玉米丝黑穗病是玉米的严重病害。几年来我县科技部门和群众采用综合措施防治玉米丝黑穗病,对于控制压缩其为害起到了良好效果。效果显著的防治措施是选用抗病品种和减少土壤和肥料中的菌源。墹底大队用中单2号、洛单13号、丹玉6号抗病品种更换了感病的白单4号、群单105、黄白单交,1978年较1977年发病面积减少23%,发病率减 Corn smut is a serious maize disease. Over the past few years, our county science and technology departments and the masses to adopt comprehensive measures to prevent maize head smut, played a good effect for the control of compression damage. Effective prevention and control measures are the selection of resistant varieties and reduce soil and fertilizer in the source. At the end of the base battalion, Zhongdan No. 2, Luodan No. 13 and Danyu No. 6 were used to replace the susceptible Baidan No.4, group 105, yellow and white single cross, and the incidence was reduced by 23% in 1978 compared with 1977, Less incidence