Plant pathologist C.D. Cruz (IMAGE) Purdue University Caption C.D. Cruz, an associate professor in the Department of Botany and Plant Pathology at Purdue University, leads two research projects involving tar spot in corn funded by the USDA National Institute of Food and Agriculture. Credit Credit Purdue Agricultural Communications/Joshua Clark Usage Restrictions News organizations may use this image in reports about Purdue University’s C.D. Cruz and his collaborators. 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.