甘肃平凉地处小麦条锈病病菌越夏、越冬的桥梁地带,是我国小麦条锈病菌的主要菌源地之一。越夏菌源量多寡,对该地乃至全国冬麦区秋季和来年春季发病程度影响很大。2004年在当地海拔1450m以上的条锈病越夏区自生麦苗上条锈病严重发生,发病范围之广和发病程度之重,在本市是罕见的 Pingliang, Gansu Province is located in the summer of summer wheat stripe rust overwintering bridge zone is one of the main sources of wheat stripe rust in our country. The amount of summer bacteria, the amount of winter or winter wheat in the region and the next spring a significant impact on the severity. In 2004 the local rust more than 1450m above the stripe rust in the summer of the autonomous wheat seedlings on the rust occurred serious, a wide range of incidence and severity of the disease, is rare in the city