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The amount of total chlorophyll, chlorophyll a, chlorophyll b and the chlorophyll a/b ratios in wild-type and OgPSY-RNAi transgenic Oncidium . (A) Total chlorophyll; (B) Chlorophyll a; (C) Chlorophyll b and (D) The chlorophyll a/b ratios in wild-type and OgPSY-RNAi transgenic Oncidium. The experiment was repeated three times.
