2. Biomass accumulation (g) of friable calluses derived from leaf segments cultured
with the abaxial surface in contact with media supplemented with different
concentrations of PIC for 60 days. (a) Cultures maintained in the presence of light
and (b) cultures maintained in darkness. FW – Fresh Weight, DW – Dry Weight.
Means with the same letters are not significantly different at p ≤ 0.05.