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. 2015 Mar 4;66(8):2315–2324. doi: 10.1093/jxb/erv029

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© The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.

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 reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3. — Soil water content (A) and water uptake (B) from two parts of the root system of tomato plants exposed to partial rootzone drying, which was used (C) to derive the fraction of water uptake from each part where the horizontal (dashed) line indicates an estimated water uptake fraction of 0.5. (D) Leaf water potential (open circles) and leaf xylem ABA concentration ([X-ABA]_leaf: filled circles). Non-continuous data in (C) indicate the night period. After 3 d of PRD, the wet and dry sides of the root system were alternated (indicated by a vertical dotted line).