1987
DOI: 10.1590/s0071-12761987000100041
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Correlações genéticas e fenotípicas em duas populações de milho (Zea mays L.) braquítico e suas implicações no melhoramento do teor de óleo no grão

Abstract: Coeficientes de correlações genéticas e fenotípicas foram estimados entre os caracteres: altura da planta (AP); altura da espiga (AE); peso de espigas (PE) e teor de óleo (TO). As estimativas foram obtidas para duas populações braquíticas de milho (Piranão VD-2 e Piranão VF-1), baseado em espiga por fileira, utilizando-se testemunha intercalar, onde a cada duas progênies plantava-se uma fileira do híbrido simples AG 305-B. Os valores das correlações genéticas aditivas encontradas entre os caracteres altura da … Show more

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“…The genetic correlation coefficients between EP and EH were positive and of great magnitude in the two populations evaluated (Table 2), indicating that many of the genes involved in determination of EY are also involved in determination of EH. These results corroborate those found by Bianco et al (1987), Pinheiro (2004) The genetic correlation between PROL and GY should be interpreted carefully. When there is more than one ear on the plant, the second is generally small, with poor kernel set or ear development.…”
Section: Resultssupporting
confidence: 90%
“…The genetic correlation coefficients between EP and EH were positive and of great magnitude in the two populations evaluated (Table 2), indicating that many of the genes involved in determination of EY are also involved in determination of EH. These results corroborate those found by Bianco et al (1987), Pinheiro (2004) The genetic correlation between PROL and GY should be interpreted carefully. When there is more than one ear on the plant, the second is generally small, with poor kernel set or ear development.…”
Section: Resultssupporting
confidence: 90%
“…Os coeficientes de correlação genética envolvendo todos os pares entre os caracteres avaliados apresentaram valores próximos daqueles normalmente encontrados na literatura, em populações de milho, tais como Souza Júnior et al ( 1980b), Sampaio (1986, Bianco et al (1987), Araújo (1992), Lima Neto (1994), Farias Neto (1995, Pinto (1996), Cunha ( 1996) e Rezende (1997).…”
Section: Correlações Genéticas E Fenotípicasunclassified