2013
DOI: 10.1590/s0100-204x2013000900008
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Parentesco na seleção para produtividade e teores de óleo e proteína em soja via modelos mistos

Abstract: Resumo -O objetivo deste trabalho foi avaliar influência da informação de parentesco na seleção de progênies de soja quanto à produtividade e aos teores de óleo e proteína, com base no uso de modelos mistos de predição dos valores genéticos. Novecentas progênies F 4:6 e 200 progênies F 4:7 de soja foram avaliadas nas safras 2010/2011 e 2011/2012, respectivamente. As progênies foram obtidas de cruzamentos múltiplos a partir de 57 progenitores. Os dados foram analisados por meio de modelos aleatórios (quadrados … Show more

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Cited by 18 publications
(15 citation statements)
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“…In addition, the best phenotypic values coincided with the highest predicted values (BLUP) for all traits in the two generations (Tables 3 to 6), corroborating the results obtained by Michelotto et al (2015). BLUP is a function of phenotypic values that have the common objective of predicting true genetic values, and it has been used as a selection tool in various crops (Baldissera et al, 2012;Pinheiro et al, 2013;Regitano Neto, Ramos Júnior, Gallo, Freitas, & Azzini, 2013). In peanut crop, BLUP has been used to assist the selection of lines at the early stages of breeding programs (Luz, Santos, Silva Filho, & Mello Filho, 2010) and has helped to identify sources of resistance to aerial fungal diseases and in interspecific accessions and hybrids of the genus Arachis L. (Michelotto et al, 2015).…”
Section: Resultssupporting
confidence: 73%
“…In addition, the best phenotypic values coincided with the highest predicted values (BLUP) for all traits in the two generations (Tables 3 to 6), corroborating the results obtained by Michelotto et al (2015). BLUP is a function of phenotypic values that have the common objective of predicting true genetic values, and it has been used as a selection tool in various crops (Baldissera et al, 2012;Pinheiro et al, 2013;Regitano Neto, Ramos Júnior, Gallo, Freitas, & Azzini, 2013). In peanut crop, BLUP has been used to assist the selection of lines at the early stages of breeding programs (Luz, Santos, Silva Filho, & Mello Filho, 2010) and has helped to identify sources of resistance to aerial fungal diseases and in interspecific accessions and hybrids of the genus Arachis L. (Michelotto et al, 2015).…”
Section: Resultssupporting
confidence: 73%
“…In contrast to these findings, Moreira et al (2015) observed no effects of different row spacing widths and sowing densities on oil and protein contents. In general, crossed 50-cm row spacing produced the highest protein and the lowest oil contents, thus revealing the negative correlation between these soybean components (CLEMENTE; CAHOON, 2009;PINHEIRO et al, 2013). In the 2014/15 growing season,there was no interaction between the studied factors and the protein and oil contents of soybeans.…”
Section: Resultsmentioning
confidence: 82%
“…A eficiência do uso de modelos mistos no melhoramento de plantas anuais tem sido comprovada em diferentes culturas, como arroz (Borges et al, 2010), soja (Pinheiro et al, 2013), milho-pipoca (Freitas et al, 2013), feijão-caupi (Barros et al, 2011) e feijão-comum (Bertoldo et al, 2009 Em algumas espécies autógamas, as avaliações de plantas individuais têm sido realizadas em populações F 3 , consideradas adequadas para seleção, pelo fato de que 75% (1,5 σ a 2 ) da variação aditiva total (2 σ a 2 ) disponível em F ∞ já se encontra disponível em F 3 (Resende, 2002). Para a seleção neste caso, o BLUP pode ser derivado do delineamento de blocos ao acaso, com várias plantas por parcela.…”
Section: Introductionunclassified