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Benzyladenine Induced Somatic Embryogenesis and Plant Regeneration of Leptadenia reticulata

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Biologia Plantarum

Abstract

Plant regeneration through indirect somatic embryogenesis was attempted from leaf, internode, node and shoot-tip derived callus of Leptadenia reticulata. Somatic embryos at the highest frequency was induced on Murashige and Skoog (MS) medium supplemented with 8.87 μM benzyladenine (BA) and 2.46 μM indole-3-butyric acid (IBA). From different explants, only shoot-tip and node explant derived calli induced somatic embryos. Transfer of the embryogenic callus to suspension cultures of the same concentration of growth regulators facilitated the development of embryos. Suspension cultures with reduced concentration of BA (2.22 μM) either alone or in combination with 0.49 μM IBA fostered maturation of embryos. Half-strength MS solid medium with 1.44 μM GA3 and BA (0.22 or 0.44 μM) facilitated conversion of embryos into plantlets at higher rate compared to that on with BA alone. About 77 plantlets were recovered from 10 mg callus. Plantlets transferred to small cups and subsequently to field survived in 80 %. All the plantlets established in the field exhibited morphological characters similar to that of the mother plant.

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Authors and Affiliations

  1. Department of Biotechnology, University of Calicut, Kerala, 673 635, India

    K.P. Martin

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  1. K.P. Martin
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Martin, K. Benzyladenine Induced Somatic Embryogenesis and Plant Regeneration of Leptadenia reticulata . Biologia Plantarum 48, 285–288 (2004). https://doi.org/10.1023/B:BIOP.0000033457.09115.f3

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  • DOI: https://doi.org/10.1023/B:BIOP.0000033457.09115.f3

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