nxxb.caass.org.cn农学学报2023,13(3):40-43JournalofAgriculture甘蓝型胞质不育杂交油菜新品种‘贡油5005’的选育王武全，郑永涛，杨华伟，胡苓，杨世鹏，余鳞，曾德志（自贡市农业科学研究院，四川自贡643000）摘要：目前，杂种优势利用是选育高产、优质油菜新品种的重要途径，自贡市农业科学研究院（以下简称“本院”）近些年通过改良油菜种质，利用杂种优势不断选育杂交油菜新品种，助力四川油菜产业发展。‘贡油5005’是本院以胞质不育系‘7149A’与双低恢复系‘7(50)R’杂交、鉴选出的首个高产、优质甘蓝型胞质不育杂交油菜新品种。在2017—2019年四川省机收油菜新品种试验中，2年试验平均产量为2654.1kg/hm2，较对照‘德油6号’增产10.68%，芥酸平均含量为0.261%，商品菜籽硫甙平均含量为24.81μmol/g饼，平均含油量为43.32%，籽粒黑色。于2021年通过农业农村部登记，登记编号GPD油菜(2021)510021。该品种高产优质，是适宜于四川平坝、丘陵地区冬油菜区种植的双低甘蓝型胞质不育杂交油菜新品种，具有较高的推广应用价值。关键词：胞质不育；甘蓝型油菜；杂种优势利用；‘贡油5005’；品种选育中图分类号：S334.5文献标志码：A论文编号：cjas2021-0202BreedingofaHybridBrassicaNapusVariety‘Gongyou5005’withCytoplasmicMaleSterilityWANGWuquan,ZHENGYongtao,YANGHuawei,HULing,YANGShipeng,YULin,ZENGDezhi(ZigongAcademyofAgriculturalSciences,Zigong643000,Sichuan,China)Abstract:Atpresent,heterosisutilizationisanimportantwaytobreednewvarietiesofrapeseedwithhighyieldandsuperiorquality.ZigongAcademyofAgriculturalScienceshascontinuouslyselectednewvarietiesofrapeseedbyimprovingrapeseedgermplasmandusingheterosistohelpthedevelopmentofrapeseedindustryinSichuaninrecentyears.‘Gongyou5005’isthefirsthybridBrassicanapusvarietywithcytoplasmicmalesterilityaccompaniedbyhighyieldandsuperiorquality,whichwasselectedbycrossingcytoplasmicmalesterility(CMS)line‘7149A’withdoublelowrestorerline‘7(50)R’.ItsaverageyieldincomparativeexperimentofnewrapeseedvarietiesharvestedbymachineinSichuanProvince(2017-2019)was2654.1kg/hm2,increasedby10.68%comparedwiththatofthecontrolvariety‘Deyou6’;theaveragecontentoferucicacid,rapeseedglucosinolates,andoilof‘Gongyou5005’was0.261%,24.8...
