Fig. 2From: Improving large-scale biomass and total alkaloid production of Dendrobium nobile Lindl. using a temporary immersion bioreactor system and MeJA elicitationa Effect of immersion frequency on biomass accumulation of D. nobile after 80 days of TIBS culture. b Effect of culture time on biomass accumulation of D. nobile at an immersion frequency of 5 min every 6 h of TIBS culture. Data represents the mean ± standard error of three replicates. Bars followed by a different letter denote significant statistical differences (Tukey, P ≤ 0.05)Back to article page