育

京春娃3号是由细胞质雄性不育系CMS10152与自交不亲和系09219配制而成的叠抱型深黄心小株型大白菜一代杂种。早熟,定植后55 d(天)收获,株型小,较直立,外叶深绿色,叶球筒形,叠抱,球内叶深黄色,球高21.9 cm,球直径10.2 cm,单球质量0.7 kg,667 m2产净菜6 000~7 000 kg。抗病毒病、霜霉病和黑腐病,耐抽薹性较强,品质佳。适于密植,每667 m2可定植10 000~12 000株。已在北京、河北、甘肃、云南、湖北等地推广种植。

A New Mini Chinese Cabbage F1 Hybrid —‘Jingchunwa No. 3’

‘Jingchunwa No. 3’ is a new mini Chinese cabbage hybrid bred by crossing cytoplasmic male sterile line CMS10152 with self imcompatible line 09219. It has flat-topped head and deep yellow inner leaves. It takes about 55 days from transplanting to harvest. It is of small plant type. The plant is erect with dark green outer leaf. Its head shape is cylindrical and flat-topped with 21.9 cm of head height and 10.2 cm of head diameter. Its inner leaves are deep yellow in color. Its single head weight is 0.7 kg. The yield in open field is about 90-105 t·hm^-2.It is resistant to virus，downy mildew and black rot. Itstolerance to late bolting is strong. Its quality is good. It fits to transplant in high density of 10 000-12 000 plants per 667 m². It has been extended to Beijing， and Hebei， Gansu，Yunnan，Hubei Provinces.