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	Provedor de dados Acta Amazonica (1) PAB (1) Autor BEYERLEIN,Patrick (1) Beyerlein,Patrick (1) MENDES,Ângela M. S. (1) PEREIRA,Henrique S. (1) Pereira,Henrique dos Santos (1) Palavra-chave Native food plant (2) Agrobiodiversity (1) Amazonia (1) Controlled pollination (1) Crossbreeding (1) Dioscoraceae (1) Dioscorea trifida (1) Dioscoreaceae (1) Genetic resources (1) Phenotypic similarity (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2019 (1) 2018 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Floral phenology, seed germination and hybrid plants of the Amerindian yam (Dioscorea trifida) Acta Amazonica BEYERLEIN,Patrick; MENDES,Ângela M. S.; PEREIRA,Henrique S.. ABSTRACT The Amerindian yam (Dioscorea trifida) is a food plant native to the Amazon region. Several local varieties are cultivated by traditional family farmers for consumption and local trade. However, socioeconomic processes may be causing species genetic erosion. Knowledge about species sexual reproduction is essential for its conservation and genetic improvement. The objective of this study was to observe the floral phenology, to assess the germination and dormancy of seeds, to conduct controlled pollinations and to select hybrid plants of D. trifida with agronomic potential. Seed dormancy was confirmed and was broken by after-ripening at 28 oC and 80% RH. We carried out controlled pollinations between local landraces and cultivated the resulting... Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazonia; Dioscoreaceae; Native food plant; Controlled pollination; Crossbreeding. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672019000300167 Morphological diversity and identification key for landraces of the Amerindian yam in central Amazon PAB Beyerlein,Patrick; Pereira,Henrique dos Santos. Abstract: The objective of this work was to select an optimal set of morphological descriptors, in order to characterize the phenotipical diversity of Amerindian yam (Dioscorea trifida) landraces cultivated in the municipality of Caapiranga, in the central Amazon region of Brazil, and to develop a botanical identification key for them. A collection of 140 accessions and an experimental plot with a representative sample of 20 landraces were used to test 64 morphological descriptors for the aerial and subterranean plant parts. Forty-eight descriptors were selected, of which 13 were for tubers, 12 for stems, 14 for leaves, and 9 for inflorescences and seed. A cluster analysis based on the morphological data showed the formation of two landrace groups with... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dioscorea trifida; Agrobiodiversity; Dioscoraceae; Genetic resources; Native food plant; Phenotypic similarity. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000400405 Registros recuperados: 2 Primeira ... 1 ... Última

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