优质香型水稻两系不育系宏S的选育与应用

Breeding and Application of High-quality Aromatic PTGMS Line Hong S in Rice

宏S是萍乡市农业科学研究所与江西农业大学农学院共同选育的籼型水稻两系不育系,来源于深08S/内香3B。宏S具有株型紧凑、分蘖力较强、茎秆粗壮、异交习性好、配合力较好、米质优且有香味等优点,可用于测配杂交晚稻和一季中稻组合,2021年1月通过江西省农作物品种审定委员会审定,同年6月获得植物新品种权。用宏S配组的杂交晚稻组合宏两优瑞占于2021年通过江西省农作物品种审定委员会审定,其米质达部颁2级优质稻谷标准。

Derived from the cross of Shen 08S/Neixiang 3B, Hong S is an indica photoperiod-and thermo-sensitive genic male sterile(PTGMS) line in rice co-developed by Pingxiang Municipal Institute of Agricultural Science and the College of Agronomy of Jiangxi Agricultural University. It has the characteristics of compact plant type,relatively strong tillering ability, thick stems, good outcrossing habits, high combining ability and good grain quality with aroma. It was registered by Jiangxi Provincial Crop Variety Appraisal Committee in January 2021 and obtained the right of new plant varieties in June of the same year. Hongliangyou Ruizhan, a late hybrid rice combination derived from Hong S and Ruizhan, was registered and released for commercial production by Jiangxi Crop Variety Appraisal Committee in 2021, and its grain quality reached the 2nd grade of high-quality rice standards issued by the Ministry of Agriculture of China.