抗抽薹春大白菜新品种“冠春”的选育

Breeding of a New F1 Hybrid of Bolting-resistance Spring Chinese Cabbage——"Guanchun"

'冠春'是由自交不亲和系01S315和自交亲和系01S105配制而成的中熟春大白菜一代杂种.叶球浅叠抱,中桩,粗筒形;球高28.3cm,球宽19.6cm,球叶乳白,球形指数1.5,单球重1.8～2.5kg,净菜率73.9%以上.球叶数60片左右,抗未熟抽薹性较韩国品种'春获'强.高抗病毒病、霜霉病、黑斑病、软腐病和干烧心.定植到收获60～65d,一般产量89225.3kg/hm2.

Guanchun is a new F1 hybrid of spring Chinese cabbage combined by crossing one self-incompatible line 01S315 and one self-compatible line 01S105. This variety is mid-maturity, resistances to multidiseases such as tipburn, soft-rot, virus, downmidey, and strong bolting-resistance. The average weight per leafhead is about 2.0 kg. It can be harvested in 60-65d after transplanting. It can yield net vegetable 89.2 t/hm^2. This variety has been idenificated and registrated by Shaanxi Province agricultural seed administration station in 2004.