棉花蕾铃期主要病害防治方法棉花蕾铃期的主要病害是枯、黄萎病。１９９３年仅吴桥县杨家寺乡就有千余亩棉田因感染此病而绝产。据调查，大致在５月中旬至６月上旬是这种病害发病的第一次高峰。一般以枯萎病为主，发生严重的棉田常会大量死苗，造成毁种和补种。７、８月份... Cotton buds and boll stage disease prevention and control methods The main diseases in cotton boll stage are withered, Verticillium wilt. In 1993, Wuqiao County, Yang Jiasi Township, there are more than a thousand acres of cotton fields due to infection and the disease. According to the survey, roughly from mid-May to early June is the first peak of the disease. Fusarium disease is generally the main occurrence of serious cotton fields often dead seedlings, resulting in deforestation and replanting. July and August ...