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 2

Effect of naphthalene acetic acid (NAA), on callus induction from leaf, stem (internode), and root explants of Rauwolfia tetraphylla L.

Explant
MS + NAA (mg/L)Morphogenetic ResponseCallus
Mean fresh weight (mg)Mean dry weight (mg)

Leaf1.0Friable white callus311.7 ± 0.31c19.1 ± 0.23c
2.0Friable white callus313.5 ± 0.23d19.5± 0.67b
3.0Friable pale brown callus with roots303.6 ± 0.55e19.0 ± 0.54d
4.0Friable pale brown callus with roots291.5 ± 0.18f17.2± 0.33e
5.0Friable pale brown callus with roots242.4 ± 0.23j15.6 ± 0.80g

Stem
(Inter node)
1.0Friable white callus153.3 ± 0.14l2.2± 0.43m
2.0Friable white callus255.4 ± 0.40i4.9 ± 0.45l
3.0Friable white callus303.6 ± 0.47e10.1 ± 0.13h
4.0Pale brown callus343.1 ± 0.21b15.8 ± 0.36f
5.0Pale brown callus412.8 ± 0.49a25.1 ± 0.15a

Root1.0White friable callus256.5 ± 0.38i9.5 ± 0.19k
2.0White friable callus277.4 ± 0.14g16.1 ± 0.03f
3.0Pale brown callus262.1 ± 0.21h14.6 ± 0.43h
4.0Brown callus258.4 ± 0.74i13.9 ± 0.67i
5.0Dark brown callus243.8 ± 0.36j13.2 ± 0.31i

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.