Dr. Matthew Helm (IMAGE) American Phytopathological Society Caption First Author Matthew Helm in a field of corn Credit Matthew Helm Usage Restrictions Credit must be given to the creator; photo must be published with article. License Original 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.