优质抗病高配合力粳稻不育系扬辐粳7号A的选育与应用  

Breeding and Application of Japonica CMS Line Yangfujing 7A with Fine Grain Quality,Disease Resistance and High Combining Ability in Rice

作　　者：周根友[1] 夏华[1] 

机构地区：[1]江苏沿江地区农业科学研究所,江苏如皋226541

出　　处：《杂交水稻》2016年第6期10-12,共3页Hybrid Rice

基　　金：江苏省南通市科技创新计划(HL2012019)

摘　　要：扬辐粳7号A是江苏沿江地区农业科学研究所以徐9201A为母本,扬辐粳7号为父本,通过杂交、连续回交转育而成的BT型粳稻不育系。该不育系抗病性强,米质达国标1级优质稻谷标准,综合性状优良,不育性稳定,开花习性较好,异交结实率较高,配组优势明显,2012年通过江苏省粳稻不育系鉴定。所配组合通优粳1号(扬辐粳7号A/R98)表现高产、优质,2013年通过江苏省品种审定。Yangfujing 7A, derived from the cross between Xu 9201A and Yangfujing 7 and its successive backcross- es, is a BT-type japonica CMS line developed by the Agricultural Institute of Riparian Region of Jiangsu Province. It shows good integrated characteristics, stable male sterility, good flowering habits, high outcrossing rate, strong disease resistance, fine grain quality （reaching the 1 st class of national standards for fine quality rice） and high combining ability. In 2012, it was technically identified in Jiangsu Province. Its F1 hybrid combination Tongyoujing 1 （Yangfujing 7A/R98） , showing high yield and good grain quality, was registered and released to commercial production by Jiangsu Crop Variety Appraisal Committee in 2013.

关 键 词：杂交粳稻 不育系 扬辐粳7号A 优质 抗病 选育 

分 类 号：S511.03[农业科学—作物学] S332.2