广东常规稻的回交育种  

Backcross Breeding for Inbred Rice Variety in Guangdong

作　　者：李宏[1] 周少川[1] 王重荣[1] 黄道强[1] 王志东[1] 陈宜波[1] 赵雷 龚蓉 潘阳阳 LI Hong;ZHOU Shao-chuan;WANG Chong-rong;HUANG Dao-qiang;WANG Zhi-dong;CHEN Yi-bo;ZHAO Lei;Gong Rong;Pan Yang-yang(Rice Research Institute,Guangdong Academy of Agricultural Sciences/Guangdong Provincial Key Laboratory of New Technology in Rice Breeding,Guangzhou 510640 China)

机构地区：[1]广东省农业科学院水稻研究所/广东省水稻育种新技术重点实验室,广东广州510640

出　　处：《福建稻麦科技》2020年第2期1-5,共5页Fujian Science and Technology of Rice and Wheat

基　　金：广东省农业厅项目——2019年广东省现代农业产业技术体系水稻创新团队(2019KJ105)。

摘　　要：杂交育种是广东常规稻育种中应用最广泛、成效最显著的方法,但回交育成品种的数量占比低。在简述玉香油占、美香占2号等6个品种及丰矮占1号回交导入系培育进程的基础上,分析了回交品种及导入系的相关情况,提出并阐述了回交育种的合理程序,包括:采用“多受体,少(一)供体”的杂交育种模式、受体亲本作父本、回交次数控制在3次及以下,回交育种要具备一定大的规模,回交后代的分离群体要种植大群体,并要施加选择压。Hybridization was used widely and effectively for inbred rice variety in Guangdong,but the number of backcross-bred varieties was low.The development of six varieties such as Yuxiangyouzhan,Meixiangzhan2 etc.and backcrossing introgression lines of Fengaizhan1 was briefly described.The situation was analysed very closely.Reasonable process of backcross breeding,such as adoption of“more recipient parent,few(one)donor”pattern,recipient parent as male prrent,3 or few backcross times,large scale backcross program,big segregation population and strick selection,was put forword.

关 键 词：水稻 常规稻 育种 回交育种 

分 类 号：S511.032[农业科学—作物学]