Research Article

Indirect Regeneration and Assessment of Genetic Fidelity of Acclimated Plantlets by SCoT, ISSR, and RAPD Markers in Rauwolfia tetraphylla L.: An Endangered Medicinal Plant

Table 3

Effect of Kinetin (Kn) on callus induction from leaf, stem (internode), and root explants of Rauwolfia tetraphylla L.

ExplantMS + Kn (mg/L)Morphogenetic ResponseCallus
Mean fresh weight (mg)Mean dry weight (mg)

Leaf1.0No response----
2.0Friable white callus201.4 ± 0.111.1 ± 0.1
3.0Friable green callus226.3 ± 0.413.5 ± 0.2
4.0Pale brown callus334.6 ± 1.018.5± 0.6
5.0Pale brown callus349.5 ± 0.422.8 ± 0.1

Stem (Inter node)1.0Friable white callus218.6 ± 0.23.6 ± 0.1
2.0Friable White callus233.3 ± 0.24.2 ± 0.1
3.0Friable White callus264.9 ± 0.97.8 ± 0.2
4.0Pale brown callus309.4 ± 0.811.5 ± 0.6
5.0Pale brown callus343.2 ± 0.614.4 ± 0.2

Root1.0Single shoot bud--
2.0Two shoot buds--
3.0Multiple shoot buds--
4.0Multiple shoot buds--
5.0Multiple shoot buds--

Data represents average of three replicates. Each replicate consists of 25 cultures. Data scored at the end of 3 weeks of culture. Mean ± standard error. Mean followed by the same superscript in a column is not significantly different at P=0.05.