利用游离小孢子培养技术育成早熟大白菜新品种‘豫新60’

‘Yuxin 60’—A New Early Maturing Chinese Cabbage Hybrid

‘豫新 6 0’系采用游离小孢子培养双单倍体育种技术快速育成的大白菜一代杂种。该品种早熟 ,生育期 6 0～ 6 5d ;高抗病毒病 (TuMV)、霜霉病和软腐病 ;净菜产量 5 9 9～ 6 9 8t·hm-2 ;叶球矮桩叠抱 ,球形指数 1 19,单球质量 1 5～ 2 0kg ;叶质柔嫩 ,生食、熟食皆宜 ;口感略甜 ,风味佳。

甕uxin 60’is a new Chinese cabbage hybrid, whose parents are self-incompatible double haploid lines induced by isolated microspore culture. It is early maturing and requires only 60 to 65 days from sowing to maturity. This cultivar is multiple disease resistant to turnip mosaic virus(TuMV), downy mildew and softrot. Its head shape(height/diameter)index is 1.19 and a head mass ranges from 1.5 to 2.0 kg. The marketable yield is 59.9-69.8 t·hm -2. It has dwarf head with leaf-tips overlapping on head top. Tender, crisp and slightly sweet leaves are suitable for both salad and cooking.