Abstract
Regeneration via somatic embryogenesis from callus was studied in Dicentra spectabilis. To obtain somatic embryogenic callus, we cultured D. spectabilis seeds on MS basal media supplemented with various concentrations of 2,4-dichlorophenoxyacetic acid (2,4-D). The highest percentage of embryogenic callus formation was observed on media containing 1.0 mg/l 2,4-D under dark conditions. Somatic embryogenesis was studied by transferring the callus onto MS basal medium containing different concentrations (0.0, 0.1, 0.5, 1.0, 2.0 mg/l) of KIN (kinetin) and/or BAP. Somatic embryogenesis on MS basal media with 1.0 mg/l of KIN was excellent under light conditions. Somatic embryos were rooted by transferring them to half-strength MS basal media containing 2 g/l Phytagel. About 64.2% of the somatic embryos converted to rooted plantlets, 4% showed secondary embryogenesis and 31.8% did not develop and died. Rooted plantlets showed a 46% survival rate when acclimatized ex vitro.
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Abbreviations
- BAP :
-
6-Benzylaminopurine
- 2.4-D :
-
2,4-Dichlorophenoxyacetic acid
- KIN :
-
Kinetin
- SEM :
-
Scanning electron microscopy
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This investigation was supported by the Dongguk University Research Fund
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Communicated by H. Lörz
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Lee, K.P., Lee, D.W. Somatic embryogenesis and plant regeneration from seeds of wild Dicentra spectabilis (L.) LEM. Plant Cell Rep 22, 105–109 (2003). https://doi.org/10.1007/s00299-003-0642-5
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DOI: https://doi.org/10.1007/s00299-003-0642-5