青菜是合肥地区的主要蔬菜。近年来，由于品质退化，特别是越冬栽培的青菜，生长不良，品质变劣，产量低，造成1～3月份缺菜。为此，合肥市郊区蔬菜科学研究所用两个不同类型的青菜优良品种配制选育出优良一代杂种，耐寒性强，亩产3500公斤，极有推广价值。该品种已通过市级鉴? Green vegetables are the main vegetables in Hefei. In recent years, due to deterioration of quality, especially overwintering cultivation of vegetables, poor growth, poor quality, low yield, resulting in lack of food from January to March. To this end, Hefei Suburban Vegetable Science Institute with two different types of fine varieties of vegetables breeding bred a good generation of hybrids, cold and strong, 3500 kg per mu, very promotional value. The variety has passed the municipal Kam?