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. 2014 Jul 22;65(18):5305–5315. doi: 10.1093/jxb/eru292

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© The Author 2014. 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. 5. — Effect of Al on lignin content and uronic acid content of cell wall fraction. 3-d-old seedlings of WT, OX1, and OX2 were exposed to a 0.5 mmol l^–1 CaCl₂ solution (pH 4.5) containing 0 or 50 µmol l^–1 AlCl₃ for 6h. Root tips (0–10mm) were excised. (A) The content of lignin. (B) Uronic acid content of pectin. (C) Uronic content of HC1. (D) Uronic acid content of HC2. Values are means±SE (n=3). Means with different letters are significantly different (P<0.05 by Tukey test).