玉米丝黑穗病是我区春玉米的主要病害。1978年起,我们组织力量,协作攻关,积极开展了综合防治的试验、示范和推广工作,经过四年的努力,取得了显著的效果。1981年全区综合防治面积达46万亩,发病株率全区平均1.27％,四年累计共保产玉米2431万多斤,价值218万多元。基本上控制了玉米丝黑穗病的危害,主要体会如下: 一、建立组织,协作攻关,掌握规律,办好样板。1978年初,成立了地区防治玉米 Corn smut is the main disease of spring maize in our district. Since 1978, we have organized forces, collaborated in tackling key problems and actively carried out tests, demonstrations and popularization of comprehensive prevention and control. After four years of hard work, we have achieved remarkable results. In 1981, the comprehensive prevention and control area in the region reached 460,000 mu, with an average incidence rate of 1.27% in the whole district. Over the four years, a total of 24.31 million kilograms of corn for production was insured, worth 2.18 million yuan. Basically control the maize head smut harm, the main experience is as follows: First, the establishment of organizations, collaborative research, master the law, good model. In early 1978, a regional control corn was established