甘肃省靖远县植棉劳模张万选,經过几年的田间單株选择,从斯3173中选出了一个很有希望的棉花新品种,暫訂名叫“苏联大疙瘩”。张万选在1952年試种了兩亩斯3173頁种棉花,发现大田中有五株生长特別健壯,鈴多而大。他将这五株棉花單收、單札,于1953年将种子單播,繼續进行單株选择,至1954年繁殖到27亩,亩产皮棉107斤,高 Zhang Wanxuan, a laborer for planting cotton in Jingyuan County, Gansu Province, selected a promising new variety of cotton from the 3173 after several years of field selection and tentatively named “Big Soviet Knot.” Zhang Wanxuan planted 1927 two acres of 3173 species of cotton, found in the field of five particularly robust growth, bell and more. He put these five cotton single income, single Sheppard, in 1953 the seed unicast, continued single plant selection, breeding to 27 acres in 1954, 107 kg per mu of lint, high