秦杂2号大白菜品种的选育及其抗病性、品质、产量评价

‘秦杂2号’大白菜品种是以胞质雄性不育系02CMS14为母本,以02S28优良自交系为父本配制的杂种一代。该品种生长期70 d左右;株型紧凑,抱球紧实,适播期长;矮桩叠抱,头球型;软叶率66.8%,球形指数1.3,单球重3~3.5 kg,净菜率80%,产量105.4 t/hm2;质地脆嫩,适口性好,品质优,风味佳;抗病毒病、霜霉病和黑斑病;该品种现已在陕西、甘肃、新疆、广西、河南、山西、四川、宁夏等多个省(区)示范推广,是一个综合性状优良,具有较强市场竞争力的大白菜品种。

Breeding of Chinese Cabbage Hybrid Qinza No.2 and Evaluation of Its Disease Resistance,Quality and Yield

The new Chinese cabbage variety Qinza No.2 is a F_1 which is bred with the gemplasm male sterile line 02CMS14 as female parent,self-bred line 02S28 as the male parent.Its growth period is about 70 days,it is dwarf and its leaves embrace tightly,its head is in the shape of globe;the rate of soft leaves is about 66.8%,globe index is 1.3,the weight of single globe is 3~3.5 kg,the net leaves rate is 80%,its yield is 105.4 t/hm~2;the cabbage is crisp,adaptable,good in quality and favor;the shape is tightly and has long suitable growing period;it is resistant to downy mildew and black spot.The new variety has been a registered variety in Feb,2004,it has been demonstrated and popularized in Shaanxi,Gansu,Xinjiang,Guangxi,Henan,Shanxi,Sichuan and Ningxia etc,it is a variety with good comprehensive character and strong competitive in market.