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. 2012 Oct 17;63(18):6335–6345. doi: 10.1093/jxb/ers285

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© 2012 The Authors.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 5. — Relationships between relative expression of CYP707A2 and PLDα in Petunia leaves and leaf abscisic acid (ABA) concentration (A and B) and midday leaf water potential (Ψ_leaf; C and D). Substrate water content treatments: 0.40 (circles), 0.30 (diamonds); 0.20 (squares), and 0.10 m³·m^–3 (triangles). Closed symbols indicate data collected during the drying period and open symbols indicate data collected after substrate water content thresholds had been reached. Regression curves indicate significant relationships between gene expression and leaf ABA concentration/midday leaf water potential during the drying period.