Georgios Vidalkakis and Wenbo Ma (IMAGE) University of California - Riverside Caption Georgios Vidalkakis and Wenbo Ma are two of the researchers who recently received a $4 million grant to study a disease devastating the citrus industry. Credit UC Riverside Usage Restrictions None 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.