Turfgrass Research Field (IMAGE) American Society of Agronomy Caption Shown are the differences in salinity tolerance among perennial ryegrass genotypes. Credit Courtesy of Stacy Bonos Usage Restrictions For use with story 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.