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Adaptability and stability of corn hybrids grown for high grain yield Agronomy
Silva, Paulo Roberto da; Universidade Federal de Santa Maria; Bisognin, Dilson Antônio; Universidade Federal de Santa Maria; Locatelli, Ana Beatriz; Du Pont do Brasil S.A.; Storck, Lindolfo; Universidade Federal de Santa Maria.
The objective of the present study was to evaluate the adaptability and stability of corn hybrids for grain yield in environments with high crop management standards. Ten corn hybrids were evaluated for grain yield in 48 environments, consisting of 12 locations over a period of four years inSouth Brazil. A complete experimental, random block design with two repetitions was used. Adaptability and stability were analyzed according to the bi-segmented discontinuous model with measurement errors in the variables. The behavior of hybrids was studied as a function of the average yield in the inferior and/or superior environments, the estimates of the parameters of the equation, and the quality of the fit. The 30F36 hybrid behaved better in the superior...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays L.; High potential; Genotype vs. environment interaction; Cultivar selection; Bi-segmented discontinuous model.
Ano: 2014 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17374
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Bromatological characterization of maize genotypes for silage - doi: 10.4025/actascianimsci.v34i4.15271 Animal Sciences
Martin, Thomas Newton; Universidade Federal de Santa Maria; Vieira, Valmir da Cunha; Universidade Tecnológica Federal do Paraná; Menezes, Luis Fernando Glassenap de; Universidade Tecnológica Federal do Paraná; Ortiz, Sidney; Universidade Tecnológica Federal do Paraná; Bertoncelli, Patricia; Universidade Federal de Santa Maria; Storck, Lindolfo; Universidade Federal de Santa Maria.
Since every year public and private companies bring many genotypes of maize to the market, the suitability of these genotypes for the production of silage should be evaluated. Current study evaluates the agronomic and chemical characteristics of early-normal cycle maize genotypes as well as assesses whether the genetic bases (single, double, and triple hybrids, as well as varieties and intervarietal genotypes) and the grain hardness (hard, semi-hard and dentate) modify the indication of maize genotypes for silage. The experiment was conducted at the Universidade Tecnológica Federal do Paraná, campus Dois Vizinhos, Paraná State, Brazil. Thirty-six genotypes were evaluated by a simple lattice design. Grains were harvested at the pasty to farinaceous stage...
Tipo: Pesquisa de campo e análise laboratorial Palavras-chave: 5.04.03.03-6 genetic bases; Grain hardness; Cultivars indication; Zea mays L. genetic bases; Grain hardness; Cultivars indication; Zea mays L..
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/15271
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