Pradip Poudel (IMAGE) Penn State Caption Pradip Poudel, the doctoral student in the Department of Plant Science who spearheaded the research, with pea and sunflower plants shortly after seeds germinated, growing in trays filled with peat-perlite mix. Credit Penn State Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.