Abstract
Different plant explants of Persian buttercup (Ranunculus asiaticus L.) were screened for callus induction and adventitious shoot regeneration on different media to establish totipotent cultures. Murashige & Skoog (MS) medium was used, supplemented with different concentrations of the following growth regulators: kinetin, benzyladenine (BA), naphthaleneacetic acid (NAA) and indoleacetic acid (IAA). Callus was induced and adventitious buds regenerated only from cotyledonary explants after 4–5 weeks. Subculture of the regenerated buds on the same basal medium in presence of gibberellic acid (GA3) and BA produced well-organized shoots. Rooting was obtained by transferring shoots to growth regulator-free MS medium. A high rate of shoot multiplication has been achieved on medium with high concentration of kinetin and long-day photoperiod. Finally the plants were successfully transferred to soil and grown in a greenhouse.
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