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Registro Completo |
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
19/08/2005 |
Data da última atualização: |
19/08/2019 |
Autoria: |
CHIORATO, A. F.; CARBONELL, S. A. M.; COLOMBO, C. A.; DIAS, L. A. dos S.; ITO, M. F. |
Afiliação: |
ALISSON FERNANDO CHIORATO; SERGIO AUGUSTO MORAIS CARBONEL; CARLOS AUGUSTO COLOMBO; LUIZ ANTONIO DOS SANTOS DIAS; MARGARIDA FUMIKO ITO. |
Título: |
Genetic diversity of common bean accessions to the germplasm bank of the Insituto Agronômico - IAC. |
Ano de publicação: |
2005 |
Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Viçosa, MG, v. 5, n. 1, p. 1-9, Mar. 2005. |
Idioma: |
Inglês |
Conteúdo: |
The genetic divergence among 993 accessions of common bean (Phaseolus vulgaris) in the germplasm bank of the Instituto Agronomico IAC (Agronomical Institute in Campinas, Sao Paulo, Brazil) was evaluated in an analysis using 23 qualitative and quantitative agromorphological/morphological and agronomic descriptors. Multivariate analyses such as the Euclidean distance, principal component analysis and Tocher's cluster method were used to quantify the divergence among the accessions. The joint use of the analyses allowed the identification of 45 groups of which the first five absorbed 88.28% of all accessions. Among the 23 evaluated descriptors, the principal component analysis allowed the discarding of five that were redundant and/or little variable and the eight first principal components were necessary to explain 70% of the total variation. The multivariate methods proved efficient when used in germplasm collections, optimizing the descriptor set and establishing an orientation for future crossings in the common bean improvement programme of the IAC. |
Palavras-Chave: |
Análises multivariadas; Common bean; Common bean germplasm; Melhoramento genético; Multivariatre analyses. |
Thesagro: |
Feijão; Germoplasma; Phaseolus Vulgaris. |
Thesaurus Nal: |
genetic improvement. |
Categoria do assunto: |
G Melhoramento Genético |
Marc: |
LEADER 01934naa a2200277 a 4500 001 1213572 005 2019-08-19 008 2005 bl uuuu u00u1 u #d 100 1 $aCHIORATO, A. F. 245 $aGenetic diversity of common bean accessions to the germplasm bank of the Insituto Agronômico - IAC.$h[electronic resource] 260 $c2005 520 $aThe genetic divergence among 993 accessions of common bean (Phaseolus vulgaris) in the germplasm bank of the Instituto Agronomico IAC (Agronomical Institute in Campinas, Sao Paulo, Brazil) was evaluated in an analysis using 23 qualitative and quantitative agromorphological/morphological and agronomic descriptors. Multivariate analyses such as the Euclidean distance, principal component analysis and Tocher's cluster method were used to quantify the divergence among the accessions. The joint use of the analyses allowed the identification of 45 groups of which the first five absorbed 88.28% of all accessions. Among the 23 evaluated descriptors, the principal component analysis allowed the discarding of five that were redundant and/or little variable and the eight first principal components were necessary to explain 70% of the total variation. The multivariate methods proved efficient when used in germplasm collections, optimizing the descriptor set and establishing an orientation for future crossings in the common bean improvement programme of the IAC. 650 $agenetic improvement 650 $aFeijão 650 $aGermoplasma 650 $aPhaseolus Vulgaris 653 $aAnálises multivariadas 653 $aCommon bean 653 $aCommon bean germplasm 653 $aMelhoramento genético 653 $aMultivariatre analyses 700 1 $aCARBONELL, S. A. M. 700 1 $aCOLOMBO, C. A. 700 1 $aDIAS, L. A. dos S. 700 1 $aITO, M. F. 773 $tCrop Breeding and Applied Biotechnology, Viçosa, MG$gv. 5, n. 1, p. 1-9, Mar. 2005.
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1. | | GARCIA, J. da S.; APARICIO, G. K. da S.; SILVA, T. C. da; LIMA, J. de F. Dieta natural de Armases benedicti Rathbun, 1897 (Brachyura, Sersamidae) na foz do Rio Amazonas. In: CONGRESSO BRASILEIRO SOBRE CRUSTÁCEOS, 5., 2008, Gramado. Programa e resumos... Porto Alegre: Pallotti, 2008. p. 50.Tipo: Resumo em Anais de Congresso |
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