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. 2015 May 12;6:314. doi: 10.3389/fpls.2015.00314

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Copyright © 2015 Morari, Meggio, Lunardon, Scudiero, Forestan, Farinati and Varotto.

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) or licensor 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 representing the relative quantification of gene expression in maize leaves of B73 inbred line and hybrid P26 at two time points, after 10 days of stress (T10) and 4 days of recovery (T14) following the application of drought (WS), salinity (SS), and drought+salinity (WS+SS). The maize GAPC2 gene was selected as internal control. Each experiment was run in triplicate. Data from qRT-PCR experiments were analyzed according to the Pfaffl method and gene expression was calculated as the fold change (FC) relative to the expression level of the control non-stressed sample (C) of the same genotype at T10. Cell colors represent the log₂(FC) values: blue color for higher relative expression values, red color for lower relative expression values.