“津白45”耐热早熟大白菜新品种选育  

Breeding of “Jinbai 45”,An Heat resisting,Early Maturing Chinese Cabbage Hybrid

作　　者：张斌[1] 丘玉秀 宋连玖 王玉龙[1] 闻凤英[1] 刘晓晖[1] 王鸣[2] 

机构地区：[1]天津市蔬菜研究所 [2]西北农业大学园艺系

出　　处：《天津农业科学》1998年第3期27-29,共3页Tianjin Agricultural Sciences

摘　　要：利用自交不亲和系ＷＢ７和黑２２７配制成耐热早熟大白菜一代杂交新品种“津白４５”，生育期４５～５０天，株高３６ｃｍ，开展度４０ｃｍ，中桩类型，叶球近似筒形，球形指数２．１左右，外叶绿色，中肋白色，具有良好的商品品质和食用品质。３年品比试验每６６６．７ｍ２产量达３７８０．０～５２７４．２ｋｇ，比对照品种“夏阳５０”增产２５．０％～５２．２％。An heat resisting、early maturing Chinese cabbage hybrid is bred by crossing two self incompatible series-WB7 and Black227.Its growth period is about 40～50 days,its tubular plant is 36 cm high and 40 cm wide,its head shape index is about 2.1,its out layer leaf is dark green with white petiole.It has very good quality with little fibre.Its yield is 56.7～79.1 ton per ha in three years,25%～52.5% more than “Xiayang 50”.More resistant to downy mildew and rot than “Xiayang 50”.

关 键 词：大白菜 早熟 耐热 育种 杂交种 新品种选育 

分 类 号：S634.103.3[农业科学—蔬菜学]