中桩直筒秋大白菜新品种‘秋白85’

A New Autumn Chinese Cabbage Hybrid‘Qiubai 85'with Mid-cylindric Head

‘秋白85’是以两个自交不亲和系‘05S1657’和‘05S137’配制而成的秋中晚熟、中桩、直筒大白菜一代杂种。生长期85 d,植株直立,叶色深绿,帮白,成株株高45.0 cm,开展度63.5 cm。叶球直筒拧抱、中桩,心叶浅黄,叶球高33.6 cm,叶球直径15.5 cm,球形指数为2.2,平均单株质量2.9 kg,净菜率达78.5%,净菜产量75~97.5 t·hm-2。

‘Qiubai 85'is a new hybrid of autumn Chinese cabbage with mid-cylindric head and mid-late ripen bred by crossing self-incompatiable line‘05S1657'with‘05S137'. It can be harvested in 85 days after sowing. Its plant is erect with deep green leaf and white petiole,the plant is 45.0 cm in height and 63.5 cm in width. Its leaf head is mid-cylindric with erect heading leaf,and 33.6 cm in height,15.5 cm in diameter,2.9 kg in net weight. The rate of net head is 78.5%,Its average net yield is 75–97.5 t · hm-2.