Micropropagation of Nerium Oleander through the Immature Pods

T. Soundararajan, C.M. Karrunakaran

Abstract


Oleander (Nerium oleander L.) is a vegetatively propagated ornamental plant valued for its evergreen foliage
and showy terminal flower clusters that are available in different colours. Oleander is cultivated recently as a
flowering pot plant and therefore abundant propagation plant material for commercial use is of great importance.
This species also produces secondary metabolites (Paper & Franz 1989), some of which are of pharmacological
interest. In vitro culture of plants has gained importance during recent years because, besides other application,
this technique can be used for the rapid multiplication of some plants (Tisserat 1987). As far as we are aware,
there are no published reports about micropropagation of Nerium oleander and the aim of the present work was
to determine the culture conditions for micropropagation of this plant.
To induce callus formation from pods of Nerium oleander,and study the in vitro growth conditions of calli.
Study the specific growth factor for root and shoot induction, and transplantation and acclimatization of explants
and isolation of the DNA from explants. Standardization of micropropagation protocol of Nerium oleander.
In the case of Nerium oleander, the micropropagation technique from pods were established. We also raised
plantlets from the callus and also subjected the DNA for analysis and done RAPD to find the difference between
the normal and in vitro plants, the result is no difference-this shows that the plants are identical. Standardization
of surface sterilization protocol, aseptic culture initiation,establishment and multiplication, suitable media for
rooting and a suitable protocol for hardening in order to achieve quality transplant.Optimizitation of medium for
callus induction, maintenance and regeneration.


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Journal of Agricultural Science ISSN 1916-9752 (Print) ISSN 1916-9760 (Online)

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