摘要
湘丰70A是湖南杂交水稻研究中心用IR58025B与V20B杂交,F3代再与金23B复交,复交F5代与V20A测交并经多代回交转育而成的水稻三系不育系。该不育系具有农艺性状好、花粉败育彻底、米质较优、配合力好等特点,2005年2月通过湖南省农作物品种审定委员会审定(湘审稻2005039)。所配组合湘丰优9号、湘丰优186、湘丰优402、湘丰优196、湘丰优103、湘丰优974等已通过省级以上品种审定。
Xiangfeng 70A is a CMS line in rice developed by Hunan Hybrid Rice Research Center through crossing the F3 plants of IR58025B /V20B with Jin 23B and testcrossing the elite single plants in its F5 generation to V20A and then followed by pedigree selection and successive backcrossing in pairs over years.It is characteristic of desirable agronomic traits,complete pollen sterility,good grain quality and high combining ability.In February,2005,it was registered by Hunan Provincial Crop Variety Appraisal Committee(Registration No.:Xiangshendao 2005039).There have been six F1 hybrids derived from Xiangfeng 70A,including Xiangfengyou 9,Xiangfengyou 186,Xiangfengyou 402,Xiangfengyou 196,Xiangfengyou 103 and Xiangfengyou 974,certified and released to commercial production at provincial or higher levels in China.
出处
《杂交水稻》
CSCD
北大核心
2013年第2期11-12,共2页
Hybrid Rice
基金
长江中下游超级早晚稻新品种选育与示范
