Agricultural Leadership, Education, and Communication, Department of


G07-1677 Rhizopus Head Rot of Sunflower in Nebraska

Robert M. Harveson, University of Nebraska - Lincoln

Document Type Article

© 2007, The Board of Regents of the University of Nebraska on behalf of the University of Nebraska–Lincoln Extension. All rights reserved.


Sunflower crops grown in Nebraska are susceptible to diseases caused by bacteria, viruses, and nematodes, but the most economically damaging is head rot, caused by the fungal pathogen Rhizopus. This 2007 NebGuides discusses the pathogen and disease history, symptoms, cycle and damage, and management of this disease.