Hydrobiologia

, Volume 204, Issue 1, pp 461–466

The life cycle of Laminaria abyssalis (Laminariales, Phaeophyta) in culture

Authors

  • Yocie Yoneshigue-Valentin
    • Instituto de Estudos do Mar Alte Paulo Moreira
Cultivation, tissue culture and strain selection

DOI: 10.1007/BF00040271

Cite this article as:
Yoneshigue-Valentin, Y. Hydrobiologia (1990) 204: 461. doi:10.1007/BF00040271

Abstract

Laminaria abyssalis occurs in deep water in tropical latitudes of the Brazilian coast (19° 23′ S, 38° 28′ W to 22° 54′ S, 42° 13′ 09″ W). Its life cycle has been completed in the laboratory in seven months using different conditions of light and temperature. The gametophytic stage required for growth the low photon flux density of 1.2 ± 0.3 µmol m−2 s−1 and 18 °C, while the juvenile and adult sporophytes needed 15 µmol m−2 s−1 and 18 °C. The sporophytes became fertile at 23 °C. Our results showed that light and temperature are the main factors regulating the growth and life history of this species under the culture conditions tested.

Key words

Brazil culture Laminaria photon flux density seaweed temperature

Copyright information

© Kluwer Academic Publishers 1990