小麦赤霉病别名麦穗枯、烂麦头、红麦头、干麦头,是小麦的主要病害之一,主要由禾谷镰刀菌引起。小麦赤霉病在全世界普遍发生,主要分布于潮湿和半潮湿区域,尤其气候湿润多雨的温带地区受害严重。从幼苗到抽穗都可受害,主要引起苗枯、茎基腐、秆腐和穗腐,其中危害最严重的是穗腐,近几年在河北省中南部已成为常发性病害。 Wheat scab belongs to the wheat head blight, rotten wheat head, red head, dry wheat head, is one of the major diseases of wheat, mainly caused by Fusarium graminearum. Wheat head blight occurs throughout the world, mainly in humid and semi-humid areas, especially in humid and rainy temperate climates. From seedling to heading can be harmed, mainly caused by shoot blight, stem rot, stalk rot and ear rot, the most serious of which is the ear rot, in recent years in central and southern Hebei Province has become a common disease.