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. 2009 May 6;60(11):3031–3042. doi: 10.1093/jxb/erp131

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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/2.0/uk/) 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. — Pigment levels and their ratios in green (closed circles) and red (open circles) phenotypes of C. creticus sampled on the dates indicated. The arrows denote the start and the end of the ‘red’ period. Leaves senesce and fall from mid-April to mid-May in parallel with new leaf emergence. During April, when old and new leaves co-occur, only old leaves (green and red, respectively) were sampled. The May sampling concerns new green leaves for both phenotypes. Values are means from two independent extractions per sampling date. Differences in each parameter between the two phenotypes are not significant during the ‘green’ period, but they are during the ‘red’ period, with the exception of the epoxidation state (EPS). P-values for the red period are inserted. VAZ=violaxanthin+antheraxanthin+zeaxanthin; EPS=(V+0.5A)/VAZ.