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	Provedor de dados Colegio de Postgraduados (2) Genet. Mol. Biol. (1) PAB (1) RChHN (1) Autor Abreu,Ângela de Fátima Barbosa (1) Acevedo Cortés, María de los Angeles (1) Amaro,Geovani Bernardo (1) Artacho,Paulina (1) Castañeda,Luis E. (1) Ferreira,Daniel Furtado (1) Harrand, Leonel (1) Ledo,Francisco José Silva (1) Nespolo,Roberto F. (1) Pereira,Antônio Vander (1) Ramalho,Magno Antonio Patto (1) Ramalho,Magno Antônio Patto (1) Reis,Matheus Costa dos (1) Silva,Flávia Barbosa (1) Sobrinho,Fausto Souza (1) Mais... Palavra-chave Response to selection (5) Heritability (4) Maestría (2) Respuesta a la selección (2) Age-age correlation (1) Angular-leaf-spot (1) Correlación edad-edad (1) Correlación genética (1) Densidad de la madera (1) Directional selection differential (1) Drought (1) Early selection (1) Estabilidad genética (1) Evolutionary physiology (1) Fitness (1) Forestal (1) Genetic correlation (1) Genetic stability (1) Genética (1) Grain yield (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Journal article (1) Tesis (1) Ano 2012 (1) 2008 (1) 2007 (2) 2005 (1) País Brazil (2) Mexico (2) Chile (1) Idioma Inglês (3) Espanhol (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 5 Primeira ... 1 ... Última Rendimiento y contenido de prolina en maíz mejorado por selección masal para resistencia a sequía. Colegio de Postgraduados Acevedo Cortés, María de los Angeles. El presente trabajo se realizó con el objetivo de estimar el avance genético promedio del rendimiento por ciclo de selección, de diferentes compuestos de selección masal visual estratificada (SMVE) practicada para resistencia a sequía en dos variedades de maíz (Zea mays L.), donde el rendimiento de grano fue el criterio de selección. También se tuvo como objetivos estimar el avance genético indirecto promedio del contenido de prolina (P) en las plantas de los diferentes ciclos de SMVE, y conocer si existe relación alguna entre el rendimiento y P, esto para poder determinar si el P en la planta puede recomendarse como un criterio de selección para resistencia a sequía en maíz. Para evaluar el rendimiento en campo, se usaron los siguientes materiales... Palavras-chave: Zea mays; Selección masal visual estratificada (SMVE); Sequía; Rendimiento; Respuesta a la selección; Prolina; Drought; Proline; Response to selection; Stratified visual mass selection (SVMS); Yield; Genética; Maestría. Ano: 2012 URL: http://hdl.handle.net/10521/748 Parámetros genéticos en características de crecimiento y densidad de la madera en progenies de Eucalyptus grandis Colegio de Postgraduados Harrand, Leonel. Con el fin de determinar la estructura genética de las características de crecimiento y densidad de la madera (evaluada de manera directa y a través de la penetración del Pilodyn) y estimar la respuesta esperada a la selección masal en una población de Eucalyptus grandis formada por familias del NE de Queensland (Australia), se evaluó un ensayo de progenies a los 4.5 y 8.5 años de edad, establecido en tres sitios del NE argentino. Aunque se encontró una amplia variabilidad genética en todas las características evaluadas, las características de crecimiento [diámetro (DAP), altura (HT) y volumen (VOL)] mostraron diferente estructura y grado de control genético con respecto a las otras características [rectitud de fuste (FORM), proporción de corteza (COR) y... Tipo: Tesis Palavras-chave: Heredabilidad; Correlación genética; Correlación edad-edad; Estabilidad genética; Respuesta a la selección; Selección indirecta; Selección temprana; Densidad de la madera; Pilodyn; Maestría; Forestal; Heritability; Genetic correlation; Age-age correlation; Genetic stability; Response to selection; Indirect selection; Early selection; Wood density. Ano: 2007 URL: http://hdl.handle.net/10521/1648 Phenotypic recurrent selection in the common bean (Phaseolus vulgaris L) with carioca-type grains for resistance to the fungi Phaeoisariopsis griseola Genet. Mol. Biol. Amaro,Geovani Bernardo; Abreu,Ângela de Fátima Barbosa; Ramalho,Magno Antonio Patto; Silva,Flávia Barbosa. The efficiency of recurrent selection was assessed in obtaining common bean (Phaseolus vulgaris L) plant lines resistant to the phytopathogenic fungi Phaeoisariopsis griseola. The base bean population was obtained from the partial diallel between seven lines with carioca-type grains and 10 sources of resistance to P. griseola. The plants most resistant to the pathogen were selected in the F2 (S0) generation of the populations (C-0). The best S0:1 plants that presented carioca-type grains were intercrossed to obtain cycle I (C-I). The same procedure was adopted to obtain cycles C-II to C-V. In each recurrent selection cycle, S0:1 progenies selected were also assessed in experiments carried out in Lavras, Brazil, always using as check the Carioca MG... Tipo: Info:eu-repo/semantics/article Palavras-chave: Angular-leaf-spot; Grain yield; Heritability; Phaseolus vulgaris; Response to selection. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000400014 Allohexaploid pearl millet x elephantgrass population potential for a recurrent selection program PAB Reis,Matheus Costa dos; Sobrinho,Fausto Souza; Ramalho,Magno Antônio Patto; Ferreira,Daniel Furtado; Ledo,Francisco José Silva; Pereira,Antônio Vander. The objective of this work was to evaluate the potential of allohexaploid pearl millet x elephantgrass (HGL) population for a recurrent selection program through open-pollinated progenies. Seventy-eight progenies, one representative sample of the population, and two commercial cultivars, Pioneiro and Paraíso, were evaluated in a 9x9 triple lattice design, in two sites. Plant height and dry matter yield were evaluated in three and four cuts, respectively. For plant height, the 17 best progenies were similar to both commercial controls, while for dry matter yield they were higher than 'Paraíso' and lower than 'Pioneiro'. The correlation between progenies and cuts indicated that the fourth cut represents the mean of all cuts, and the possibility of using... Tipo: Info:eu-repo/semantics/article Palavras-chave: Pennisetum; Heritability; Response to selection; Split-plot lattice design. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2008000200006 The role of quantitative genetic studies in animal physiological ecology RChHN Artacho,Paulina; Castañeda,Luis E.; Nespolo,Roberto F.. Evolutionary physiology is a new discipline with roots in comparative physiology. One major change in the emergence of this discipline was an explicit new focus on viewing organisms as the evolutionary products of natural selection. The shift in research emphasis from comparative physiology to evolutionary physiology has resulted in physiological traits becoming important elements in broad research programs of evolution and ecology. Evolutionary quantitative genetics is a theory-based biological discipline that has developed the quantitative tools to test explicit evolutionary hypotheses. The role of quantitative genetics has been paramount, in studying the microevolution of morphology, behavior and life history, but not comparative physiology. As a... Tipo: Journal article Palavras-chave: Evolutionary physiology; Heritability; Directional selection differential; Response to selection; Fitness. Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2005000100012 Registros recuperados: 5 Primeira ... 1 ... Última

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