In vitro Propagation of Adenium obesum (Forssk.) Roem. and Schult.
AbstractAn in vitro protocol using shoot tip explants from seedling of Adenium obesum (Forssk.) Roem. and Schult. was developed. Explants were cultured on Murashige and Skoog (MS) medium supplemented with various combinations of NAA and BA. The most effective medium for shoot proliferation at a high frequency of 5.201.10 shoots per explant consisted of 22.2 ?M BA. High rooting and survival were achieved using MS medium supplemented with 0.3% activated charcoal and without any growth regulators. Rooted plants were successfully acclimatized to greenhouse conditions. This study showed that A. obesum could be micropropagated by utilizing multiple shoots derived from seedling shoot tips. A flow cytometric analysis for DNA content revealed no differences among the micropropagated plants and the in vivo natural grown plants. The resulting 2C DNA value (8.350.039 pg) of this species was estimated for the first time.
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