石远321是石家庄市农科院与中国农科院遗传研究所协作,经过激素处理、离体培养、试管内染色体加倍等远缘杂交技术与常规技术相结合,以陆地棉×海岛棉×墨西哥野生棉,经过十几年的选育而成的棉花新品系。 一、产量表现:1993年参加全国黄河流域棉花品种区域试验,在7省17个试点,皮棉及霜前皮棉 Shi Yuan 321 Shijiazhuang Academy of Agricultural Sciences and Institute of Genetics, Chinese Academy of Agricultural Sciences collaboration, after hormone treatment, in vitro culture, in vitro chromosome doubling and other distant hybridization techniques and conventional techniques combined with land cotton × sea island cotton × Mexico Wild cotton, after more than 10 years of breeding new cotton lines. First, the production performance: Participate in the Yellow River Basin in 1993 regional trials of cotton varieties in 17 provinces in seven pilot, lint and frost before the lint