浙辐504系渐江农业大学核农所等用优质迟熟早舢渐农8010与高产品种嘉育293杂交而有成的高产、优质、中熟、早税稻新品种，全生育期110天左右。1997年该县引进试种1000余亩。一般亩产450千克，最高田块亩产达540千克。一、特征特性该品种株高80厘米左右，株型紧接，叶色淡绿，分 Zhefu 504 Department of Jianjiang Agricultural University nuclear farms and other high-quality late maturing early mature gradual 8010 and high-yielding varieties Jiayou 293 hybrid and promising high-yield, high-quality, medium maturity, early tax rice new varieties, the whole growth period of 110 days about. In 1997 the county introduced more than 1000 acres of trial planting. The average yield of 450 kg per mu, the highest field yield of 540 kg per mu. First, the characteristics of the variety of about 80 cm plant height, plant type immediately, leaf color light green, points