龙两优031是湖南农业大学与中国种子集团有限公司三亚分公司以龙S为母本、R031为父本配组育成的两系杂交晚稻新组合。该组合株叶形态好,抗倒性较强,生育期适宜,稳产性较好,米质较优,稻瘟病抗性较好,适宜海南作晚稻种植。2012年4月通过海南省农作物品种审定委员会审定。 Longliangyou 031 is a new two-line late hybrid rice combination composed of Hunan Agricultural University and China Seed Group Co., Ltd. Sanya Branch with Dragon S as its female parent and R031 as its male parent. The combined plant has good leaf morphology, strong lodging resistance, suitable growth period, good stability and yield, better rice quality and better resistance to rice blast, and is suitable for planting late rice in Hainan. In April 2012, it passed the Hainan Crop Variety Approval Committee.