苗用型大白菜新品种浙白6号的选育

浙白6号是以自交不亲和系S99-PB533和S02-PB658配制而成的苗用型大白菜一代杂种。植株半直立，生长势旺，低温生长速度快，株高24 cm，开展度20 cm；叶浅绿色，叶面光滑，无茸毛，叶柄白色，叶长30.2 cm、宽18.0 cm，叶质柔嫩，品质优良；单株质量60 g左右，每667 m²产量2 400 kg左右；高抗黑斑病，抗病毒病和霜霉病，耐先期抽薹，适宜我国长江流域及东北、华北、西南地区作苗用型大白菜栽培。

A New Chinese Cabbage F1 Hybrid - 'Zhebai No.6'with Special Eating Type of Young Seedling

‘Zhebai No.6’is a new Chinese cabbage F1 hybrid with special eating type of young seedling,which was bred by crossing two self-incompatible lines S99-PB533 and S02-PB658.The plant is vigorous in growth,24 cm in height,20 cm in diameter,light green at outer leaves,white in petiole and without hair.The outer leaf blade is 30.2 cm in length and 18.0 cm in width.The leaves are very tender with a lovely flavor.Single plant weight is about 60 g.The net yield can reach about 36 t·hm^-2.It has high resistance to black spot,resistance to virus and downy mildew.It is suitable to be cultivated for the purpose of eating young seedling of Chinese cabbage in the Yangtze River valley,northeastern,northern and southwestern China.