辐晚81—548是我所在1979年用60Co-γ射线3万伦照射余赤231-8干种子后,经多年选育而成的一个新品系,其熟期跟余赤231—8相近,而产量比余赤231—8高。在1984年12月全省优质米评选会上,该品系被评为一等优质米,居20个供评晚籼材料的第一名。1985年在本所种植,于分蘖期、齐穗期和 Spiral night 81-548 is my 1979 years with 60Co-γ rays 3 Wan Lun irradiated Yuchi 231-8 dry seeds, after years of breeding a new line, its maturity with Yu Chi 231-8 similar, The output is higher than Yu Chi 231-8. In December 1984 the province’s high-quality rice selection and selection, the strain was rated as first-class quality rice, ranking 20 for the evaluation of late indica rice first place. Planting in the year 1985, at the tillering stage, heading date and full