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Regeneration and Maturation Induction for the Free-living Gametophytes of Ecklonia cava Kjellman (Laminariales, Phaeophyta)

대형갈조류 감태(Ecklonia cava Kjellman) 유리배우체의 재생 및 성숙 유도

  • 위미영 (국립수산과학원 해조류연구센터) ;
  • 황은경 (국립수산과학원 해조류연구센터) ;
  • 김성철 (국립수산과학원 해조류연구센터) ;
  • 황미숙 (국립수산과학원 해조류연구센터) ;
  • 백재민 (국립수산과학원 해조류연구센터) ;
  • 박찬선 (목포대학교 해양수산자원학과)
  • Published : 2008.10.31

Abstract

Induction of regeneration and maturation for the free-living gametophytes of Ecklonia cava Kjellman was conducted under various temperature, irradiance and photoperiod conditions. Culture conditions for female or male gametophyte fragments were 4 temperature (5, 10, 15 and $20^{\circ}C$), 4 irradiance (5, 10, 20 and $40{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$) and 3 photoperiod (14:10, 12:12 and 10:14 h L:D). Female and male gametophyte fragments were maintained in active regeneration without reaching sexual maturity under $5{\sim}10^{\circ}C$, $5{\sim}10{\mu}mol{\cdot}m-2{\cdot}s-1$, 12:12h or 10:14h (L:D) and $15-20^{\circ}C$, $20-40{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$, 14:10h (L:D), respectively. Sexual maturation of female and male gametophytes facilitated under $15^{\circ}C$, $20-40{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$, 14:10h (L:D) and $5-10^{\circ}C$, $5-10{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$, 10:14h (L:D), respectively. These results provide basic informations to control the regeneration or maturation of the free-living gametophytes for artificial seed production of E. cava.

Keywords

References

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