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一、天正春白1号 (一)特征特性株高34cm,开展度为40cm×40cm,冬性强,叶球叠抱,矮桩倒锥形。叶色淡绿,白帮,净菜率为70%,软叶率为52.4%,单球重2～2.5kg,生长期60～65天。2000年山东省春大白菜区域试验结果,666.7m~2(亩)产净菜3293kg,比对照韩国强春增产47.8%。品质评价得4.6分,高于对照0.8分。田间表现抗病毒病、霜霉病和软腐病,三者的病情指数分别为0.6、0.0、0.8,达到高抗级水平。 (二)栽培要点该品种冬性强,山东地区可于2月下旬至3月上旬进行阳畦育苗。
First, Tianzheng Chunbai 1 (a) Characteristic characteristics Height 34cm, carried out for the degree of 40cm × 40cm, strong winter, leaf ball stacked hold, short pile inverted cone. Leaf color light green, white help, net food rate of 70%, soft leaf rate of 52.4%, single ball weight 2 ~ 2.5kg, the growth period of 60 to 65 days. In 2000, the results of spring regional trials of Chinese cabbage in Shandong Province showed that 3293kg pure vegetable was produced in 666.7m ~ 2 (mu), 47.8% more yield than that of strong spring in Korea. Quality evaluation of 4.6 points, 0.8 point higher than the control. Field performance of antiviral disease, downy mildew and soft rot disease, the three disease index were 0.6,0.0,0.8, reaching a high level of anti-class. (B) the main points of cultivation The winter is strong, Shandong Province in late February to early March Yang Yang nursery.