小麦纹枯病是近年来我市小麦新上升的一种主要病害，发生普遍，危害日趋加重，已成为影响小麦高产稳产的主要因素之一。该病属流行期长、流行速率低的病害，防治的有效途径是降低病害基数、及早控制其水平扩展蔓延。策略上除在播种前采用深耕灭菌源、选用丰产抗病品种、推... Wheat sheath blight is one of the main diseases newly rising in our city in recent years. It is widespread and the harm is aggravating day by day. It has become one of the main factors affecting high and stable yield of wheat. The disease is a long epidemic, the prevalence of low-rate diseases, the effective way to control is to reduce the base of disease, as soon as possible to control the spread of its expansion. In addition to strategies used before sowing deep plowing source, use high yield disease-resistant varieties, push ...