玉米是近十年来黑龙江省种植面积增加最快、产量增长最多的作物。目前,黑龙江省玉米栽培面积和总产量略高于水稻居第一位,然而近年来玉米丝黑穗病在黑龙江省局部地区,特别是连作地块有逐重趋势,制约了玉米产量和品质,给农民造成严重经济损失。为科学防控玉米丝黑穗病,笔者特整理此文,以供玉米种植专业合作社农民、植 Corn is the crop with the fastest increase in planting area and the largest increase in output in Heilongjiang Province in the past decade. At present, the area and total output of maize in Heilongjiang Province is slightly higher than that of rice. However, in recent years, the maize head smut has a tendency of heavy weight in some areas in Heilongjiang Province, especially the continuous cropping plots, which restrict the yield and quality of maize. Cause serious economic losses to farmers. For the scientific prevention and control of maize smut, I specialize in this article, for corn planting cooperatives farmers, planting