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Mostrando ítems 1-20 de 40
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Arboles del futuro. Diseños precisos y a medida.
Cappa, Eduardo Pablo (INTA, 2025)Tradicionalmente, mejorar genéticamente los árboles era un proceso largo y costoso, basado en observaciones de campo durante años. No obstante, un reciente estudio realizado por investigadores del INTA, CONICET, EMBRAPA y ... -
Argentinos, brasileros y uruguayos con un objetivo común: Comprobaron que se puede acelerar el mejoramiento forestal con estudios de ADN y sin necesidad de ir al campo
Cappa, Eduardo Pablo (Bichos de Campo SRL, 2025-06-25)El mejoramiento genético de animales y plantas es un proceso tan silencioso como extenso. Sobre todo en el caso de los árboles, que pueden demorar décadas en expresar sus características y ralentizan la elección, un paso ... -
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 ... -
Breeding value predictive accuracy for scarcely recorded traits in a Eucalyptus grandis breeding population using genomic selection and data on predictor traits
Jurcic, Esteban Javier; Villalba, Pamela Victoria; Dutour, Joaquín; Centurión, Carmelo; Munilla, Sebastián; Cappa, Eduardo Pablo (Springer, 2023-07-18)Genomic selection methods are particularly useful for traits that are difcult or expensive to measure. We investigated the impact of using predictor growth traits and/or genomic information to increase the breeding value ... -
Ciencia aplicada a la forestación con selección genómica: Con selección genómica, investigadores aceleran la producción de árboles
Cappa, Eduardo Pablo (Info Campo Digital Media, 2025-04-24)Un reciente estudio realizado por investigadores del INTA y el Conicet, en colaboración con entidades de Sudamérica, demostró que la selección genómica puede acelerar significativamente el proceso de obtención de un árbol. -
Decoupling of height growth and drought or pest resistance tradeoffs is revealed through multiple commongarden experiments of lodgepole pine
Liu, Yang; Erbilgin, Nadir; Cappa, Eduardo Pablo; Chen, Charles; Ratcliffe, Blaise; Wei, Xiaojing; Klutsch, Jennifer G.; Ullah, Aziz; Sebastian Azcona, Jaime; Thomas, Barb R.; El-Kassaby, Yousry A. (Oxford University Press, 2023-03)The environment could alter growth and resistance tradeoffs in plants by affecting the ratio of resource allocation to various competing traits. Yet, how and why functional tradeoffs change over time and space is poorly ... -
Efficient genomics-based ‘end-to-end’ selective tree breeding framework
El-Kassaby, Yousry A.; Cappa, Eduardo Pablo; Chen, Charles; Ratcliffe, Blaise; Porth, Ilga M. (Springer Nature, 2024-01-03)Since their initiation in the 1950s, worldwide selective tree breeding programs followed the recurrent selection scheme of repeated cycles of selection, breeding (mating), and testing phases and essentially remained unchanged ... -
Exploring genotype-by-environment interactions: impacts on genome-wide association and genomic prediction for 30 white spruce traits related to productivity, defense, and climate-adaptability
Cappa, Eduardo Pablo (North American Forest Genetics Society, 2024-06-10)White spruce (Picea glauca (Moench) Voss) is considered a keystone species in boreal forest ecosystems and a valuable resource for the commercial timber industry. White spruce is also known for its adaptability to diverse ... -
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 evaluation for breeding and genetic management in Cordia africana, a multipurpose tropical tree species
Ousmael, Kedra M.; Cappa, Eduardo Pablo; Hansen, Jon K.; Hendre, Prasad; Hansen, Ole K. (BMC, 2024-01-02)Planting tested forest reproductive material is crucial to ensure the increased resilience of intensively managed productive stands for timber and wood product markets under climate change scenarios. Single-step Genomic ... -
Genomic selection in Canadian spruces
El-Kassaby, Yousry A.; Ratcliffe, Blaise; El-Dien, Omnia Gamal; Shuzhen, Sun; Chen, Charles; Cappa, Eduardo Pablo; Porth, Ilga M. (Springer, 2020-01-01)The genetic gain of spruce (Picea spp.) breeding programs is impeded by long recurrent selection cycles stemming from biological constraints such as late expression of traits, weak juvenile mature correlations, and late ... -
Genomic selection in forest trees comes to life: unraveling its potential in an advanced four - generation Eucalyptus grandis population
Duarte, Damían; Jurcic, Esteban Javier; Dutour, Joaquín; Villalba, Pamela Victoria; Centurion, Carmelo; Grattapaglia, Darío; Cappa, Eduardo Pablo (Frontiers Media, 2024-10-03)Genomic Selection (GS) in tree breeding optimizes genetic gains by leveraging genomic data to enable early selection of seedlings without phenotypic data reducing breeding cycle and increasing selection intensity. Traditional ... -
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 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 ... -
Improving lodgepole pine genomic evaluation using spatial correlation structure and SNP selection with single-step GBLUP
Cappa, Eduardo Pablo; Ratcliffe, Blaise; Chen, Charles; Thomas, Barb R.; Liu, Yang; Klutsch, Jennifer G.; Azcona, Jaime Sebastian; Benowicz, Andy; Sadoway, Shane; Erlilgin, Nadir; El-Kassaby, Yousry A. (Springer Nature, 2022-02-18)Modeling environmental spatial heterogeneity can improve the efficiency of forest tree genomic evaluation. Furthermore, genotyping costs can be lowered by reducing the number of markers needed. We investigated the impact ... -
Increment coring induced traumatic resin ducts in white spruce but not in lodgepole pine
Klutsch, Jennifer G.; Kee, Chen X.; Cappa, Eduardo Pablo; Ratcliffe, 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 ...