2011
DOI: 10.1590/s0006-87052011000400006
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Heterose e seus componentes em híbridos de populações F2 de milho

Abstract: Objetivou-se verificar o potencial de 28 híbridos de populações F2 de milho, obtidos de um dialelo completo, juntamente com oito populações F2 parentais e duas testemunhas comerciais quanto a caracteres agronômicos e à heterose e seus componentes. Os experimentos foram desenvolvidos em 2008/2009, em Campinas, Mococa e Palmital, Estado de São Paulo, no delineamento experimental de blocos ao acaso com três repetições. Avaliaram-se os caracteres florescimento masculino, altura da espiga e produtividade de grãos, … Show more

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Cited by 4 publications
(3 citation statements)
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“…The GY trait showed significance in the heterosis parental effects (h i ), which reveals the existence of variation in the contribution of each parent to the performance of the hybrid, indicating dispersion of allele frequencies in the population (Oliveira et al, 2004). Similar h i results for GY were found by other authors and enabled the selection of the best parents and their respective hybrids (Tonette & Carena, 2014;Bernini & Paterniani, 2012;Doná et al, 2011;Silva & Miranda Filho, 2003;Scapim et al, 2002).…”
Section: Resultssupporting
confidence: 86%
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“…The GY trait showed significance in the heterosis parental effects (h i ), which reveals the existence of variation in the contribution of each parent to the performance of the hybrid, indicating dispersion of allele frequencies in the population (Oliveira et al, 2004). Similar h i results for GY were found by other authors and enabled the selection of the best parents and their respective hybrids (Tonette & Carena, 2014;Bernini & Paterniani, 2012;Doná et al, 2011;Silva & Miranda Filho, 2003;Scapim et al, 2002).…”
Section: Resultssupporting
confidence: 86%
“…Thus, the parental P3 stood out with the lowest estimate of parental effect ( i p ) for FF, and the parents P1, P3 and P6 had the lowest estimates for EH. Studies presented by Dhasarathan, Babu, and Iyanar (2015), Bernini and Paterniani (2012), Doná et al (2011), Garbuglio and Araújo (2006) and Gorgulho and Miranda Filho (2001) verified the significance of parental effects on EH, concluding that for the control of these traits, there is a predominance of the additive effects and only partial dominance effects.…”
Section: Resultsmentioning
confidence: 82%
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