２０世纪９０年代中期以来，随着小麦、玉米１a两熟模式种植面积的扩大，使小麦纹枯病、全蚀病、根腐病等根病发生为害加重，严重降低了小麦的生产效益。为有效控制小麦根病的发生为害，为生产提供行之有效的防治措施，笔者自１９９８～２０００年连续３a进行了药剂拌种防治小 Since the mid 90s of the 20th century, with the enlargement of planting areas of wheat and maize la in two ripening modes, the occurrence of root blight such as wheat sheath blight, total eclipse and root rot aggravate, which severely reduced the production efficiency of wheat. In order to effectively control the occurrence of wheat root disease, to provide effective prevention and control measures for the production, the author from 1998 to 2000 for 3 consecutive years of drug dressing prevention and treatment of small