棉花枯、黄萎病是影响我省棉花增产的两种主要病害,而种子带菌是枯、黄萎病传播与蔓延的主要原因。因此,杀死种子内外病菌,是棉花良种繁育与推广,保护无病区,减轻病区发病程度的一项有效措施。中国农业科学院棉花研究所用热硫酸脱绒和抗菌剂“402”温汤浸闷种,是目前棉花枯、黄萎病种子较好的消毒办法。试验证明,防病效果可达100％。单用硫酸脱绒处理棉籽,灭菌 Cotton withered, Verticillium wilt is the two main diseases affecting cotton yield in our province, and the seed carrier is the main reason for the spread and spread of withered and Verticillium wilt. Therefore, the killing of pathogens inside and outside the seeds is an effective measure to breed and promote elite varieties of cotton, protect the disease-free areas and reduce the incidence of wards. Cotton Institute of Chinese Academy of Agricultural Sciences with hot sulfuric acid velvet and antibacterial agent “402” warm soup immersion species, is the current cotton withered, Verticillium wilt seeds better disinfection. Test proved that the effect of disease prevention up to 100%. Sulfur alone cotton velvet processing, sterilization