島根大学理学部紀要

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島根大学理学部紀要 24
1990-12-25 発行

紅藻,ヒカゲノイト科Predaea tokidaeの培養に於ける果胞子発芽について

On carpospore germination in Predaea tokidae Kajimura (Gymnophloeaceae, Rhodophyta) in culture
梶村 光男
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内容記述(抄録等)
Result of cultural study of carposporelings of Predaea tokidae Kajimura (Gymnophloeaceae, Rhodophyta) carried out in the laboratory is presented herein. Germination of carpospores was similar to the immediate filamentous type and diprotocellular type . Discharged carpospores grew into short uniseriate prostrate filament which further developed into either monostromatic crust or sparsely branched uniseriate filament. The crust densely formed short erect free filaments on the thallus surface, and the developed uniseriate filament sparsely produced short lateral branches which developed into monostromatic crust that also densely formed short erect free filaments on the surface. The sporelings of P. tokidae is compared with the ones of P. weldii Kraft et Abbott and P. kraftiana Millar et Guiry in vegetative structure.