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. 2009 Oct 25;61(2):347–356. doi: 10.1093/jxb/erp306

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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. 1. — (A) Response of root elongation in Arabidopsis wild-type (Col-0) seedlings to varying concentrations of AlCl₃ (A). The lengths of primary roots were measured after the seedlings were exposed to solutions containing 0, 20, 50, and 100 μM AlCl₃ in addition to 0.5 mM CaCl₂ pH 4.5 for 24 h. Data are presented as relative root elongation compared with control values. All values are means ±SE of >8 roots. (B) Time course of ethylene evolution from root tips of wild-type Arabidopsis upon exposure to 50 μM AlCl₃. Values are means ±SE of five replicates.