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Modifications of floral development in tobacco induced by fusion of protoplasts of different male-sterile cultivars

Theoretical and Applied Genetics volume 79, pages 97–102 (1990)Cite this article

Summary

Protoplasts derived from different cytoplasmic male-sterile cultivars of Nicotiana tabacum were fused. Nearly 200 cybrid calli were regenerated into plants and their flower morphologies were examined. Most cybrids exhibited parental-type male-sterile morphologies. Some, however, showed novel male-sterile phenotypes or phenotypes which combined traits of both male-sterile parents in a new combination. Others were restored to fertility, with stamens which produced functional pollen.

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Author information

Affiliations

  1. Department of Biology, University of Oregon, 97403, Eugene, Oregon, USA

    W. Kofer & H. T. Bonnett

  2. Department of Plant Breeding, Swedish University of Agricultural Sciences, S-75007, Uppsala, Sweden

    K. Glimelius

Authors
  1. W. Kofer
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  2. K. Glimelius
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  3. H. T. Bonnett
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Communicated by P. Maliga

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Kofer, W., Glimelius, K. & Bonnett, H.T. Modifications of floral development in tobacco induced by fusion of protoplasts of different male-sterile cultivars. Theoret. Appl. Genetics 79, 97–102 (1990). https://doi.org/10.1007/BF00223793

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  • DOI: https://doi.org/10.1007/BF00223793

Key words

  • Male sterility
  • Cybrid
  • Tobacco
  • Somatic hybridization