Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94

Detalhes bibliográficos
Autor(a) principal: Arias, Edison Rubens Arrabal
Data de Publicação: 1998
Outros Autores: Ramalho, Magno Antônio Patto
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/4977
Resumo: This work was conducted with the purpose of evaluating the genetic progress obtained with the maize crop in Mato Grosso do Sul, Brazil, utilizing data of cultivar evaluation trials conducted in regions representative of the State, from 1986/87 to 1993/94. The yearly genetic gains were estimated to be 1.2% and 2.19% by Vencovsky and Fernandes methodologies, respectively; therefore, the genetic progress obtained with maize in the State of Mato Grosso do Sul was expressive in the period. In these trials the average rate of cultivar replacement was also quantified. It was found that the average rate of cultivars replacement over the eight-year evaluation period was 55.7%, showing that breeding programs of seed companies have been very dynamic in generating new materials.
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spelling Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94Progresso genético em milho no Estado do Mato Grosso do Sul, no período de 1986/87 a 1993/94This work was conducted with the purpose of evaluating the genetic progress obtained with the maize crop in Mato Grosso do Sul, Brazil, utilizing data of cultivar evaluation trials conducted in regions representative of the State, from 1986/87 to 1993/94. The yearly genetic gains were estimated to be 1.2% and 2.19% by Vencovsky and Fernandes methodologies, respectively; therefore, the genetic progress obtained with maize in the State of Mato Grosso do Sul was expressive in the period. In these trials the average rate of cultivar replacement was also quantified. It was found that the average rate of cultivars replacement over the eight-year evaluation period was 55.7%, showing that breeding programs of seed companies have been very dynamic in generating new materials.Este trabalho foi realizado com o objetivo de estimar o progresso genético obtido com a cultura do milho em Mato Grosso do Sul, utilizando dados dos ensaios de avaliação de cultivares conduzidos em regiões representativas do Estado, no período de 1986/87 a 1993/94. A estimativa dos ganhos genéticos anuais obtidos pela metodologia proposta por Vencovsky foi de 1,2%, e pela de Fernandes foi de 2,19%, o que indica que o progresso genético obtido com a cultura do milho no Estado de Mato Grosso do Sul foi expressivo no período. Nos ensaios também foi quantificada a taxa média de substituição de cultivares. Verificou-se que essa taxa nos oito anos de avaliação foi de 55,7%, o que mostra que os programas de melhoramento das empresas têm sido muito dinâmicos na geração de novos materiais.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraArias, Edison Rubens ArrabalRamalho, Magno Antônio Patto1998-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/4977Pesquisa Agropecuaria Brasileira; v.33, n.9, set. 1998; 1549-1554Pesquisa Agropecuária Brasileira; v.33, n.9, set. 1998; 1549-15541678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/4977/7141info:eu-repo/semantics/openAccess2015-01-15T17:37:02Zoai:ojs.seer.sct.embrapa.br:article/4977Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2015-01-15T17:37:02Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94
Progresso genético em milho no Estado do Mato Grosso do Sul, no período de 1986/87 a 1993/94
title Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94
spellingShingle Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94
Arias, Edison Rubens Arrabal
title_short Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94
title_full Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94
title_fullStr Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94
title_full_unstemmed Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94
title_sort Maize genetic progress in the State of Mato Grosso do Sul, Brazil, from 1986/87 to 1993/94
author Arias, Edison Rubens Arrabal
author_facet Arias, Edison Rubens Arrabal
Ramalho, Magno Antônio Patto
author_role author
author2 Ramalho, Magno Antônio Patto
author2_role author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Arias, Edison Rubens Arrabal
Ramalho, Magno Antônio Patto
dc.subject.none.fl_str_mv

description This work was conducted with the purpose of evaluating the genetic progress obtained with the maize crop in Mato Grosso do Sul, Brazil, utilizing data of cultivar evaluation trials conducted in regions representative of the State, from 1986/87 to 1993/94. The yearly genetic gains were estimated to be 1.2% and 2.19% by Vencovsky and Fernandes methodologies, respectively; therefore, the genetic progress obtained with maize in the State of Mato Grosso do Sul was expressive in the period. In these trials the average rate of cultivar replacement was also quantified. It was found that the average rate of cultivars replacement over the eight-year evaluation period was 55.7%, showing that breeding programs of seed companies have been very dynamic in generating new materials.
publishDate 1998
dc.date.none.fl_str_mv 1998-09-01
dc.type.none.fl_str_mv
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.uri.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/4977
url https://seer.sct.embrapa.br/index.php/pab/article/view/4977
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/4977/7141
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.33, n.9, set. 1998; 1549-1554
Pesquisa Agropecuária Brasileira; v.33, n.9, set. 1998; 1549-1554
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
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