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	Provedor de dados Rev. Bras. Bot. (1) Autor DUZ,SONIA REGINA (1) FIILIPPINI,ELAINE CRISTINA DE PAULA (1) RANDI,ÁUREA MARIA (1) Palavra-chave Fern germination (1) Gametophytes (1) Light (1) Storage (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 1999 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Light and storage on the germination of spores of Dicksonia sellowiana (Presl.) Hook., Dicksoniaceae Rev. Bras. Bot. FIILIPPINI,ELAINE CRISTINA DE PAULA; DUZ,SONIA REGINA; RANDI,ÁUREA MARIA. Spores of Dicksonia sellowiana are positively photoblastic and reach the maximum percentage of germination at 23 ± 2°C in white light after seven days of imbibition. The pre-induction phase for spores induced by white or red light for 24 hours was 72 hours. Gametophytes grown in white light were plane and bidimensional, while those grown under red light were filamentous. The higher the number of hours of light applied per day during 10 days, the higher the percentage of germination. Germination was higher for long white light treatments applied on a daily basis. The effect of different light intensities on germination was also investigated here. The lower percentages of germination were observed for spores kept under 43% and 2% of full sunlight, while... Tipo: Info:eu-repo/semantics/article Palavras-chave: Fern germination; Gametophytes; Light; Storage. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041999000100004 Registros recuperados: 1 Primeira ... 1 ... Última

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