关键词: 大白菜, 早熟, 品种

Abstract: ‘Jinbai 5’is a new Chinese cabbage F1 hybrid developed by doubled haploid lines Q-50 × Z-55. It is early-ripening. Its growth period is 55–60 days. It is dwarf，and its leaf-head is overlapped. The plant is 33–35 cm in height，60 cm in width. Its leaf head is 26–28 cm in height，23–25 cm in diameter. Its head shape index is 1.1. The average net head weight is 2.0–2.5 kg，its average net head rate is 81.7%，the average net head yield is 78 000–98 000 kg ? hm-2. It’s resistant to turnip mosais virus，downy mildew and soft rot. It is suitable for early cultivation in open field in autumn and the same ecological types of area.

Key words: Chinese cabbage, early-ripening, cultivar