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Segmentations in microspores ofNicotiana sylvestris andNicotiana tabacum which lead to embryoid formation in anther cultures

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Summary

It is shown that an equal division in uninucleate microspores, giving two cells with similar staining nuclei, can initiate embryogenesis in anther cultures ofNicotiana sylvestris andN. tabacum var. Wisconsin 38 and evidence is presented that this pathway is quantitatively important and may be the only one leading to successful pollen embryos. Neither an initial asymmetric division in the uninucleate microspore nor the formation of a “suspensor” are essential to the development of embryo polarity.

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Author notes

  1. A. Rashid

    Present address: Department of Botany, The University, Delhi, India

  2. H. E. Street

    Present address: Botanical Laboratories, University of Leicester, England

Authors and Affiliations

  1. Botanical Laboratories, University of Leicester, England

    A. Rashid

Authors
  1. A. Rashid
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  2. H. E. Street
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Rashid, A., Street, H.E. Segmentations in microspores ofNicotiana sylvestris andNicotiana tabacum which lead to embryoid formation in anther cultures. Protoplasma 80, 323–334 (1974). https://doi.org/10.1007/BF01276349

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  • DOI: https://doi.org/10.1007/BF01276349

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