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. 2008 Dec 16;60(2):567–580. doi: 10.1093/jxb/ern300

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© 2008 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/2.0/uk/) 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. 7. — (A) Because of limitations of the technique in the range of high O₂ concentrations (see Fig. 6), only the initial slopes (0–38.7% of O₂) of J_O2/C_i curves were used to calculate permeability coefficients of oxygen (Pd_O2). (B) The highest values of Pd_O2 were close to the root apex and decreased along the root, which is most probably due to suberization and/or lignification of roots. Data given are means ±SE (n=5).