新疆70年代前生产的棉花,不论陆地棉成长绒棉都以内销为主,那时因为原棉供不应求,丰产便成为当时棉花育种的主要目标.80年代以来,国内原棉市场发生了根本性转折,中央明确指出,棉花生产要由内销转外销、由丰产转优质、由单一利用转综合利用.笔者认为,在这三个转化中,优质起着主导作用.因为有了优质,扩大原棉外销才有竞争能力,国内才能纺织优质纱山口.优质已成为棉花育种的突出问题.据笔者多年实践,棉花的优质育种,并非几年能奏效的.因为在棉花的经济性状中,丰产与优质是互相矛盾的,欲优质必须 The cotton produced before the 1970s in Xinjiang, regardless of the growth of upland cotton, mainly sold domestically, at that time because of the shortage of raw cotton, the high yield of cotton became the main target of cotton breeding at that time.From the 1980s, the domestic cotton market has undergone a fundamental turning point, Clearly pointed out that the cotton production from domestic sales to export, from high yield to high quality, from a single utilization of the comprehensive utilization of the author believes that in these three transformations, quality plays a leading role.Because of high quality, expand the export of raw cotton have competition Ability, the domestic textile quality Yushankou .Quality has become a prominent issue in cotton breeding.According to the author for many years of practice, the quality of cotton breeding, not years to be effective.Because the economic traits in cotton, high yield and quality are contradictory , For high quality must