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. 2020 Jul 2;27:e00497. doi: 10.1016/j.btre.2020.e00497

Fig. 4.

Fig. 4

Secondary metabolites accumulation of 30-day-old Dendrobium Enopi x Dendrobium Pink Lady PLBs pre-cultured under different light sources prior to illuminating under LED lights. Different letters indicate statistically significant differences (p <  0.05) using Duncan Multiple Range Test. (1st: > 3 subculture cycles under cool white LED; 2nd: 1 subculture cycle under red fluorescent light; 3rd: 2 subculture cycles under red fluorescent light).