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. 2018 Nov 15;7(11):bio035279. doi: 10.1242/bio.035279

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© 2018. Published by The Company of Biologists Ltd

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.

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Fig. 3. — Correlation analysis between gas exchange parameters and ψ_w of apple tree leaves under water stress. (A) P_N. (B) G_s. (C) E. (D) C_i. The coefficients of determination (R²) were calculated using the data from all treatments.