Figure 1.

Time-course of growth of C. roseus suspension cultures under light v/s dark conditions. Actively growing cells from 4-day-old cultures were inoculated into MS medium supplemented with growth regulators and cultured under 16 h day/8 h dark photoperiod or under complete dark conditions. Cells were harvested on the indicated day and the fresh weight was determined. Values are expressed as the means ± SD (n = 3).