넓미역 (Undariopsis peterseniana)의 대량생산을 위한 유리배우체의 재생 및 성숙 유도
Regeneration and Maturation Induction of Free-Living Gametophytes of Undariopsis peterseniana for their Mass Production
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Induction of regeneration and maturation of the free-living gametophytes of Undariopsis peterseniana (Kjellman) Miyabe et Okamura was studied at four temperatures (5, 10, 15, and 20℃), four levels of irradiance (5, 10, 20, and 40 μmol m^(-2) s^(-1)) and three photoperiods (14:10, 12:12, and 10:14 h L:D). Female gametophyte fragments were maintained in active regeneration without reaching sexual maturity under conditions of 15℃, 20 μmol m^(-2) s^(-1), 10:14 h (L:D), whereas the conditions for male gametophytes were slightly different at 15℃, 20 μmol m^(-2) s^(-1), 14:10 h (L:D). The sexual maturation of female and male gametophytes took place under 15℃, 20 μmol m^(-2) s^(-1), 14:10 h (L:D) and 10℃, 10 μmol m^(-2) s^(-1), 10:14 h (L:D), respectively. These results provide basic information for controlling the regeneration and maturation of free-living gametophytes for artificial seed production of U. peterseniana.
Abstract
Induction of regeneration and maturation of the free-living gametophytes of Undariopsis peterseniana (Kjellman) Miyabe et Okamura was studied at four temperatures (5, 10, 15, and 20℃), four levels of irradiance (5, 10, 20, and 40 μmol m^(-2) s^(-1)) and three photoperiods (14:10, 12:12, and 10:14 h L:D). Female gametophyte fragments were maintained in active regeneration without reaching sexual maturity under conditions of 15℃, 20 μmol m^(-2) s^(-1), 10:14 h (L:D), whereas the conditions for male gametophytes were slightly different at 15℃, 20 μmol m^(-2) s^(-1), 14:10 h (L:D). The sexual maturation of female and male gametophytes took place under 15℃, 20 μmol m^(-2) s^(-1), 14:10 h (L:D) and 10℃, 10 μmol m^(-2) s^(-1), 10:14 h (L:D), respectively. These results provide basic information for controlling the regeneration and maturation of free-living gametophytes for artificial seed production of U. peterseniana.
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