Diseased Corn (IMAGE) University of Delaware Caption Corn without resistance to the fungus Colletotrichum graminicola can be attacked by the devastating disease anthracnose stalk rot. Credit Kathy F. Atkinson/University of Delaware Usage Restrictions Image must include credit to University of Delaware. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.