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Chlorophyll accumulation after light treatment in rhizomes of Cymbidium hybrids RB003 and RB012. (a) RB003; (b) RB012. From the upper left: dark-treated rhizomes treated with light for 0, 1, 5, 7, 10, 14, 15, 20, and 21 days. Dark treatment durations were 60 and 75 days for the rhizomes of Cymbidium hybrids RB003 and RB012, respectively.
