杂交水稻籼型三系不育系珈丰91A的选育及应用  

Breeding and application of three-line CMS line Jiafeng91A in indica hybrid rice

作　　者：胡继红 柯传勇 刘善德 黄海燕 廖光毅 HU Ji-hong;KE Chuan-yong;LIU Shan-de;HUANG Hai-yan;LIAO Guang-yi(Hubei Provincial Office of Agricultural Science and Technology Personnel,Wuhan 430070,China;Wuhan Comega Seed Co.,Ltd,Wuhan 430070,China)

机构地区：[1]湖北省农业科技人才办公室,武汉430070 [2]武汉科珈种业科技有限公司,武汉430070

出　　处：《湖北农业科学》2023年第10期9-12,共4页Hubei Agricultural Sciences

基　　金：湖北省农业主推技术遴选示范与推广应用项目。

摘　　要：杂交水稻(Oryza sativa L.)籼型三系不育系珈丰91A是以荃9311B//荃9311B/荃优华占的F3代选系与荃9311A杂交并连续多代回交的后代,经分子标记辅助选择培育而成的抗稻瘟病型中籼型三系不育系(含Pi2抗稻瘟病基因)。介绍了该不育系的选育过程、特征特性、主要优缺点、生产上应注意的事项及其配组品种试验、试种情况。Jiafeng91A,a three-line CMS line of indica hybrid rice(Oryza sativa L.),was a hybrid of F3 generation of Quan 9311B//Quan 9311B/Quanyouhuazhan and Quan 9311A,which was backcrossed for several generations.It was an indica three-line CMS line with blast resistance(containing Pi2 resistance gene)by molecular marker-assisted selection.The breeding process,characteristics,main advantages and disadvantages,the matters that should be paid attention to in production,and the test and trial planting of the combined varieties of the sterile line were introduced.

关 键 词：杂交水稻(Oryza sativa L.) 籼型 三系不育系 珈丰91A 选育 

分 类 号：S511.21[农业科学—作物学]