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. 2024 Jul 3;15:1408731. doi: 10.3389/fpls.2024.1408731

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Copyright © 2024 Parri, Cai, Romi, Cantini, Pinto, Silva and Dias

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Heat map of metabolites extracted from the leaves of olive cultivars Giarraffa (GIA), Leccino (LEC) and Maurino (MAU) irrigated (CTRL) or exposed to drought (DS). Samples were taken at the beginning of the drought stress (t0) and two (t2) and four (t4) weeks after the start of water deprivation. Hierarchical clustering is shown for both metabolites (left) and experimental groups (top). The red and blue colors correspond to higher and lower relative metabolite amounts normalized according to Z-score.