利用分子标记辅助选育优质香稻新品种‘桂香99’  

Breeding of a New High Quality Fragrant Rice Variety’Guixiang99’by Molecular Marker-assisted Selection

作　　者：李虎[1] 刘广林[1] 吴子帅 罗群昌[1] 陈传华[1] 朱其南 Li Hu;Liu Guanglin;Wu Zishuai;Luo Qunchang;Chen Chuanhua;Zhu Qinan(Guangxi Talent Highland of High Quality Rice Breeding Research,Guangxi Key Laboratory of Rice Genetics and Breeding,Rice Research Institute,Guangxi Academy of Agricultural Sciences,Nanning,530007)

机构地区：[1]广西农业科学院水稻研究所,广西水稻遗传育种重点实验室,广西水稻优质化育种研究人才小高地,南宁530007

出　　处：《分子植物育种》2023年第2期510-516,共7页Molecular Plant Breeding

基　　金：国家重点研发计划项目(2018YFD0200302);国家现代农业产业技术体系广西创新团队项目(nycytxgxcxtd-01-03);广西农业科学院科技发展基金稳定资助团队项目(桂农科2021YT019);中央引导地方科技发展专项(桂科ZY18057004)共同资助。

摘　　要：本研究以优质抗稻瘟病香稻品种‘巴太香占’为母本,高产优质抗稻瘟病品种‘象牙香占’为父本,通过传统田间选育杂交技术与分子标记辅助选择结合,分别利用香味等位基因Badh2-E7的功能标记和广谱抗稻瘟病基因Pi5、Pita、Pi2的功能标记对各分离世代优选的单株材料进行标记检测,并结合香味检测,育成含Pi5、Pita、Pi2的优质香稻新品种‘桂香99’,以满足市场的迫切需求。In this study,the high-quality rice blast resistant fragrant rice variety’Bataixiangzhan’was used as the female parent,and the high-yield,high-quality,resistant rice blast variety’Xiangyaxiangzhan’was used as the male parent.Combined with traditional field breeding and molecular marker assisted selection,detect the single plant material in each segregation generation through the functional markers of the fragrance allele Badh2-E7 and the broad-spectrum rice blast resistance genes Pi5,Pita,Pi2 and the fragrance.Breeding a new fragrant rice variety’Guixiang99’with high quality and Pi5,Pita and Pi2 to meet the urgent demand of the market.

关 键 词：香味 广谱抗稻瘟病基因 分子标记辅助 聚合育种 桂香99 

分 类 号：S511[农业科学—作物学]