玉米丝黑穗病是我县玉米的主要病害,历年发病面积都在10%左右,严重地块达20—30%。我县常年种植玉米29万亩,每年因丝黑穗病损失达500万公斤。为探讨玉米丝黑穗病的有效防治方法,县植保站与有关部门经过多年多种药剂的试验示范,证明日本住友株式会社生产的12.5%速保 Maize head smut is the main disease of corn in our county, the annual incidence of disease are about 10%, a serious block up to 20-30%. 29 million mu of corn are planted year round in our county, with annual losses of 5 million kilos due to head smut. In order to explore the effective prevention and treatment of maize head smut, the county plant protection station and the relevant departments after years of experiments and demonstration of a variety of agents to prove that Japan’s Sumitomo Corporation 12.5% ​​speed security