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Genetic control of aluminum tolerance in tropical maize germplasm Bragantia
Coelho,Caroline de Jesus; Bombardelli,Renato Gustavo Hoffmann; Schulze,Guilherme Stalchmidt; Caires,Eduardo Fávero; Matiello,Rodrigo Rodrigues.
ABSTRACT Aluminum (Al) toxicity is the most limiting factor to maize crop productivity in acid soils. Therefore, the understanding of inheritance of Al tolerance in maize is important for the developmentof more adequate procedures for Al tolerant genotypes selection. In this sense, the objectives of this study were to determine the inheritance, and the general (GCA) and specific combining ability (SCA) for Al tolerance in tropical maize. First, we evaluated diallel crosses of maize from landrace and hybrid germplasms for Al tolerance through the minimal solution methodology. The DIF data (root growth difference) were analyzed by Griffing diallel model. Later the additive-dominant genetic model proposed by Mather and Jinks (1971) was used to estimate the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Combining ability; Heritability; Inheritance; Zea mays L..
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052019000100071
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