小麦全蚀病又称小麦立枯病、黑脚病,是小麦生产上的毁灭性病害,该病广泛分布于世界各地,在我国北方麦区、西北麦区和长江中下游麦区均有发生。近年来小麦全蚀病在河南省郑州市均有发生,2013年全市发生面积8.4万亩,占麦播面积的2.9%,局部地区发生较重。小麦患病后,根系被破坏,分蘖减少,植株矮小,成穗率低,千粒重下降,严重的引起植株成簇或大片枯死,造成产量损失,一般减产10%~ Total eclipses of wheat, also known as wheat blight, blackfoot disease, is a devastating disease in the production of wheat. The disease is widely distributed in all parts of the world and occurs both in northern China wheat region, northwest wheat region, and middle and lower reaches of Yangtze River. . In recent years, total eclipses of wheat have occurred in Zhengzhou City, Henan Province. In 2013, an area of ​​84,000 mu occurred in the city, accounting for 2.9% of the total area of ​​wheat sowing. In some areas, serious occurrence occurred. After the illness of wheat, the root system is destroyed, the tillering is reduced, the plants are short, the ear percentage is low, the grain weight is decreased, causing the plants to cluster or withering seriously, resulting in the yield loss, generally reducing the yield by 10%