龙谷31是按照黑龙江省农业良种化工程方案的要求,以提高谷子品质为目标,为满足市场需求,以选、繁、推相结合的方法选育的。2003年2月经黑龙江省品种审定委员会认定为推广品种。1选育经过龙谷31是黑龙江省农业科学院作物育种研究所于1991年以嫩选13为母本,龙79-5559为父本经品种 Long Valley 31 is in accordance with the requirements of Heilongjiang Province, the project of improving agriculture, in order to improve the quality of millet as the goal, in order to meet market demand, the election, complex, push the combination of methods of breeding. February 2003 by the Heilongjiang Province, the Commission approved the species as a promotion of varieties. 1 Breeding Longji 31 ​​is the Institute of Crop Breeding, Heilongjiang Academy of Agricultural Sciences in 1991 to tender election 13 as the female parent Long 79-5559 as the parent through the varieties