In vitro plant regeneration from seedling explants of Stereospermum personatum D.C.: a medicinal tree
2009
Shukla, Susmita | Shukla, S. K. | Mishra, S. K.
Padar (Stereospermum personatum, family Bignoniaceae) is a well-known medicinal tree. Its complete regeneration occurred through shoot bud culture in vitro. The seeds germinated sequentially on plastic trays and polyethylene bags for 21 days served as explants source. Nodal segments from the seedlings were established on MS medium supplemented with 4.44 μM BA, in which 86.6% nodes showed shoot bud elongation. Then, nodal segments from the developed shoots were cultured on MS medium with several BA concentrations; best shoot multiplication was obtained with 0.44 μM BA. In a second experiment where PVP was added to proliferation medium, nodal segments from developed shoots produced maximum 2.78 shoots per node. The nodal segments showed shoot multiplication up to seventh subculture on. Finally, shoots were rooted on MS medium with 2.46 μM IBA. The plants transferred to net pots containing coco-peat were acclimatized in green house, where more than 80% plants survived and grew normally.
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