石远321是中国科学院遗传所和石家庄农科院合作育成的优质、高产、多抗、性状稳定、不需年年制种的棉属种间三元杂交新品系。1993～1994年,在全国主产棉区冀、鲁、豫、晋、陕、皖、苏七省17处35点次国家区试,其籽棉、皮棉和霜前棉产量以绝对优势跃居8个参试品种第一名。国家 Shi Yuan 321 is a new breed of three-way cross of interspecific hybrids of cotton, which is bred by the Institute of Genetics, Chinese Academy of Sciences and Shijiazhuang Academy of Agricultural Sciences with high quality, high yield, multiple resistance and stable traits. From 1993 to 1994, a total of 17 35 national sub-regions in Hebei, Shandong, Henan, Shanxi, Shaanxi, Anhui and Jiangsu provinces were tested in the main cotton producing areas of the country, and the cotton yield of their seed cotton, lint cotton and frost lean with absolute superiority A variety of first test varieties. country