Lettuce-coring Tools (IMAGE) University of Arizona Caption Lettuce-coring tools can spread food-borne microbes from plant to plant. As part of the grant, the researchers will study contamination through harvesting processes and recommend modifications if necessary. Credit Sadhana Ravishankar Usage Restrictions Usage only permitted in conjunction with reporting/posting of this news release. Credit must be indicated. 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.