在棉花盛花期的不同时段对不同品种设置淹水处理试验,结果表明,棉花淹水后成铃减少是涝渍导致棉花减产的主要原因;淹水能抑制棉铃发育及纤维发育,导致铃重和衣分降低,严重影响产量。棉花盛花期内,涝渍灾害发生越迟产量损失越 In different periods of cotton flowering stage, different types of flooding treatments were set up. The results showed that boll reduction after cotton flooding was the main reason for cotton yield reduction due to waterlogging. Flooding could inhibit cotton boll development and fiber development, Lower clothing points, seriously affecting the yield. During the flowering period of cotton, the later the waterlogging disaster occurs, the more the production loss will be