1、早熟——金早50山东省莱州市瓜菜研究所培育成功一代交配大白菜早熟新品种——金早50。该品种为早熟品种,生育期50天左右。外叶浅绿,球叶叠抱,呈卵圆型,心叶黄绿色,白帮,结球快,而且紧实,净菜率80%以上,品质极佳。其耐侯性好,适应性强,高抗软腐病、霜霉病和病毒病,单株重约4.5公 1, Precocity - Jinzao 50 Laizhou City, Shandong Province Institute of melons and vegetables to cultivate a successful generation of Chinese cabbage new early hybrid varieties - 50 early morning. The variety is precocious varieties, growth period of about 50 days. Outer leaves greenish, covered with ball leaves, oval-shaped, yellow-green heart, white gang, knot fast, and tight, net food rate of 80% or more, excellent quality. Its good weather resistance, adaptability, high resistance to soft rot, downy mildew and virus disease, weighing about 4.5 per plant