| It was developed through the artificial cross-fertilization of Gohyakumangoku/Toyosakazuki in 1994 by the Agricultural Products Research Center of the Niigata Agricultural Research Institute, and the variety was fixed. |
平成6年（1994年）農業総合研究所作物研究センターにて五百万石/豊盃の人工交配によって育成、品種固定。 |