水稻优质温敏核不育系“科丰S”的选育及特性  

Breeding and Characteristics of Thermo-sensitive Genic Male Sterile Line──"Kefeng S"

作　　者：雷建国[1] 余传元[1] 肖宇龙[1] 李马忠[1] 涂起红[2] 汪洋 

机构地区：[1]江西省农业科学院水稻研究所,江西南昌330200 [2]江西省农业厅粮油作物局,江西南昌330046 [3]江西省武宁县种子公司,江西武宁332300

出　　处：《江西农业学报》2006年第1期35-37,共3页Acta Agriculturae Jiangxi

基　　金：江西省农业科学院院长基金项目资助

摘　　要：“科丰S”是从“安湘S/香优早”的后代经多年系谱选育而成的温敏型两用核不育系。该不育系属早籼中熟类型,具有不育期长、不育度好、柱头外露率高、在海南的可繁性较好、配组自由、配合力好等特点。简要介绍了“科丰S”的繁殖技术要点。＂Kefeng S＂ bred from offspring of ＂Anxiang S/Xiangyouzao＂ through several years＇ pedigree selection, is a thermo - sensitive dual - purpose genic male sterile line. This sterile line belongs to mediummaturing early indica rice, which has long sterile period, stable sterility, high stigma - exertion rate and good sterile line multiplication and good combining ability. And some key reproduction techniques were introduced in the paper.

关 键 词：水稻 两用核不育系 科丰S 选育 特性 

分 类 号：S511.032[农业科学—作物学]