为解决根腐病发生对甘薯生产的严重危害,常规杀菌剂防效不理想的生产实际问题,今年,北京市植保站粮经科技术人员从土壤消毒的角度,选择灭生性土壤消毒药剂氯化苦,研究了其对根腐病的防治效果。研究人员于试验前期开展了土壤中镰孢菌等微生物含量测定,明确了试验方案,采用专业土壤消毒设备进行施药,覆膜熏蒸。薯苗定植 In order to solve the root rot serious harm to the production of sweet potato, conventional fungicide control effect is not ideal production of practical problems, this year, Beijing Plant Protection Station food science and technology personnel from the perspective of soil disinfection, selection of biocidal soil disinfection chlorination Bitter, studied its prevention and treatment of root rot. Researchers in the early stages of the test carried out in the soil Fusarium microorganisms such as determination of content, a clear test program, the use of professional soil disinfection equipment for application, film fumigation. Potato planting