晋中地区小麦黑穗病近年有流行趋势，个别地块发病率达３７．６％，严重威胁小麦生产。主要原因是大面积种植感病品种和带菌种子；复播麦田增加，小麦播期不断推后。主要防治对策是培育多抗品种，留种田和大田都要进行种子处理，以减少发病，对复播小麦的前茬作物采取措施，提早成熟，以保证小麦适期播种。 In recent years, there have been epidemic trends of wheat smut in Jinzhong area. The incidence rate of individual land parcels has reached 37.6%, which seriously threatens the wheat production. The main reason is the large-scale cultivation of susceptible cultivars and contaminated seeds; the multiplication of wheat fields increases and the sowing time of wheat continues to decline. The main control measures are to cultivate more resistant varieties, stay farming and field must be seed treatment, in order to reduce the incidence of the former crop of re-sowing wheat to take measures to premature, in order to ensure proper sowing of wheat.