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Observations en culture sur les phases initiales de développement de Peyssonnelia squamaria

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Abstract

The present study attempts to determine the factors which induce spores in the genus Peyssonnelia to undergo two different forms of embryogeny. Carpospores and tetraspores of P. squamaria (Gmelin, 1768) Decaisne, 1841 were cultivated, and two types of development noted: the “Dumontia type”, typical of prevalently saxicolous thalli, and the “Naccaria type”, observed in plants growing as emi-endophytes. This is the first time that this phenomenon has been observed in the Peyssonneliaceae.

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Authors and Affiliations

  1. Istituto ed Orto Botanico, Università di Trieste, Trieste, Italy

    G. Bressan & E. Comelli

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  1. G. Bressan
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  2. E. Comelli
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Additional information

Communicated by B. Battaglia, Padua

Travail realisé par la contribution du C.N.R.

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Bressan, G., Comelli, E. Observations en culture sur les phases initiales de développement de Peyssonnelia squamaria . Mar. Biol. 40, 299–302 (1977). https://doi.org/10.1007/BF00395721

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  • DOI: https://doi.org/10.1007/BF00395721

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