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. 2016 May 10;16:110. doi: 10.1186/s12870-016-0797-1

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© Barkla et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Measurement of pH and malate in EBC extract. Malate (bar graphs) and pH (scatter plot) were measured in leaves of control (light grey bars and symbols) and salt-treated (dark grey bars and symbols) plants at 2 h intervals from 7:00 to 21:00. The yellow horizontal bar represents the light period and black bars represent the dark period. Values are expressed as means of three independent experiments with standard deviation (SD) shown not exceeding 10 %