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Breeding potential of S4 maize lines in topcrosses for agronomic and forage traits
Provedor de dados: Acta Scientiarum: Agronomy
Autores: Marcondes, Mariana Martins; Faria, Marcos Ventura; Mendes, Marcelo Cruz; Gabriel, Andre; Neiverth, Victor; Zocche, Jean Carlos.
This study aimed to evaluate the performance of 46 maize lines (S4) obtained from crosses between the commercial hybrids Penta x P30F53 in topcrosses with the commercial simple cross hybrid Dow8460 (tester) and checks (hybrids Penta, P30F53, Dow8460 and Status). The grain yield was evaluated in two environments in Guarapuava, Paraná State, and the effects of genotype, environment and genotype x environment interaction were significant. The grain yield of the topcross hybrids ranged from 8,416 to 13,428 kg ha-1. The agronomic characteristics of the forage and the bromatological characteristics of the silage were evaluated in environment 1. The green mass yield of the forage ranged from 48,767 to 87,714 kg ha-1 and the dry mass yield ranged from 14,749 to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Agronomia; Fitotecnia; Melhoramento Genético Vegetal Zea mays; Acid detergent fiber; Neutral detergent fiber; Silage; Plant breeding Melhoramento Genético de Milho.
Ano: 2016
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/28307