小麦赤霉病又称麦穗枯、烂麦头、红麦头等。在小麦的各生育阶段均能为害,主要引起苗枯、茎基腐、秆腐和穗腐,在田间以穗腐最为常见。穗腐通常在小麦扬花期发生,最初在小穗颖片基部出现水渍状淡褐色斑点,条件适宜时,病情扩展可达整个小穗或多个小 Wheat scab also known as wheat head blight, Rotten wheat head, red head. In each stage of wheat can damage, mainly caused by shoot blight, stem base rot, stalk rot and ear rot, ear rot in the field most common. Ear rot usually occurs in the flowering stage of wheat, initially in the spikelets at the base of water-like light brown spots appear, when conditions permit, the disease can extend up to the entire spikelets or small