Abstract
Shoot multiplication and plant regeneration was achieved from freshly sprouted shoots of Curcuma aromatica on Murashige and Skoog's medium supplemented with BA alone (1–7 mgL−1) or a combination of BA(1–5 mgL−1) and Kn (0.5–1 mgL−1). A concentration of 5 mgL−1 BA was optimum for shoot multiplication and rooting of shoots. The regenerated plants grew profusely on transfer to liquid medium.In vitro raised plants were successfully established in the field. Microrhizomes were induced at the base of the in vitro derived shoots upon transfer to medium containingvarious combinations and concentrations of sucrose and BA and grown under varying photoperiods. MS basal medium with 5 mgL−1 BA, 60 gL−1 sucrose and an8 h photoperiod was optimum for induction ofmicrorhizomes within 30 days of culture. Harvestedmicrorhizomes stored in moist sand in poly-bagssprouted after 2 months of storage at roomtemperature. For in vitro storage, microrhizomeswere grown in medium containing 0.1 mgL−1 BA.Microrhizome formation was found to be controlled bythe concentrations of BA and sucrose as well asphotoperiod during culture.
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Nayak, S. In vitro multiplication and microrhizome induction in Curcuma aromatica Salisb.. Plant Growth Regulation 32, 41–47 (2000). https://doi.org/10.1023/A:1006307316393
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DOI: https://doi.org/10.1023/A:1006307316393