近年来,棉花枯、黄萎病已遍及我国主要产棉区。枯萎病比黄萎病传播蔓延快,轻者减产,重者失收,一旦传入,不易根除,严重威胁棉花生产。我县六十年代中期棉枯萎病就有零星发生,到七十年代初,县植保站调查,全县有14个公社(场),14个大队,16个生产队,31块田,计450亩棉田发病,严 In recent years, cotton withered, Verticillium wilt has spread throughout China’s major cotton producing areas. Fusarium wilt spread faster than the spread of Verticillium wilt, the light yield reduction, severe loss of income, once introduced, not easy to eradicate, a serious threat to cotton production. Cotton fusarium wilt sporadically occurred in the mid-1960s. By the beginning of the seventies, the county plant protection station investigation, the county has 14 communes (field), 14 brigades, 16 production teams, 31 fields, accounting for 450 Mian cotton disease, strict