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春抗50是中国农业科学院作物品种资源研究所育成的春大白菜新品种。全生育期55天左右,叶色中绿,白帮,净菜率85%以上。叶球扣抱,结球紧实,菜型美观,品质极佳。高抗软腐病,兼抗霜霉病。冬性强,极耐抽薹。单株重3kg左右,最大可达5kg,每666.7m~2产净菜5000～5500kg,管理条件较好者,每666.7m~2可产净菜7500kg左右。目前在山东、河南、安徽等省已推广150hm~2。黄河以南地区保护栽培,以2月中下旬播种为宜。可采用营养钵育苗,播种后先搭小拱棚,小拱棚外再搭大拱棚。早晚加盖草苫保温,棚内温度酌控在
Spring Resistance 50 is a new spring Chinese cabbage cultivated by Institute of Crop Germplasm Resources, Chinese Academy of Agricultural Sciences. The whole growth period of about 55 days, the leaf color green, white to help the net rate of more than 85%. Hold the leaf ball buckle, the ball tight, good-looking dishes, excellent quality. High resistance to soft rot and downy mildew. Strong winter, very resistant to bolting. About 3kg per plant weight, up to 5kg, net production of 666.7m ~ 2 net 5000 ~ 5500kg, better management conditions, every 666.7m ~ 2 can produce about 7500kg net dishes. Currently in Shandong, Henan, Anhui and other provinces have promoted 150hm ~ 2. Protection and cultivation south of the Yellow River, sowing in late February is appropriate. Nutritional Bowl nursery can be used, sowing after a small Shed, small shed and then take a large arch shed. Morning and evening stamped grass 苫 insulation, greenhouse temperature discretionary