禾谷类黑穗病是我县粮食作物的主要病害之一。据我县近两年调查,玉米丝黑穗病发病率一般在4—8%;严重地块达15%;谷子粒黑穗病率5—7%严重地块达26%;高粱丝黑穗病率2—4%,严重地块达10%;小麦腥黑穗病在县西也有局部发生,发病率5—9%,严重地块达25%;谷子白发病率一般6—10%,严重地块达30%。为了探索防治禾谷类黑穗病的有效方法,我们 Cereals smut is one of the main diseases of our county’s food crops. According to my county investigation in the past two years, the incidence of maize smut is generally 4-8%; severe block up to 15%; smut grains 5-7% of serious block up to 26%; sorghum silk black The disease rate is 2-4% and severe block is up to 10%. Wheat tart disease occurs locally in the west of the county, with the incidence of 5-9% and the severe block reaching 25%. The white incidence of millet is generally 6-10% Serious land up to 30%. In order to explore effective ways to prevent and treat cereal smut, we