In vitro regeneration of shoots and ex vitro rooting of an important medicinal plant Passiflora foetida L. through nodal segment cultures
2015
Shekhawat, Mahipal S. | Kannan, N. | Manokari, M. | Ravindran, C.P.
Methods were developed in the present investigation for cloning and large scale plant production of Passiflora foetida L. germplasm selected from the East-Coast region of South India. Nodal shoot segments were used as explants. The explants were dressed and surface sterilized with 0.1% (w/v) HgCl2. Multiple shoots were induced (6.13±0.22 shoots per explant) by proliferation of nodal shoot meristems on Murashige and Skoog (MS) semi-solid medium+2.0mgl⁻¹ 6-benzylaminopurine (BAP). The shoots of P. foetida were further multiplied (16.45±0.44 shoots per explant) on MS medium+0.5mgl⁻¹ each of BAP and Kinetin (Kin). The in vitro generated shoots were rooted on half-strength MS medium containing 2.5mgl⁻¹ indole-3 butyric acid (IBA). By this method 67% shoots were rooted. About 97% shoots were rooted ex vitro (8.33±0.29 roots per shoot) when the cut ends of the shoots were treated with 300mgl⁻¹ IBA for 5min. The in vitro rooted plants were hardened and acclimatized in the greenhouse and successfully (100%) transplanted to the field.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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