我省小麦根病主要有纹枯病、全蚀病和根腐病等,它们均属土壤习居性真菌病害。近几年来,由于水肥条件的改善以及栽培管理等方面的问题,特别是小麦高留茬,为病原积累提供 Wheat root disease in our province mainly sheath blight, total eclogion and root rot, which are soil habitat fungal diseases. In recent years, due to the improvement of water and fertilizer conditions and cultivation and management and other aspects of the problem, especially wheat stubble for the accumulation of pathogens