Paper Figure Illustration (IMAGE) Dartmouth College Caption Shutting down for the night: Differences in plant stomatal activity under drought and well-watered conditions during days three and four of research indicate that the global crop Brassica rapa may respond to early-stage drought by closing its stomata more fully at night. Credit Dartmouth College Usage Restrictions None 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.