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. 2011 Nov 4;63(2):859–870. doi: 10.1093/jxb/err314

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© 2011 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/3.0), 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. 8. — Both stem girdling and the application of auxin transport inhibitors blocked the Fe-deficiency responses. (A) Rhizosphere pH and root Fe (III) reductase activity of M. xiaojinensis in response to stem girdling. (B) Root Fe (III) reductase activity of M. xiaojinensis in response to treatment with –Fe, exogenous IAA +Fe, and NPA –Fe. (C) Expression of MxFRO₂ genes in roots of M. xiaojinensis treated with –Fe, exogenous IAA +Fe, and NPA –Fe. Values are means based on at least ten plants; bars represent SD. FW, fresh weight. Means ±SD followed by different letters indicate a statistical difference at P <0.05. Bar=2 cm.