Fig. 6.

Effects of different concentrations of methyl jasmonate (mM), added on day 26, on the concentrations of a scopolamine, b hyoscyamine, c anisodamine and d cuscohygrine in SF-grown H. niger hairy root cultures. Values represent the mean of 3 samples, error bars refer to total culture content of the respective alkaloids. Symbols indicate significant difference (Holm-Sidak test, p < 0.05) in alkaloid content in roots (asterisk), growth medium (dagger) and total culture (double dagger) in comparison to control group (C cultures supplemented with ethanol only)