9月份,我国大部棉区棉花生产进入后期管理阶段,脱叶剂的使用也提上日程。1993年,拜耳股份公司在我国登记50%噻苯隆可湿性粉剂,首次用于棉花脱叶;2003年,麦德梅农业解决方案有限公司又登记了22.4%噻节因悬浮剂,也是用于棉花脱叶。目前,这两个产品均已经不在我国流通使用。截至2017年8月21日,我国批准登记并在有效期内的棉花脱叶剂产 In September, cotton production in most cotton areas in China entered the later stage of management, and the use of defoliants was put on the agenda. In 1993, Bayer AG registered 50% thiabendazole WP in China for the first time for defoliation of cotton. In 2003, Medfield AG also registered 22.4% thioacetate suspending agent, which is also used in Cotton leaves off. At present, these two products are no longer in circulation in our country. As of August 21, 2017, China has approved the registration of cotton leaf defoliation products within the validity period