| Registro completo |
| Provedor de dados: |
PAB
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| País: |
Brazil
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| Título: |
Quantification of the diversity among common bean accessions using Ward-MLM strategy
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| Autores: |
Cabral,Pablo Diego Silva
Soares,Taís Cristina Bastos
Gonçalves,Leandro Simões Azeredo
Amaral Júnior,Antonio Teixeira do
Lima,Andreia Barcelos Passos
Rodrigues,Rosana
Matta,Frederico de Pina
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| Data: |
2010-10-01
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| Ano: |
2010
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| Palavras-chave: |
Phaseolus vulgaris
Genetic diversity
Germplasm characterization
Joint analysis
Molecular markers
Morphological markers
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| Resumo: |
The present work aimed at evaluating the divergence among common bean accessions by their agronomic, morphological and molecular traits, based on the Ward-MLM procedure. A collection of 57 accessions from the gene bank of Universidade Federal do Espírito Santo was used in this study, from which: 31 were landraces belonging to the community Fortaleza, in the municipality of Muqui, ES, Brazil; 20 accessions were provided by Embrapa Trigo; and 6 were commercial cultivars. Five agronomic traits (plant cycle, number of seeds per pod, number of pods per plant, weight of 100 seeds, and grain yield), five morphological traits (growth habit, plant size, seed shape, seed color, and commercial group) and 16 microsatellite primers were evaluated. High genetic variability was detected considering morphological, agronomic and molecular traits in the 57 common bean accessions studied. The Ward-MLM procedure showed that the ideal number of groups was five, according to the pseudo F and pseudo t² criteria. The accessions from Andean origin had heavier seeds than others and formed a cluster. The Ward-MLM statistical procedure is a useful technique to detect genetic divergence and to cluster genotypes by simultaneously using morphological, agronomic and molecular data.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2010001000011
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| Editor: |
Embrapa Secretaria de Pesquisa e Desenvolvimento
Pesquisa Agropecuária Brasileira
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| Relação: |
10.1590/S0100-204X2010001000011
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| Formato: |
text/html
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| Fonte: |
Pesquisa Agropecuária Brasileira v.45 n.10 2010
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| Direitos: |
info:eu-repo/semantics/openAccess
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