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Mean values (± s.e.) of (A) photosynthetic efficiency in parent ramets growing in heterogeneous and homogeneous environments, as estimated by the maximum quantum yield of PSII (Fv/Fm) (ANOVAR indicated significant between-subjects effects: F1,12 = 5·29, P < 0·05), and (B) the effective quantum yield of PSII (ΦPSII). ANOVAR indicated significant between-subjects effects: F1,12 = 7·50, P < 0·05.
