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Plant regeneration by organogenesis in Glycine max

Abstract

A procedure for the regeneration of fertile plants by organogenesis from tissue cultures of soybeans, Glycine max is described. Seeds were germinated on reduced inorganic salt MS medium containing 5μM BA. Cotyledonary nodes were excised and cultured on the same medium. Presence of BA in the medium during seed germination and culture of nodal explants was required for multiple shoot and shoot-bud formation. Histological analyses established the de novo nature of shoot regeneration. Separate reduction of the concentration of inorganic salts or substitution of sucrose for fructose during culture had minimal effects on the regeneration response. Conversely, if the BA was reduced, the inhibition response could not be overcome by increased salt concentration or altered carbon source.

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Abbreviations

BA:

benzyladenine

IAA:

indoleacetic acid

SAS:

secondary axillary shoots

MS:

Murashige and Skoog (1962) medium

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Author information

Correspondence to M. S. Wright.

Additional information

Communicated by I.K. Vasil

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Wright, M.S., Koehler, S.M., Hinchee, M.A. et al. Plant regeneration by organogenesis in Glycine max . Plant Cell Reports 5, 150–154 (1986). https://doi.org/10.1007/BF00269257

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Keywords

  • Fructose
  • Plant Regeneration
  • Inhibition Response
  • Shoot Regeneration
  • Inorganic Salt