湖北省位于长江中游,历年植棉面积800万亩左右。1963年以前,有3个县零星发生棉花枯黄萎病,1964年从美国引进带病的光叶棉种,造成棉花枯、黄萎病在我省迅速传播蔓延,1965年调查,有29个县的棉区发病,面积2.3万亩,到1980年传播到36个县42万亩,1982年发病79万亩,1984年71万亩。 Hubei Province is located in the middle reaches of the Yangtze River, over the years cotton area of ​​about 8000000 acres. Before 1963, three counties sporadic cotton withered wilt disease, the introduction of diseased light leaf cotton species from the United States in 1964, resulting in cotton withered, Verticillium wilt spread rapidly in our province, 1965 survey, 29 counties The incidence of cotton area, an area of ​​23000 acres, spread to 36 counties in 420000 acres in 1980, 790000 acres in 1982, 710000 acres in 1984.