中熟大白菜新品种京秋65号的选育  

A New Chinese Cabbage F_1 Hybrid —‘Jingqiu No.65'

作　　者：张凤兰[1] 徐家炳[1] 余阳俊[1] 张德双[1] 赵岫云[1] 卢桂香[1] 

机构地区：[1]国家蔬菜工程技术研究中心

出　　处：《中国蔬菜》2007年第5期27-28,共2页China Vegetables

基　　金：国家"863"项目(2001AA241124);北京市科技项目(H01201011011)

摘　　要：京秋65号是由两个自交不亲和系85(2-289)和秦大配制而成的秋播中熟大白菜一代杂种,生长期65～70d(天);株型半直立,叶色绿,叶面稍皱,白帮;叶球倒锥形,球外叶浅绿色,球内叶浅黄色,叠抱;单球质量3.6kg左右,每667m2净菜产量6500～7500kg,软叶率47%,净菜率74%;抗病毒病和黑腐病,中抗霜霉病;适合北京、陕西、宁夏、山东、山西、新疆等地栽培。A new variety of Chinese cabbage Jingqiu No. 65 was bred by crossing two self-incompatible lines 85 （2 - 289） and Qinda. It can be harvested in 65 - 70 days after sowing. The average head weight is about 3.6 kg. Its yield is about 97.5 - 112.5 t · hm^-2. It is resistant to virus, black rot, and mid-resistant to downy mildew. It has been extended to Beijing, Shaanxi, Ningxia, Shandong, Shanxi and Xinjiang.

关 键 词：大白菜 京秋65号 一代杂种 中熟 

分 类 号：S634.1[农业科学—蔬菜学]