优质水稻三系不育系宁12A的选育与应用

Breeding and Application of High-quality CMS Line Ning 12A in Rice

宁12A是宁德市农业科学研究所利用宁94B与IR58025B杂交,在其后代中选优良单株与谷丰A测交和连续回交转育而成的野败籼型三系不育系,具有米质优、开花习性好、配合力强、不育性稳定等特点。2017年该不育系通过福建省农作物品种审定委员会田间鉴定,2018年通过福建省品种审定。利用宁12A先后配组的宁12优6169、宁12优华占、宁12优039、宁12优156等多个组合通过省级审定。

Ning 12A,derived from the cross between Ning 94B and IR58025B,followed by selection of excellent single plants from its offspring and crossed with Gufeng A by test cross and successive backcross,is a WA-type CMS line of indica rice developed by Ningde Research Institute of Agricultural Sciences.It has the characteristics of excellent grain quality,good flowering habits,strong combining ability and stable male sterility.In 2017,the sterile line passed the field identification of Fujian Crop Variety Appraisal Committee,and passed the variety certification of Fujian Province in 2018.Ning 12 You 6169,Ning 12 You Huazhan,Ning 12 You 039,Ning 12 You 156 and other hybrid combinations derived from Ning 12A have passed the provincial variety certification.