An improved micropropagation of Terminalia bellirica from nodal explants of mature tree

• Autorzy: Phulwaria M. , Rai M. K. , Harish , Gupta A. K. , Ram K. , Shekhawat N. S.
• Języki publikacji: EN

Abstrakty

EN

An efficient and improved in vitro propagation method has been developed for Terminalia bellirica, a medicinally important tree from nodal explants of 10-yearold mature tree. Shoot multiplication was influenced not only by cytokinin types, their concentrations and their interaction with auxin but also by successive transfer of mother explants for different passages, subculture of excised shoots on fresh medium and different medium composition. MS medium containing 2.22 µM BAP was found to be the best for shoot multiplication in a single step. After excision of newly formed shoots, mother explants successively transferred to the same medium produced maximum shoots per explant after IV passage. Further enhancement in morphogenetic response occurred when excised shoot clumps (2–3 shoots) were subcultured on MS medium supplemented with 2.22 µM BAP, 1.16 µM Kn and 0.57 µM IAA. Half-strength MS medium supplemented with 24.60 µM IBA and 100 mg l⁻¹ AC was most effective for rooting of the shoots. To reduce labor, cost and time, an experiment on ex vitro rooting was also carried out and it was observed that highest percent shoots rooted ex vitro when treated with 2,460 µM IBA for 5 min. Plantlets rooted in vitro as well as ex vitro were acclimatized successfully under the green house conditions. In comparison to plantlets developed from in vitro rooted, percent survival of plants those rooted ex vitro was significantly higher. Use of ex vitro rooting technique for plant production serves as a more economical option; therefore, present method can be used for large-scale commercial production of this medicinally important tree.

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2012
• Tom: 34
• Numer: 1
• Opis fizyczny: p.299-305,fig.,ref.

Twórcy

autor

Phulwaria M.

• Biotechnology Unit, Department of Botany, Jai Narain Vyas University, Jodhpur 342033, Rajasthan, India

autor

Rai M. K.

• Biotechnology Unit, Department of Botany, Jai Narain Vyas University, Jodhpur 342033, Rajasthan, India

autor

Harish

• Biotechnology Unit, Department of Botany, Jai Narain Vyas University, Jodhpur 342033, Rajasthan, India

autor

Gupta A. K.

• Biotechnology Unit, Department of Botany, Jai Narain Vyas University, Jodhpur 342033, Rajasthan, India

autor

Ram K.

• Biotechnology Unit, Department of Botany, Jai Narain Vyas University, Jodhpur 342033, Rajasthan, India

autor

Shekhawat N. S.

• Biotechnology Unit, Department of Botany, Jai Narain Vyas University, Jodhpur 342033, Rajasthan, India

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