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Estimation of genetic parameters and selection of elephant-grass ( Pennisetum purpureum Schumach.) for forage production using mixed models. Repositório Alice
STIDA, W. F.; DAHER, R. F.; VIANA, A. P.; VIDAL, A. K. F.; FREITAS, R. S.; SILVA, V. B. da; PEREIRA, A. V.; CASSARO, S.; MENEZES, B. R. da S.; FURLANI, E. P..
The efficient use of fodder and grassland as the basis of animal feed represents a way of raising productivity and reducing production costs. In this scenario, elephant-grass stands out among the most used forages in the intensive animal production systems in the world mainly due to its high productive potential, support capacity and nutritional quality. The purpose of this work was to estimate genetic parameters for the selection of elephant-grass (Pennisetum purpureum Schumach.) clones for forage production in two seasons, a period of water restriction and the total period of study. We evaluated 80 accessions of elephant-grass by means of the mixed-models methodology (REML/BLUP). The evaluation of DM yield (DMY) of the different genotypes were executed...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Dry matter yield; Genetic variability; Selective accuracy; Pennisetum Purpureum; Forage production.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1101240
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Genome wide selection in citrus breeding. Repositório Alice
GOIS, I. B.; BORÉM, A.; CRISTOFANI-YALY, M.; RESENDE, M. D. V. de; AZEVEDO, C. F.; BASTIANEL, M.; NOVELLI, V. M.; MACHADO, M. A..
Genome wide selection (GWS) is essential for the genetic improvement of perennial species such as Citrus because of its ability to increase gain per unit time and to enable the efficient selection of characteristics with low heritability. This study assessed GWS efficiency in a population of Citrus and compared it with selection based on phenotypic data. A total of 180 individual trees from a cross between Pera sweet orange (Citrus sinensis Osbeck) and Murcott tangor (Citrus sinensis Osbeck x Citrus reticulata Blanco) were evaluated for 10 characteristics related to fruit quality. The hybrids were genotyped using 5287 DArT_seqTM (diversity arrays technology) molecular markers and their effects on phenotypes were predicted using the random regression - best...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Seleção precoce; Marcador molecular; DarT_seq; Linkage disequilibrium; Early selection; Selective accuracy; Fruta cítrica; Marcador molecular; Melhoramento vegetal; Citrus; Plant breeding; Molecular markers.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1072713
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Prediction of genetic gains with selection between and within S2 progenies of papaya using the REML/Blup analysis. Repositório Alice
SILVA, T. P. da; VIDAL NETO, F. das C.; DOVALE, J. C..
bitstream/item/171357/1/ART17072.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Carica papaya; Traços agronômicos; Parâmetros genéticos; Modelos mistos; Precisão seletiva; Carica papaya; Traços agronômicos; Parâmetros genéticos; Modelos mistos; Precisão seletiva; Carica papaya; Agronomic traits; Genetic parameters; Mixed models; Selective accuracy.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1085316
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