早熟籼稻不育系早丰A的选育及应用  

Breeding and Application of Early-maturing Indica CMS Line Zaofeng A in Rice

作　　者：柳武革[1] 王丰[1] 刘振荣[1] 李金华[1] 朱满山[1] 付崇允[1] 黄慧君[1] 廖亦龙[1] 刘迪林[1] 

机构地区：[1]广东省农业科学院水稻研究所/国家水稻改良中心广州分中心/广东省水稻育种新技术重点实验室,广东广州510640

出　　处：《杂交水稻》2018年第1期6-7,9,共3页Hybrid Rice

基　　金：现代农业产业技术体系建设专项资金(CARS-01-10); 公益性行业科研专项(201303007); 广东省现代农业科技创新联盟建设项目(2016LM2148;2017LM2148); 广东省科技计划项目(2013B040200042;2015B070701013;2014B020202008;2015B020231002;2016B070701011;2017A070702006)

摘　　要：早丰A是广东省农科院水稻研究所以自选保持系材料71B为母本,米31/W254杂交F_3代株系为父本进行人工杂交,然后从F_4代选择优良株系与印尼水田谷胞质不育系荣丰A测交并连续回交转育而成的早熟籼稻不育系。该不育系具有败育彻底、育性稳定、柱头外露率较高、开花习性较好、异交结实率较高、配合力好等特点,2012年通过广东省种子管理总站组织的专家技术鉴定。已先后配制出早丰优402、早丰优华占、早丰优107和早优736等多个组合分别通过国家或省级品种审定。Zaofeng A is a new early-maturing indica CMS line in rice, which is developed by crossing Rongfeng A （with the cytoplasm of Indonesian Paddy） to the selected F4 plants from the cross of 71B/（Mi31/W254）F3, followed by successive selection and backcross. It is characteristic of stable and complete male sterility, good flowering habits with relatively high stigma exsertion rate and outcrossing rate and good combining ability. It was technically identified in Guangdong Province in 2012. The hybrids derived from Zaofeng A, including Zaofengyou 402, Zaofengyou Huazhan, Zaofengyou 107 and Zaoyou 736, have been successively developed and released to commercial production by the national or provincial crop variety appraisal committees in China.

关 键 词：杂交水稻 不育系 早丰A 选育 

分 类 号：S511.01[农业科学—作物学] S334