In vitro propagation and assessment of clonal fidelity of Nepenthes khasiana Hook. f.: a medicinal insectivorous plant of India

• Autorzy: Devi S.P. , Kumaria S. , Rao S. R. , Tandon P.
• Języki publikacji: EN

Abstrakty

EN

An efficient in vitro protocol for large-scale multiplication of Nepenthes khasiana, a threatened insectivorous plant of India, has been developed from nodal stem segments. The highest shoot proliferation of 19.16 ± 0.23 shoots/explant was recorded in half-strength Murashige and Skoog (MS) medium supplemented with 2.5 mg/l kinetin, 2.0 mg/l 6-benzyl aminopurine, 3 % sucrose and 0.8 % agar. The best rooting was achieved in half-strength MS medium supplemented with 2.0 mg/l a-naphthalene acetic acid with an average of 9.04 ± 0.46 roots/shoot. The plantlets were successfully transferred to the greenhouse with survival rate of 92 %, exhibiting normal development. Cytological and random amplified polymorphic DNA (RAPD) analyses were carried out to assess the genetic integrity of the regenerated plantlets. Cytological analysis revealed no change in chromosome number with cells studied showing 2n = 80. Of the 80 primers screened for RAPD analysis, 14 primers resulted in clear and scorable bands. A total of 72 amplification products were obtained out of which only 4.1 % bands were polymorphic. Cluster analysis of the RAPD profile revealed an average similarity coefficient ranging from 0.98 to 1.0, thus suggesting genetic stability in the micropropagated plants of N. khasiana.

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2013
• Tom: 35
• Numer: 09
• Opis fizyczny: p.2813-2820,fig.,ref.

Twórcy

autor

Devi S.P.

• Department of Botany, North-Eastern Hill University, Shillong 793022, India

autor

Kumaria S.

• Department of Botany, North-Eastern Hill University, Shillong 793022, India

autor

Rao S. R.

• Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong 793022, India

autor

Tandon P.

• Department of Botany, North-Eastern Hill University, Shillong 793022, India

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