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Maximum quantum efficiency of photosystem II (Fv/Fm) from leaves of cv. Don Mario (a) and cv. Rosenka (b) stored for 7 days (7S) at 14°C and transferred at 20°C for recovery evaluation (3R and 7R). Values are means with standard errors (n = 10). Data were subjected to one-way ANOVA, and different letters, when present, mean that values are statistically different, P < 0.05.
