Consulta: subjectFacets:"Progenies"
Registros recuperados: 9
Data/hora: 01/06/2024 04:31:33

Parámetros genéticos e interacción genotipo x ambiente en el crecimiento de progenies reintroducidas y nativas de Pinus patula.
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Gómez Martínez, Procoro.
Pinus patula Schiede ex Schltdl. et. Cham., es una especie nativa de México ampliamente utilizada en plantaciones comerciales en diferentes regiones del mundo; la especie ha sido mejorada en el extranjero, y es necesario evaluar el material al ser reintroducido a su país de origen. Se comparó el crecimiento de 36 familias de medios hermanos seleccionadas en Colombia y Sudáfrica, reintroducidas en México (grupo R) y 36 familias de medios hermanos escogidas fenotípicamente en rodales naturales (grupo N), en dos sitios con ambientes contrastantes: Aquixtla, Puebla, a 2,930 m (S1) y Acaxochitlán, Hidalgo, a 2,260 m (S2). Se midió el diámetro normal, la altura total y el volumen del fuste a los siete y ocho años de edad, y la conformación del árbol y el número...
Palavras-chave: Análisis de estabilidad; Correlación genética tipo B; Crecimiento; Ganancia genética; Heredabilidad; IGA; Parámetros genéticos; Pinus patula; Progenies; Reintroducción; Adaptation; Ecovalence; Genetic stability; Genetic gain; Genetic parameters; Growth rate; GEI; Heritability; Progeny test; Type-B genetic correlation; Reintroduction; Forestal; Maestría.
Ano: 2013
URL: http://hdl.handle.net/10521/1892

Variación genética y ambiental en un ensayo de progenies de Pinus patula.
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Salaya Domínguez, José Manuel.
Se compara el desarrollo de progenies de Pinus patula Schiede ex Schltdl. et Cham.de seis años de edad con diferentes niveles de mejora genética en dos sitios en ambientes contrastantes: Aquixtla, Puebla a 2,930 m (S1) y Acaxochitlán, Hidalgo a 2,260 m  (S2). Primero se evaluaron 36 familias mejoradas en Colombia y Sudáfrica (grupo M) y de 36 nativas (grupo Selectas, S). A los 6 años, la supervivencia fue de 72.7% en S1 y  90% en S2. Las progenies del grupo M fueron estadísticamente superiores en el volumen del tronco en S1 (4.3 vs. 3.6 dm3), mientras que no lo fueron en S2 (10.7 vs. 13.5 dm3). En S1, las heredabilidades (h2i) para las características de crecimiento (altura, diámetro y volumen) variaron de 0.09 a 0.12, mientras que en el S2 de 0.26 a 0.35....
Palavras-chave: Pinus patula; Progenies; Familias; Parámetros genéticos; Diagnóstico nutricional; Fenología; Patrón de crecimiento; Grados-día; Forestal; Doctorado; Families; Genetic parameters; Nutritional diagnosis; Phenology; Growth pattern; Degree days.
Ano: 2012
URL: http://hdl.handle.net/10521/1810

Dendrobium 'Brazilian Fire 101' - New option of color of flowers for the orchid market
Provedor de dados: Horticultura Brasileira
Autores: Cardoso,Jean C.
Establishment of germplasm banks of ornamental species, together with breeding programs is fundamental for the growth of competitive cultivars of flowers that are the same or better quality than those developed in other countries. Around 100 progenies from a crossing between the cultivars Dendrobium 'Tong Chai Gold' and Dendrobium 'Black Jack' were obtained, from 50 plants which were selected and grown in pots in greenhouse conditions to evaluate the blooming stage and to select the progenies. Selection of vigorous growing plants and without disease symptoms were made in the period of cultivation. Also, there were evaluated the growing characteristics, rooting, early blooming, as well as the color, number and size of flowers in the first and second...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Floriculture; Breeding; Progenies; Quality.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362012000300035

Genetic Gain for Wood Volume in Progeny Trial of Grevillea robusta Cunn (Breeding Cycle 2) in Londrina, Paraná State
Provedor de dados: PFB - Pesquisa Florestal Brasileira
Autores: Martins, Emerson Gonçalves; Neves, Edinelson José Maciel; Sturion, José Alfredo; Duleba, Nicole.
Twenty and twenty three seed provenances of Grevillea robusta Cunn were imported from Australia, in 1993 and 1994 respectively, by Embrapa Florestas. This genetic germoplasm was utilized for starting a breeding program in the State of Paraná, São Paulo and Mato Grosso do Sul. Total surface occupied by Grevillea experiments managed by Embrapa Florestas reachs 27,13 ha, being provenance tests, embracing 11,22 ha, installed in 1994, and progenies tests, comprising 15,91 ha, planted in 1994. In the Presidente Castelo Branco District it was introduced a provenance/progenie test with 104 progenies and 20 provenances. In 2001, it was selected the best genotypes and the experiment was transformed in a Seed Orchard. In 2002, 37 genotypes were selected at the same...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Seed orchard; Provenances; Progenies; Brazil Pomar de sementes; Procedências; Progênies.
Ano: 2011
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/226

Genetic Gain for Wood Volume in Progeny Trial of Grevílea (Breeding Cycle 2) in Avaré, State of São Paulo
Provedor de dados: PFB - Pesquisa Florestal Brasileira
Autores: Martins, Emerson Gonçalves; Neves, Edinelson José Maciel; Sturion, José Alfredo; Aoki, Hideyo.
Twenty and twenty three seed provenances of Grevillea robusta A. Cunn. were imported from Australia, in 1993 and 1994, respectively, by Embrapa Florestas. This genetic germoplasm was utilized for starting a breeding program in the states of Paraná, São Paulo and Mato Grosso do Sul. In 2002, twenty eight genotypes were selected in the Presidente Castelo Branco-PR district whose seeds were utilized for the installing second generation progenies test in Avaré-SP. Randomized blocks was the statistical design utilized, with linear plots of five plants, adjusted in a compass 3m x 3m, with 8 replications. Total height, DBH (diameter at the height of breast) were the characteristics considered in the volume evaluations. Estimation of variance components, genetic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Grevillea robusta; Grevílea; Seed orchard; Provenances; Progenies; Brazil. Grevillea robusta; Grevílea; Pomar de sementes; Procedências; Progênies.
Ano: 2011
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/217

Production costs and fruit yield profitability in the initial harvest of custard apple trees
Provedor de dados: Revista Brasileira de Fruticultura
Autores: Pontes,Frederico Silva Thé; Silva,Júlio César do Vale; Silva,Paulo Sérgio Lima e; Aragão,Ana Katarina Oliveira.
The aim of this study was to estimate the production cost and economic indicators associated with the production and sales of fruits from 20 custard apple progenies during the initial five harvests, in order to identify the harvest season from which custard apple exploitation becomes profitable, as well as the most promising progenies from an economic point of view. The fruit yield data upon which the present work was based were obtained during the period from 2001 to 2005, in an experiment that evaluated 20 custard apple half-sibling progenies, under sprinkler irrigation. The progenies were evaluated in a random block design with five replicates and plots consisting of four plants each. The exploitation of custard apple progenies only showed to be a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Annona squamosa L.; Progenies; Custard apple; Sweetsop; Bullock's heart; Cost-effectiveness.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452008000400016

Effect of age of dam on weight of calf in the genetic assessment of Zebu cattle in random regression models
Provedor de dados: Acta Scientiarum: Animal Sciences
Autores: Ferreira, Jorge Luis; Lopes, Fernando Brito; Bresolin, Tiago; Garcia, José Américo Soares; Minharro, Silvia; Lôbo, Raysildo Barbosa.
Current analysis estimated co-variance components and genetic parameters for growth traits by random regression models taking into consideration the cow’s age on the weight of calves. Genealogical data and records on weights of male and female Zebu cattle, born between 1993 and 2011, were provided by the National Association of Breeders and Researchers (ANCP). Different models were compared by Akaike and Bayesian criteria. Legendre’s orthogonal polynomials were used to model the direct and maternal genetic effects of maternal and animal permanent environmental effects. Joint modeling of cow age at the moment their progenies were weighed resulted in more accurate estimates of co-variance components and genetics parameters. Co-variance functions of the cow...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Zootecnia: Produção Animal: Genética e Melhoramento Animal co-variance; Genetics parameters; Progenies; Weight; Zebu.
Ano: 2015
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/25355

Variación genética y ambiental en dos ensayos de progenies de Pinus patula
Provedor de dados: Agrociencia
Autores: Salaya-Domínguez,José M.; López-Upton,Javier; Vargas-Hernández,J. Jesús.
Pinus patulaSchiede ex Schltdl. et Cham. es un pino endémico de México mejorado en el extranjero por ser de crecimiento rápido y debe evaluarse al ser reintroducido. En este estudio se comparó el desarrollo de progenies con diferentes niveles de mejora genética en dos ensayos en ambientes contrastantes: Aquixtla, Puebla, a 2930 m (S1) y Acaxochitlán, Hidalgo, a 2260 m de elevación (S2). A los 6 años de edad se evaluó la supervivencia y a los 5 y 6 años el diámetro normal (DN), la altura total (ALT) y el volumen del tronco (VOL) de 36 familias mejoradas en Colombia y Sudáfrica (grupo M) y de 36 nativas seleccionadas fenotípicamente (grupo S). A los 6 años, la supervivencia fue 72.7 % en S1 y 90 % en S2, con mejores crecimientos en este último sitio. Hubo...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Pinus patula; G X A; Progenies; Parámetros genéticos; Reintroducción.
Ano: 2012
URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952012000500009

Agronomic traits of coffee tree progenies from Timor Hybrid x Catuaí crossing
Provedor de dados: Ciência Rural
Autores: Rezende,Ramiro Machado; Carvalho,Gladyston Rodrigues; Rezende,Juliana Costa de; Botelho,Cesar Elias; Pasqualloto,Allan Teixeira; Velloso,Jeanny Alice; Carvalho,Alex Mendonça de.
The objective of this work was to evaluate the agronomic traits of coffee tree progenies. The experiment was set in Ouro Verde Farm, located at Campos Altos County, MG. Twenty three coffee progenies and seven control cultivars were used. These progenies are from the fourth generation of crossing between Timor Hybrid and Catuaí. The experiment was set in a randomized block design with four replicates, a total of 120 plots with 8 plants per plot. The yield of processed coffee sacks ha-1 was evaluated in eight crop years from the 2003 to the 2011 harvests. The percentage of fruits at the cherry stage, floating fruits, coffee classification (sieve above 17), income and plant vigor were evaluated in the 2010 and in the 2011 harvests. It was concluded that the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coffee; Yield; Breeding; Progenies.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000500003