自棉花收获起到翌年播种前是棉花病虫害的越冬期。在此期间棉花的病原菌和害虫都在各种场所潜藏越冬或休眠。搞好这个阶段的防治,可降低来年的病虫基数,减轻对棉花的危害。为此,棉农应做好以下工作。一、棉花收获后,集中收花、晒花、贮花和轧花、并将棉籽进行严格消毒。这样可降低以棉籽为越冬场所的病虫基数。二.结合冬春积肥,清除棉田及其周围的枯枝、落叶和烂铃,集中烧毁,並铲除棉田内外的杂草,对棉 From the harvest of cotton until the next year before planting is the winter pests and diseases of cotton. During this period cotton pathogens and pests in various places lurking overwintering or dormant. Doing well in this phase of prevention and treatment can reduce the number of pests and diseases in the coming year and reduce the harm to cotton. To this end, cotton farmers should do the following work. First, the cotton harvest, focus on income, sun flowers, flowers and ginning, and cottonseed strict disinfection. This reduces the number of pest insects that use cottonseed as a breeding ground for wintering. II combined winter and spring fertilizer to clear the cotton fields and their surrounding litter, decay and rotten bell, concentrated burned and eradication of weeds inside and outside cotton, cotton