Abscission in <I>Arabidopsis thaliana</i> (IMAGE) University of Missouri-Columbia Caption Expression of a flourescent protein in the abscission zone of Arabidopsis thaliana. Credit John Walker 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.