2009
DOI: 10.1007/s10681-009-9966-8
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Dent corn genetic background influences QTL detection for grain yield and yield components in high-oil maize

Abstract: Despite the well-recognized importance of grain yield in high-oil maize (Zea mays L.) breeding and production, few studies have reported the application of QTL mapping of such traits. An inbred line of high-oil maize designated 'GY220' was crossed with two dent maize inbred lines to generate two connected F 2:3 populations with 284 and 265 F 2:3 families. Our main objective was to evaluate the influence of genetic background on QTL detection of grain yield traits through comparisons between the F 2:3 populatio… Show more

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Cited by 42 publications
(44 citation statements)
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References 36 publications
(48 reference statements)
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“…During the past few decades, QTL mapping has been used in many studies to detect genes that control phenotypic traits (Yan et al, 2006;Ma et al, 2007;Li et al, 2009). Recently, association mapping has been used as an alternative to QTL mapping, because it is effective in detecting marker-trait associations in LD data (Zhu et al, 2008;Borba et al, 2010;Lorenz et al, 2010;Mezmouk et al, 2011;Kwon et al, 2012).…”
Section: Discussionmentioning
confidence: 99%
“…During the past few decades, QTL mapping has been used in many studies to detect genes that control phenotypic traits (Yan et al, 2006;Ma et al, 2007;Li et al, 2009). Recently, association mapping has been used as an alternative to QTL mapping, because it is effective in detecting marker-trait associations in LD data (Zhu et al, 2008;Borba et al, 2010;Lorenz et al, 2010;Mezmouk et al, 2011;Kwon et al, 2012).…”
Section: Discussionmentioning
confidence: 99%
“…Os estudos de herança têm evidenciado que o caráter teor de óleo é controlado por vários genes, apresenta estimativas elevadas de coeficiente de herdabilidade, baixa interação genótipos por ambientes, os efeitos aditivos são mais importantes no controle do caráter que os efeitos não-aditivos e apresenta efeito xênia (GOLDMAN; ROCHERFORD;DUDLEY, 1994;LAMBERT;ALEXANDER;MEJAYA, 2004;VAL et al, 2009;MÔRO et al, 2012 (RIBAUT et al, 1997;SIBOV et al, 2003;LIMA et al, 2006;YAN et al, 2006;MA et al, 2007;LI et al, 2009, BALESTRE et al, 2012.…”
Section: Brasileira Das Indústrias Do Milho -Abimilho 2012)unclassified
“…Outras estimativas dos efeitos genéticos têm indicado dominância parcial (MANGOLIN et al, 2004;CLARK et al, 2006;ZHANG et al, 2008;MÔRO et al, 2012 PETERNELLI;YAN et al, 2006;LI et al, 2009LI et al, , 2011YANG et al, 2012a SABADIN et al, 2008;LI et al, 2009LI et al, , 2011CARENA;MIRANDA FILHO, 2010;YANG et al, 2012a). As aplicações práticas do conhecimento da associação entre caracteres estão ligadas à estimativa da resposta correlacionada em um caráter X com a seleção praticada no caráter Y, sendo possível, dessa forma, estimar as magnitudes das respostas à seleção em diversos caracteres quando a seleção é praticada em outros (VENCOVSKY;BARRIGA, 1992;FALCONER;MACKAY, 1996 , 1996b;LUBBERSTEDT et al, 1998;VELDBOOM, 2001;CARDINAL et al, 2001;YAN et al, 2006, YANG et al, 2012a, sendo escassos os trabalhos com germoplasma tropical (SIBOV et al, 2003;MANGOLIN et al, 2004;BENTO, 2006;LIMA et al, 2006;SABADIN et al, 2008;BELICUAS, 2009;BARRIOS, 2010;BALESTRE et al, 2012 interação QTL por ambientes é evidente e significativa para a maioria dos caracteres (YAN et al, 2006;LI et al, 2009LI et al, , 2011PENG et al, 2011). Alguns estudos têm reportado interações epistáticas entre QTL mapeados para produção de grãos e seus componentes em mi...…”
Section: Brasileira Das Indústrias Do Milho -Abimilho 2012)unclassified
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