Artificial seed production and cultivation of the edible brown alga, Sargassum fulvellum (Turner) C. Agardh: Developing a new species for seaweed cultivation in Korea

  • Eun Kyoung Hwang
  • Chan Sun Park
  • Jae Min Baek
Conference paper
Part of the Developments in Applied Phycology book series (DAPH, volume 1)

Abstract

Sargassum fulvellum is a brown alga recently introduced to the seaweed cultivation industry in Korea. There is current interest in the commercial scale of aquaculture of this species. For the artificial seeding and cultivation of this alga, growth and maturation were investigated from September 2002 to August 2003. Indoor culture experiments for maturation induction were also conducted at temperatures of 5, 10, 15, 20 and 25 °C and irradiances of 20, 50, 80 and 100 µmol photons m−2 s−1 under 16:8 h (L:D) photoperiod. Within a given culture test range, higher temperature and irradiance levels favoured the maturation of receptacles in S. fulvellum. Using temperature and irradiance control for thalli, artificial seed production of this species could be done one month earlier than thalli matured in nature. Under natural condition, receptacle formation of the plants began in February, and the eggs were released from March to April. For mature thalli of 200 g wet wt., artificial seeding was complete enough for attachment on seed strings of 100 m. Mean production obtained from the artificial seeding technique in situ was 3.0 kg wet wt m−1 of culture rope during the cultivation period.

Key words

artificial seed production growth maturation Sargassum fulvellum 

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Copyright information

© Springer 2006

Authors and Affiliations

  • Eun Kyoung Hwang
    • 1
  • Chan Sun Park
    • 2
  • Jae Min Baek
    • 1
  1. 1.Seaweed Research CenterNational Fisheries Research and Development InstituteMokpoKorea
  2. 2.Department of Marine ResourcesMokpo National UniversityJeonnamKorea

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