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. 2012 May 2;63(11):4291–4301. doi: 10.1093/jxb/ers118

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© 2012 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. 1. — Height (A) and radial (B) growth of poplars since the beginning of the treatment, i.e. height and diameter differences compared with the height and diameter at time zero. Trees were grown for 60 d under control (filtered air), ozone (200 nl l⁻¹), elevated CO₂ (800 μl l⁻¹) or a combination of ozone and elevated CO₂ conditions. Values are mean ±SE (n=6).