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. 2010 Oct 28;62(2):687–699. doi: 10.1093/jxb/erq302

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© 2010 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. 2. — The effect of light orientation and dark chilling on leaf-side-specific rates of photosynthesis (A) and stomatal conductance (B) in P. dilatatum leaves. Plants were either maintained at optimal growth temperatures (controls), or subjected to dark chilling for either one or two nights. CO₂-assimilation rates (A, C) and stomatal conductance (B, D) were determined on the adaxial (closed bars) and the abaxial (open bars) leaf surfaces. Light was oriented to either the adaxial (A, B) or the abaxial (C, D) leaf surface. Data are the mean values±SE of nine plants per treatment with each gas-exchange parameter measured separately. The different letters represent significant differences (P<0.05) and * indicates values below the levels of detection.