关键词: 大白菜, 中晚熟, 品种

Abstract: ‘Jin baicai 7’is a new F1 Chinese cabbage cultivar with mid-late maturity，which crossed between self-incompatible lines‘2002-14-15’and‘2002-13-5-1’. Its vegetative period is 85–90 days. The plant has a height of 65–70 cm，a width of 60–65 cm，strong growth vigor，a straight shape with a loose central part. Its outer leaves are wrinkled and dark green with light green lobes，unconspicuous veins. The head is compact and is 65 cm in height，14–16 cm in transverse diameter. A single head weighs 3.5–4.0 kg，the production of minimally processed vegetables is 115.50–120.75 t ? hm-2. The variety has other good characters，such as high resistance to virus，downy mildew and soft rot diseases，high yielding，good commodity，less fiber，long storage time etc. It is suitable for planting as a mid-late maturing Chinese cabbage variety in autumn in many provinces of China，such as Shanxi，Hebei，Henan，Tianjin，Shandong，Liaoning，Guizhou etc.

Key words: Chinese cabbage, mid-late maturity, cultivar