Bacterial leaf spot (Blight) | Poinsettia

HOST:Poinsettia

HOST (LATIN):Euphorbia pulcherrima

PATHOGEN:Curtobacterium flaccumfaciens pv. poinsettiae

SOURCE:APS

Poinsettia with diseased stem. Woody stems may have a yellowed cortex and dark vascular tissues. The stem tip may curve with deformed terminal leaves.