四川省农科院从事植保和棉花育种的科技工作者,1952年开始深入棉花枯萎病重灾区,进行枯萎病的防治与研究,于1956年育成我国第一个抗枯萎病棉花品种“52—128”,1963年又育成高抗枯萎病品种“57—681”。经过二十多年的生产实践与人工病圃抗性鉴定,这两个品种的抗病能力超过同期引进的国外抗病品种。其特点是:抗性持久稳定,二十多 Sichuan Academy of Agricultural Sciences engaged in plant protection and cotton breeding science and technology workers, began in 1952, the worst affected areas of cotton blight, prevention and control of blight disease research, in 1956 bred into China’s first cotton variety resistant to blight “52-128 In 1963, a new variety of ”57-681" resistant to blight was bred. After more than 20 years of production practice and artificial disease resistance identification, the resistance of these two varieties over the same period of introduction of foreign resistant varieties. Its characteristics are: durable and stable resistance, more than twenty