Shoots of quinoa plants (IMAGE) University of Copenhagen - Faculty of Science Caption Juicy shoots of the quinoa plant are covered with small bladders (left). To the right is a mutant plant completely free of bladder cells. Blue arrows point to thrips – small insects that are serious pests and by which the mutant is attacked more severely. Credit University of Copenhagen Usage Restrictions Image may be used with appropriate caption and credit License Original 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.