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. 2014 Jul 23;1:14033. doi: 10.1038/hortres.2014.33

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Copyright © 2014 Nanjing Agricultural University

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/

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Net CO₂ assimilation rate (A, a) of S. alba and S. tomentosa accessions from Illinois (A-IL and T-IL) and Michigan (A-MI and T-MI) exposed to well-watered (WW, black columns) or 45 days of water-stress (WS, gray columns) treatments. Columns are means (n=4–5) and bars are ±s.e. Transpiration rate (E, b), and stomatal conductance (g_s, c) of well-watered (WW, black columns) or 45 days of water-stress (WS, gray columns) treatments. Asterisks indicate significant differences between treatments at *p<0.05.