corn roots (IMAGE) Penn State Caption Corn roots are shown here in the greenhouse. Root segments from each of the corn and wheat genotypes were collected, measured and tested for tensile strength and root tip bending force. Credit Hannah Schneider, Penn State Usage Restrictions non commercial use only 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.