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| Guedes,Fernando Lisboa; Souza,João Cândido de; Costa,Emiliano Fernandes Nassau; Reis,Matheus Costa dos; Cardoso,Gustavo Andrade; Ematné,Hugo Junqueira. |
| Maize crops in Brazil have a wide diversity of management systems. There is a large contingent of family agriculture, which uses little or no agricultural inputs, compared to the rural enterprise which uses the most modern production systems. This difference in the management systems is particularly noticeable in relation to consumption of fertilizers, especially nitrogenous ones. Therefore it is necessary to obtain plants with efficient nitrogen (N) use that also respond to applied nitrogen. Thus, the aim of the study was to evaluate the performance of S0:1 progenies, in top crosses, under two nitrogen levels and select the best ones based on responsiveness and efficiency. Sixty seven S0:1 progenies from populations of single cross hybrids were crossed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Genetic breeding; Zea mays; S0:1 progenies; Tester; Abiotic stress. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542011000600011 |
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| Costa,Emiliano Fernandes Nassau; Santos,Mateus Figueiredo; Moro,Gustavo Vitti; Alves,Geovani Ferreira; Souza Júnior,Cláudio Lopes de. |
| O objetivo deste trabalho foi estudar a herança da senescência retardada em milho. Foram realizados cruzamentos dialélicos parciais entre 50 linhagens e cinco testadores. Os 250 cruzamentos resultantes, além de seis híbridos comerciais utilizados como testemunhas, foram avaliados em oito ambientes, no delineamento látice simples 16x16, com duas repetições por ambiente. Os cruzamentos dialélicos foram analisados utilizando o método 4 do modelo 1 de Griffing, adaptado para múltiplos ambientes. A contribuição da capacidade geral de combinação (CGC) para a expressão do caráter "stay-green" (69,06%) foi maior que a da capacidade específica de combinação (CEC) (30,94%), evidenciando que os efeitos aditivos são mais importantes que os efeitos não aditivos na... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zea mays; CEC; CGC; Cruzamento dialélico; Stay-green. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2008000200008 |
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| Oliveira,Tâmara Rebecca Albuquerque de; Carvalho,Hélio Wilson Lemos de; Oliveira,Gustavo Hugo Ferreira; Costa,Emiliano Fernandes Nassau; Gravina,Geraldo de Amaral; Santos,Rafael Dantas dos; Carvalho Filho,José Luiz Sandes de. |
| ABSTRACT The cultivation of genotypes non-adapted to the cultivation region of interest is among the main factors responsible for low yield. The aim of the present study is to select hybrid maize through GGE biplot analysis and to assess its adaptability and stability in different environments in Northeastern Brazil. Twenty-five hybrid maize cultivars were assessed in ten different environments in Northeastern Brazil in 2012 and 2013 based on the randomized block design, with two replications. The analysis of variance and assessment of genotype adaptability and stability were made through GGE biplot analysis, based on grain yield. Analysis of variance results showed different performances depending on the genotype, as well as genotype/environment... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: G × E interaction; Multivariate analysis; Zea mays L. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052019000200166 |
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