<i>Ipomoea batatas</i> (IMAGE) Max Planck Institute for Chemical Ecology Caption Typical herbivore damage on the leaves of sweet potato Ipomoea batatas: Researchers found that one single volatile from the plant's chemical vocabulary, namely (E)-3,8-dimethyl-1,4,7-nonatriene or DMNT, can alert neighboring plants to activate their defenses against insect attack. Credit Anja Meents, Max Planck Institute for Chemical Ecology 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.