优质香型籼稻不育系玉龙1A的选育与应用

Breeding and Utilization of High-quality Aromatic Indica CMS Line Yulong 1A in Rice

玉龙1A系四川省农业科学院水稻高粱研究所利用泸香618B与泸6B杂交,F3代用川谷A测交和连续回交选育而成的优质香型籼稻不育系。该不育系具有育性稳定、米质优良、有香味、可恢性强、配合力高等特点,于2018年7月通过了四川省农作物品种审定委员会技术鉴定,所配组合玉龙优1611已于2021年通过国家农作物品种审定委员会审定。

Yulong 1A,derived from the testcross of the F3 plant of Luxiang 618B/Lu 6B to Chuangu A and its successive backcrosses,is a high-quality aromatic indica CMS line in rice developed by the Rice and Sorghum Research Institute of Sichuan Academy of Agricultural Sciences.It has the characteristics of stable fertility,good grain quality,fragrance,strong restorability and high combining ability.It passed the technical identification of Sichuan Crop Variety Appraisal Committee in July 2018,and the hybrid combination Yulongyou 1611 derived from Yulong 1A was registered and released by the National Crop Variety Appraisal Committee in 2021.