2005
DOI: 10.1590/s0006-87052005000400005
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Híbridos de milho inter e intrapopulacionais obtidos a partir de populações S0 de híbridos simples comerciais

Abstract: RESUMOO objetivo deste trabalho foi avaliar a viabilidade de se produzir híbridos inter e intrapopulacionais a partir de populações S 0 de híbridos simples comerciais. Foram utilizadas três populações S 0 oriundas dos híbridos simples comerciais P30F45, Dow657 e DKB333B, sendo obtidos 163 híbridos (110 interpopulacionais e 53 intrapopulacionais). A avaliação dos híbridos, em relação à produtividade de grãos, foi realizada no ano agrícola 2003/2004, nos municípios de Lavras e Lambari (MG), em delineamento látic… Show more

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Cited by 27 publications
(18 citation statements)
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“…Although results with heritability values of 81.69, 94 and 93.95% for yield were obtained by Amorim and Souza (2005), and , respectively, the value of heritability for yield observed in this experiment is an estimate of high magnitude, considering the quantitative and polygenic nature of this character (HALLAUER et al 2010;HOLTHAUS;. These results confirm the genetic variability of the populations under study and the possibility of obtaining superior genotypes with significant genetic gain.…”
Section: Resultssupporting
confidence: 71%
“…Although results with heritability values of 81.69, 94 and 93.95% for yield were obtained by Amorim and Souza (2005), and , respectively, the value of heritability for yield observed in this experiment is an estimate of high magnitude, considering the quantitative and polygenic nature of this character (HALLAUER et al 2010;HOLTHAUS;. These results confirm the genetic variability of the populations under study and the possibility of obtaining superior genotypes with significant genetic gain.…”
Section: Resultssupporting
confidence: 71%
“…Moreover, extraction of lines from those improved hybrids is very important because they count upon a great portion of fixed favorable loci, in addition to being tested in different environments (Amorim & Souza, 2005).…”
Section: Resultsmentioning
confidence: 99%
“…O melhoramento com extração de linhagens a partir de cultivares melhoradas é mais favorável, pois esses materiais já possuem alta porção de locos favoráveis, além de serem outrora testados em vários ambientes (AMORIM & SOUZA, 2005).…”
Section: Resultsunclassified