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结球甘蓝是重庆市秋冬蔬菜的主要叶菜之一,常年种植面积约占菜地面积的四分之一。近些年来,由于品种的严重混杂退化,致使产量下降,品质变劣,影响了生产和供应。我们于1978年冬起,开始选育适应本地栽培的甘蓝杂种一代。至1983年,选育成中早熟杂交一代种楠9-2×黑叶7221和晚熟种
Cabbage is one of the main leafy vegetables in Chongqing autumn and winter vegetables, perennial planting area accounts for about one quarter of the vegetable area. In recent years, due to serious mixed degradation of varieties, resulting in declining production, poor quality, affecting the production and supply. From the winter of 1978, we started to breed the cabbage hybrids adapted to the local cultivation. To 1983, bred into a hybrid progeny Zhongnan 9-2 × black leaves 7221 and late-maturing species