Storage of germlings of Sargassum horneri (Fucales, Phaeophyceae) in low temperature

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  • 褐藻アカモク（ヒバマタ目）幼体の低温保存
  • カッソウ アカモク(ヒバマタモク)ヨウタイ ノ テイオン ホゾン

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The embryos of Sargassum horneri were cultured in the filtered seawater at 4°C, 1,000 lux 12:12 hrs L:D cycle for 60 days until they developed rhizoidal holdfast. Early germlings were then trasferred to the aquarium containing seawater at temperature of 20°C under the irradiance of 2,000 lux, and photoperiod of 12:12 hrs LD for 90 days,prior to outplanting in the sea. Early leaf formation ,wherein young germlings produced one or two primary-branched leaves within 60 days of culture. After transplantation to the sea, young explants developted into the large adult plants,and which produced numerous receptacles on the thalli.

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