Metabolic processes in petunias (IMAGE) Purdue University Caption Ying Li and Natalia Dudareva of Purdue’s Department of Horticulture and Landscape Architecture are researching plant metabolic processes in petunias. Credit Purdue Agricultural Communications photo/Tom Campbell Usage Restrictions News organizations may use this image in reports about the work of Purdue University's Ying Li, Natalia Dudareva and their 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.