Root Induction Medium (IMAGE) Boyce Thompson Institute Caption A researcher transfers a tomato plantlet into root induction medium to encourage the growth of roots. Credit Photo by Sheryl Sinkow Usage Restrictions Photo use permitted with proper credit to Sheryl Sinkow. 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.