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Browsing by Author "20215574211"
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An assessor-specific Bayesian multi-threshold mixed model for analyzing ordered categorical traits in tree breeding
Cappa, Eduardo Pablo; Varona, Luis (Springer, 2013-12)Many traits of biological interest in tree breeding are assessed using more than two ordered discrete categories. These scores have a more or less arbitrary and subjective assignment by the assessors, which could lead to ... -
Estimation of genetic parameters using spatial analysis of Pinus elliottii Engelm. var. elliottii second-generation progeny trials in Argentina
Belaber, Ector C.; Gauchat, Maria Elena; Rodriguez, Gustavo Hernan; Borralho, Nuno M.; Cappa, Eduardo Pablo (2018-09-01)Non-spatial and spatial analyses were carried out to estimate genetic parameters for growth and stem straightness traits between ages 4 and 7 in two series of eight progeny trials of Pinus elliottii Engelm. var. elliottii ... -
Evaluación del crecimiento y estado nutricional de híbridos interespecíficos de Eucalyptus sometidos a estrés por anegamiento y salinidad = Evaluation of growth and nutritional status of interspecific hybrids of Eucalyptus subjected to waterlogging and salinity stress
Lupi, Ana Maria; Pathauer, Pablo Santiago; Netto, Victoria; Cappa, Eduardo Pablo (Asociación Argentina de la Ciencia del Suelo, 2016)Se realizó un experimento en condiciones controladas durante 90 días para estudiar la respuesta de dos combinaciones híbridas de Eucalyptus (Eucalyptus grandis x Eucalyptus camaldulensis y Eucalyptus grandis x Eucalyptus ... -
Genetic parameters for growth, stem straightness, and branch quality for Pinus elliottii var. elliottii × Pinus caribaea var. hondurensis F1 Hybrid in Argentina
Belaber, Ector; Gauchat, Maria Elena; Reis, Hugo D.; Borralho, Nuno M.; Cappa, Eduardo Pablo (Oxford University Press, 2018-11)Genetic parameters for growth, stem straightness, and branch quality were estimated in five progeny trials of Pinus elliottii var. elliottii (PEE) × Pinus caribaea var. hondurensis (PCH) F1 hybrid measured at ages three, ... -
Genomic-based multiple-trait evaluation in Eucalyptus grandis using dominant DArT markers
Cappa, Eduardo Pablo; El-Kassaby, Yousry A.; Muñoz, Facundo; Garcia, Martin Nahuel; Villalba, Pamela Victoria; Klapste, Jaroslav; Marcucci Poltri, Susana Noemi (2018-06)We investigated the impact of combining the pedigree- and genomic-based relationship matrices in a multiple-trait individual-tree mixed model (a.k.a., multiple-trait combined approach) on the estimates of heritability and ... -
Identification and joint modeling of competition effects and environmental heterogeneity in three Douglas-fir (Pseudotsuga menziesii var. menziesii) trials
Cappa, Eduardo Pablo; Stoehr, Michael U.; Chang-Yi, Xie; Yanchuk, Alvin D. (2016-12)(Co)variance matrices for the assumed model, and thus the specification of the dispersion parameters, should take into account both the negative competition and the positive spatial correlations. In this context, we applied ... -
Impacts of population structure and analytical models in genome-wide association studies of complex traits in forest trees: a case study in Eucalyptus globulus
Cappa, Eduardo Pablo; El Kassaby, Yousry A.; Garcia, Martin Nahuel; Acuña, Cintia Vanesa; Borralho, Nuno M.; Grattapaglia, Dario; Marcucci Poltri, Susana Noemi (Plos One, 2013-11-25)The promise of association genetics to identify genes or genomic regions controlling complex traits has generated a flurry of interest. Such phenotype-genotype associations could be useful to accelerate tree breeding cycles, ... -
Improving accuracy of breeding values by incorporating genomic information in spatial - competition mixed models
Cappa, Eduardo Pablo; El-Kassaby, Yousry A.; Muñoz, Facundo; Garcia, Martin Nahuel; Villalba, Pamela Victoria; Klapste, Jaroslav; Marcucci Poltri, Susana Noemi (2017-10)Climate change and the increasing demand for sustainable energy resources require urgent strategies to increase the accuracy of selection in tree breeding (associated with higher gain). We investigated the combined pedigree ... -
Improving accuracy of breeding values by incorporating genomic information in spatial-competition mixed models [Conjunto de datos]
Cappa, Eduardo Pablo; El-Kassaby, Yousry A; Muñoz, Facundo; Garcia, Martin Nahuel; Villalba, Pamela Victoria; Klapste, Jaroslav; Marcucci Poltri, Susana Noemi (2017-09)Supplementary information of a Eucalyptus grandis population, genomic and pedigree data including identity information of trees, family, and provenance of the paper entitled: Improving accuracy of breeding values by ... -
Improving Genetic Analysis of Corymbia citriodora subsp. variegata with Single- and Multiple-Trait Spatial-Competition Models
Hernandez, Mariano Agustín; Lopez, Juan Adolfo; Cappa, Eduardo Pablo (Oxford Academic Press, 2019-08-30)Environmental heterogeneity and/or genetic and environmental competition were quantified on two growth traits, diameter at breast height and total height, and wood density in a progeny trial of Corymbia citriodora subsp. ... -
Improving genomic prediction of growth and wood traits in Eucalyptus using phenotypes from non-genotyped trees by single-step GBLUP
Cappa, Eduardo Pablo; de Lima, Bruno Marco; Silva-Junior, Orzenil B. da; García, Carla C.; Mansfield, Shawn D.; Grattapaglia, Dario (Elsevier, 2019-03-28)Genomic Best Linear Unbiased Prediction (GBLUP) in tree breeding typically only uses information from genotyped trees. However, information from phenotyped but non-genotyped trees can also be highly valuable. The single-step ... -
Increment coring induced traumatic resin ducts in white spruce but not in lodgepole pine
Klutsch, Jenifer G.; Kee, Chen X.; Cappa, Eduardo Pablo; Ratchiffe, Blaise; Thomas, Barb R.; Erbilgin, Nadir (2020-01-30)Injury from sampling increment cores may induce defense responses in trees, which may vary between species and reflect differing defense allocation strategies against attack by insects and pathogens. We recorded presence ... -
A novel individual-tree mixed model to account for competition and environmental heterogeneity: a Bayesian approach
Cappa, Eduardo Pablo; Muñoz, Facundo; Sanchez, Leopoldo; Cantet, Rodolfo Juan Carlos (Springer, 2015-12)Negative correlation caused by competition among individuals and positive spatial correlation due to environmental heterogeneity may lead to biases in estimating genetic parameters and predicting breeding values (BVs) from ... -
Performance of alternative spatial models in empirical Douglas-fir and simulated datasets
Cappa, Eduardo Pablo; Muñoz, Facundo; Sánchez, Leopoldo (Springer, 2019-05-13)Based on an empirical dataset originating from the French Douglas-fir breeding program, we showed that the bidimensional autoregressive and the two-dimensional P-spline regression spatial models clearly outperformed the ... -
Performance of Pinus elliottii, Pinus caribaea, their F1, F2 and backcross hybrids and Pinus taeda to 10 years in the Mesopotamia region, Argentina
Cappa, Eduardo Pablo; Marco, Martin Alberto; Nikles, D. Garth; Last, Ian S. (Springer, 2013-03)Performances of Pinus taxa were studied to 10 years of age in two trials in each of Misiones and Entre Ríos provinces across the Mesopotamia region of Argentina. Taxa comprised 22 populations from sources in Argentina, ... -
Quantitative genetic parameters for growth and wood properties in Eucalyptus “urograndis” hybrid using near-infrared phenotyping and genome-wide SNP-based relationships
de Lima, Bruno Marco; Cappa, Eduardo Pablo; Silva-Junior, Orzenil B.; García, Carla C.; Mansfield, Shawn D.; Grattapaglia, Dario (2019-06-24)A thorough understanding of the heritability, genetic correlations and additive and non-additive variance components of tree growth and wood properties is a requisite for effective tree breeding. This knowledge is essential ... -
Quantitative genetics and genomics converge to accelerate forest tree breeding
Grattapaglia, Dario; Silva Junior, Orzenil B.; Resende, Rafael T.; Cappa, Eduardo Pablo; Müller, Bárbara S. F.; Tan, Biyue; Isik, Fikret; Ratcliffe, Blaise; El-Kassaby, Yousry A. (2018-11)Forest tree breeding has been successful at delivering genetically improved material for multiple traits based on recurrent cycles of selection, mating, and testing. However, long breeding cycles, late flowering, variable ... -
Single-step BLUP with varying genotyping effort in open-pollinated Picea glauca
Rateliffe, Blaise; El-Dien, Omnia Gamal; Cappa, Eduardo Pablo; Porth, Ilga; Klapste, Jaroslav; El-Kassaby, Yousry A.; Chen, Charles (2017-03)Maximization of genetic gain in forest tree breeding programs is contingent on the accuracy of the predicted breeding values and precision of the estimated genetic parameters. We investigated the effect of the combined use ... -
SSRs, SNPs and DArTs comparison on estimation of relatedness and genetic parameters’ precision from a small half-sib sample population of eucalyptus grandis
Cappa, Eduardo Pablo; Klapste, Jaroslav; Garcia, Martin Nahuel; Villalba, Pamela Victoria; Marcucci Poltri, Susana Noemi (2016)Simple sequence repeats (SSR) are the most widely used molecular markers for relatedness inference due to their multi-allelic nature and high informativeness. However, there is a growing trend toward using high-throughput ... -
Supplementary dataset Pinus Taeda [Conjunto de datos]
Cappa, Eduardo Pablo (2015)Trial information and family numbers of the Pinus Taeda L. trial. Diameter at breast height of the Pinus taeda L. data set will be available upon request. Supplementary dataset Pinus Taeda for Cappa, E.P., Muñoz, F., ...