in taxon disease causes dysfunction of disease has infectious agent Triticum aestivum Fusarium graminearum spike inflorescence plant disease wheat fungal disease wheat fusarium head blight fungal disease plant_stress_ontology APSNET:Wheat Symptoms and signs: one or more spikes or entire heads become bleached, superficial, often pink or organge masses of macrocondinia may be seen on and especially in the base of diseased spikelets. Small dark (blue black) perithesia will often be evident sometimes after the ntial infection and especially abandant on on infected spikelets, notes, and crowns. A wheat disease caused by a Fusarium graminearum affecting a spike inflorescence. PSO:cooperl 0000-0002-9013-5974 scab