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An efficient in vitro plant regeneration system for the medicinal plant Teucrium stocksianum Boiss.


An efficient and rapid plant regeneration system via direct organogenesis was established for Teucrium stocksianum Boiss. (Lamiaceae), an endangered and valuable medicinal plant. Hypocotyl explants excised from seedlings germinated in vitro were cultured on Murashige and Skoog (MS) medium supplemented with different concentrations of kinetin and indoleacetic acid (IAA) to induce shoot formation. Differentiation of multiple shoots was initiated within 3 weeks of culture. Optimal regeneration was achieved on medium containing 3 mg/l kinetin and 0.5 mg/l IAA. This particular medium composition significantly improved the production of multiple shoots directly from hypocotyl explants compared to other combinations of plant growth regulators. Root induction was achieved on half-strength MS medium containing indole-3-butyric acid. Rooted plantlets were successfully acclimatized, with a survival rate of 75–80%. The protocol developed in this study could be used for long-term in vitro conservation and mass propagation of this species.

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This work was financially supported by the Research Affairs at the UAE University under a contract no. 06-04-2-11/ 05.

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Correspondence to Naima Bouhouche.

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Bouhouche, N., Ksiksi, T. An efficient in vitro plant regeneration system for the medicinal plant Teucrium stocksianum Boiss.. Plant Biotechnol Rep 1, 179–184 (2007).

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  • Medicinal plant
  • Micropropagation
  • Organogenesis
  • Teucrium stocksianum
  • Tissue culture