(IMAGE) Martin-Luther-Universität Halle-Wittenberg Caption On the right, plants with the special gene variant are growing - ears of barley are already visible. On the left, plants at a slower pace and their ears are not visible yet. Credit Uni Halle / Tanja Zahn Usage Restrictions use for covering the research with 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.