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. 2009 Dec 18;61(4):1065–1074. doi: 10.1093/jxb/erp371

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© 2009 The Author(s).

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

This paper is available online free of all access charges (see http://jxb.oxfordjournals.org/open_access.html for further details)

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Fig. 5. — Total ascorbate (complete bar), ASC (grey parts), and DHA (striped pattern) in different root fractions of 8-week-old poplar plants girdled for different periods of time at the transition between stem and root. Total ascorbate and ASC were determined photometrically as described by Haberer et al. (2007). DHA contents were calculated as the difference between these two parameters. c_120 indicates an additional control harvested at day 5 after starting the experiment. Data given are means ±SD from three individual plants. (a) Indices indicate significant differences of total ASC within one root fraction between treatments at P <0.05 and (A) indicates significant differences of DHA of a given root fraction between treatments at P <0.05. Absence of indices indicates that significant differences were not found.