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Daily profile of leaf xanthophyll cycle DES (a and b) for IR65 (□, ▪) and IR72 (▿, ▾). Also shown in a is DES for a leaf left in a horizontal position for 5 d (⋄). Fv′/Fm′ is shown for leaves of IR65 (c and d) and IR72 (e and f). ○, •, Face 1; ▵, face 2. Leaves are shown 60 d (a, c, and e) and 100 d (b, d, and f) following transplanting.
