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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. 2. — ³⁵S in root fractions (A), relative root fresh weight of each fraction (B), and relative ³⁵S distribution between root fractions (C). (A) ³⁵S radioactivity in the six root fractions (see Fig. 1) 2, 3, and 5 h after feeding [³⁵S]GSH to a mature leaf. (B) Contribution of the six different root fractions to total root fresh weight. Total root fresh weight of the individual poplar plants was set to 100% and the percentage of each fraction was calculated. (C) The contribution of ³⁵S detected in each of the six root fractions to total root ³⁵S radioactivity per root system of poplar plants fed with [³⁵S]GSH to a mature leaf. Total ³⁵S determined in the whole root system was set to 100%. The contribution of each root fraction was calculated. Data given are mean values from three poplar plants investigated per time point. Different indices indicate significant differences between root fractions at P <0.05.