Figure 4From: Enhanced production of flavonoids by methyl jasmonate elicitation in cell suspension culture of Hypericum perforatum The effects of four abiotic elicitors on H. perforatum cell growth and flavonoid accumulation. 1 Control; 2 MeJA; 3 SA; 4 NH4VO3; 5 NiSO4 (*P < 0.05, **P < 0.01, and ***P < 0.001 indicate statistical significance compared to the control).Back to article page