白菜薹新品种‘青芸2号’的选育  

Breeding of a Brassica Campestris Cultivar‘Qingyun 2’Flowering Chinese Cabbage

作　　者：周晓波[1] 丁茁荑[1] 刘志全 王日勇[1] 李培[1] 魏照信[2] 吴艺飞[1] ZHOU Xiaobo;DING Zhuoyi;LIU Zhiquan;WANG Riyong;LI Pei;WEI Zhaoxin;WU Yifei(Hunan Vegetable Research Institute/Hunan Vegetable Research and Development Center,Changsha 410125,China;Jiuquan Vocational Technical College,Jiuquan 735000,China)

机构地区：[1]湖南省蔬菜研究所/湖南省蔬菜工程技术研究中心,长沙410125 [2]酒泉职业技术学院,甘肃酒泉735000

出　　处：《辣椒杂志》2024年第3期60-63,共4页Journal of China Capsicum

基　　金：湖南省自然科学基金项目(2024JJ7289);湖南省农科院创新基金项目(2023CX88);国家大宗蔬菜产业技术体系(CARS-23-G-29);湖南省产业技术体系育引种岗位项目(2024—2028年);湖南省产业技术体系叶类菜育种岗位项目(2024—2028年)。

摘　　要：为丰富白菜薹的类型,提高品质和抗性,实现白菜薹品种的早中晚熟配套,从而达到周年供应的目的,于2017年育成了抗病性好、耐热、丰产、优质的中晚熟白菜薹品种青芸2号。青芸2号是以雄性不育系CMS y80-17为母本、自交系BL17-2-2为父本育成的中晚熟白菜薹新品种。从播种至主薹采收65 d左右,全生育期约110 d。植株株高50~55 cm,开展度50~53 cm,外叶深绿色。主薹粗壮,薹粗2.2~2.8 cm,单株主薹质量90~135 g;子薹多而萌发整齐,10~15根,薹粗1.7~1.9 cm,单薹质量80~95 g;薹肉较紧实,无髓腔、白点;薹叶绿色,较小,呈三角形,薹叶柄短,薹形美观。该品种耐热性好,抗病性强,抗霜霉病,耐软腐病,产量1800~2200 kg/667 m^(2),适合湖南省及相似生态气候地区秋冬露地种植。In order to enrich the types of Chinese cabbage sprouts,improve their quality and resistance,and achieve the goal of annual supply,a hybrid small Chinese cabbage sprout variety Qingyun 2 with good disease resistance,heat resistance,high yield,and high quality was bred in this study.Qingyun 2 is a new mid to late maturing Chinese cabbage variety developed from the male sterile line CMS y80-17 as the female parent and the inbred line BL17-2-2 as the male parent.It takes about 65 days from sowing to harvesting the main stem,and the entire growth period is about 110 days.The plant has a height of 50~55 cm and a spreading degree of 50~53 cm,with dark green outer leaves.The main bolt is sturdy,with a stem of 2.2~2.8 cm and an average single bolt weight of 90~135 g.There are several and uniformly germinated bolt stems,with 10~15 lateral stems and 1.7~1.9 cm of bolt stems,and an average single bolt weight of 80~95 g.The bolt flesh is relatively tight,without medullary cavities or white spots.The bolt leaves are green,small,and triangular in shape.The bolt leaf stalks are short,and the bolt shape is beautiful.This variety has good heat resistance,strong disease resistance to downy mildew and soft rot,and has a yield of 1800~2200 kg/667 m^(2).It is suitable for open filed planting in autumn and winter in Hunan Province and the areas with the similar ecological climate.

关 键 词：白菜薹 新品种 青芸2号 

分 类 号：S634.3[农业科学—蔬菜学]