早熟耐热大白菜新品种三园夏王的选育

A New Chinese Cabbage F_1 Hybrid-'Sanyuanxiawang'

三园夏王是从北京、台湾引进的早熟大白菜品种中选育出两个优良自交不亲和系91-10和91-12配制而成的夏播大白菜一代杂种,早熟,耐热,生长期55～60 d(天),高抗病毒病、霜霉病和软腐病,平均每667 m^2产净菜2880～3290 kg。叶球高筒形,淡绿色,刺毛稀少,品质优良。该品种已在山东、河南、云南、贵州等地推广种植。

Sanyuanxiawang is a new Chinese Cabbage F1 hybrid developed by crossing two good self - incompatible varieties introduced from Taiwan and Beijing. It takes 55-60 days from sowing to harvest. The F1 hybrid is tolerance to heat,high resistant to virus,downy mildew and soft rot with average net yield of 43.2 -49.4 t·hm-2. The leaf head is tubby in shape with light green color,less hair and good quality. It has been extended to Shandong,Henan,Yunnan,Guizhuo,etc.