我省小麦病害种类较多,其中以条锈、叶锈、白粉和赤霉病等发生危害较普遍和严重。此外,如小麦腥黑穗病、散黑穗病、黄矮病、丛矮病、土传花叶病、叶枯病、纹枯病和根腐病等,在局部地区或年份发生、流行,造成不同程度损失。近年来小麦白粉病年发生达一千万亩左右,锈病也有一至二千万亩,赤霉病于1985年全省大流行,发病面积约及四千多万亩,仅此三种病害造成小麦损失就达五至十亿公斤. There are many kinds of wheat diseases in our province, among which the occurrence of stripe rust, leaf rust, white powder and scab, etc. are more common and serious. In addition, such as wheat tangled smut, scattered smut, yellow dwarf, cotyledons dwarf disease, soil Mosaic disease, leaf blight, sheath blight and root rot occur in some areas or years, epidemic, Cause different levels of loss. In recent years, the annual incidence of wheat powdery mildew has reached 10 million mu and the rust disease has one to 20 million mu. The scab has spread to the province in 1985 with an area of ​​about 40 million mu. Only three diseases caused wheat The loss amounts to five to one billion kilos.