早稻新品种宁早５１７，系宁德地区农科所间接应用籼粳交材料选育而成的。连续１３年多点示范结果，表现高产、稳产、抗稻瘟病，综合性状好，适合我省种植，多年推广不衰。该文总结分析了该品种的特征特性及其高产栽培技术经验 The new early rice variety, Ningzao 517, was selected from indica and japonica hybrids indirectly by the Agricultural Science Institute in Ningde Prefecture. For more than 13 consecutive years, the demonstration results showed high yield, stable yield and blast resistance, good comprehensive characters, suitable for planting in our province and not being promoted for many years. This paper summarizes the characteristics of the varieties and their high-yielding cultivation techniques