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Stimulation of shoot regeneration in Triticum aestivum and Nicotiana plumbaginifolia Viv. tissue cultures using the ethylene inhibitor AgNO3

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Abstract

Silver nitrate effectively promoted shoot regeneration in wheat (Triticum aestivum L.) callus cultures derived from immature embryos. This effect could be observed in both weakly and strongly regenerating cultivars, and in using material from both field and greenhouse grown plants. The role of silver ions as an inhibitor of ethylene action was supported by a reversal of the inhibitory effects of 2,4-D and ethylene on morphogenesis in wheat callus cultures.

Enhancement of shoot regeneration by silver nitrate was also observed in callus cultures of non-regenerating or weakly regenerating mutants of Nicotiana plumbaginifolia Viv. derived from cell cultures.

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Abbreviations

BA:

6-benzyladenine

2,4-D:

2,4-dichlorophenoxyacetic acid

Ethrel:

2-chlorethylphosphonic acid

NAA:

1-naphthaleneacetic acid

NR− :

nitrate reductase deficient

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Author notes

  1. László Purnhauser

    Present address: Cereal Research Institute, P.O. Box 391, H-6701, Szeged, Hungary

  2. Philip J. Dix

    Present address: Department of Biology, St. Patrick's College, Maynooth, Co., Kildare, Ireland

Authors and Affiliations

  1. Institute of Plant Physiology, Biological Research Center, Hungarian Academy of Sciences, P.O. Box 521, H-6701, Szeged, Hungary

    László Purnhauser, Péter Medgyesy, Mihály Czakó, Philip J. Dix & László Márton

Authors
  1. László Purnhauser
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  2. Péter Medgyesy
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  3. Mihály Czakó
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  4. Philip J. Dix
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  5. László Márton
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Additional information

Communicated by P. King

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Purnhauser, L., Medgyesy, P., Czakó, M. et al. Stimulation of shoot regeneration in Triticum aestivum and Nicotiana plumbaginifolia Viv. tissue cultures using the ethylene inhibitor AgNO3 . Plant Cell Reports 6, 1–4 (1987). https://doi.org/10.1007/BF00269725

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  • DOI: https://doi.org/10.1007/BF00269725

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