Headspace (image) Max Planck Institute for Chemical Ecology Share Print E-Mail Caption Traces of the defensive volatile trans-α-bergamotene (TAB) are trapped in the headspace of a plant. Even if only one single plant produces this odor, this has an effect on all neighboring plants. Credit Meredith Schuman, MPI Chem. Ecol. / eLife Usage Restrictions None Share Print E-Mail 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.