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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
20/03/2014 |
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Data da última atualização: |
19/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
AFONSO, S. D. J.; LEDO, C. A. da S.; MOREIRA, R. F. C.; SILVA, S. de O. e; LEAL, V. D. de J.; CONCEIÇÃO, A. L. da S. |
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Afiliação: |
SANDRA DOMINGOS JOÃO AFONSO, UFRB; CARLOS ALBERTO DA SILVA LEDO, CNPMF; RICARDO FRANCO CUNHA MOREIRA, UFRB; SEBASTIÃO DE OLIVEIRA E SILVA, UFRB; VON DANIKEN DE JESUS LEAL, UFRB; ANTÓNIO LEANDRO DA SILVA CONCEIÇÃO, UFRB. |
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Título: |
Selection of descriptors in a morphological characteristics considered in cassava accessions by means of multivariate techniques. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Journal of Agriculture and Veterinary Science, v. 7, Issue 1, p 13-20, Feb. 2014. |
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ISSN: |
2319-2372 |
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Idioma: |
Inglês |
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Conteúdo: |
An experiment was conducted to determine the selection of morphological descriptors in cassava crop by multivariate techniques with the aim of optimizing the use of this technique in order to provide reliable, useful information for the program of genetic improvement and conservation of the species. The phenotypical characterization was performed in 200 genotypes, using 35 descriptors. These genotypes came from Embrapa Cassava and Tropical Fruits, located in the municipality of Cruz das Almas - BA. 19 qualitative and 16 quantitative variables were used. The selection of descriptors was performed by means of principal components analysis (quantitative) and entropy (multi-categories). The efficiency of elimination was analyzed by a comparative study between the components formed, taking into account all the 35 descriptors. Namely, root length and diameter, number of roots per plant, root weight per plant, starch content and HCN in the root, distance between leaf scars, number of stems from the manioc cuttings mother, height of the first branch, length of the middle lobe and the petiole. Color was measured in various places, namely in the film from root; root bark without film, stem, petiole and color of terminal branches. The form of the lobe was also measured It was concluded that the disposal of 57% of descriptors caused no loss of information, however, it minimized the costs and streamlined the management of collections of germplasm of cassava. |
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Thesagro: |
Mandioca. |
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Thesaurus Nal: |
Cassava. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02181naa a2200217 a 4500
001 1982995
005 2023-05-19
008 2014 bl uuuu u00u1 u #d
022 $a2319-2372
100 1 $aAFONSO, S. D. J.
245 $aSelection of descriptors in a morphological characteristics considered in cassava accessions by means of multivariate techniques.$h[electronic resource]
260 $c2014
520 $aAn experiment was conducted to determine the selection of morphological descriptors in cassava crop by multivariate techniques with the aim of optimizing the use of this technique in order to provide reliable, useful information for the program of genetic improvement and conservation of the species. The phenotypical characterization was performed in 200 genotypes, using 35 descriptors. These genotypes came from Embrapa Cassava and Tropical Fruits, located in the municipality of Cruz das Almas - BA. 19 qualitative and 16 quantitative variables were used. The selection of descriptors was performed by means of principal components analysis (quantitative) and entropy (multi-categories). The efficiency of elimination was analyzed by a comparative study between the components formed, taking into account all the 35 descriptors. Namely, root length and diameter, number of roots per plant, root weight per plant, starch content and HCN in the root, distance between leaf scars, number of stems from the manioc cuttings mother, height of the first branch, length of the middle lobe and the petiole. Color was measured in various places, namely in the film from root; root bark without film, stem, petiole and color of terminal branches. The form of the lobe was also measured It was concluded that the disposal of 57% of descriptors caused no loss of information, however, it minimized the costs and streamlined the management of collections of germplasm of cassava.
650 $aCassava
650 $aMandioca
700 1 $aLEDO, C. A. da S.
700 1 $aMOREIRA, R. F. C.
700 1 $aSILVA, S. de O. e
700 1 $aLEAL, V. D. de J.
700 1 $aCONCEIÇÃO, A. L. da S.
773 $tJournal of Agriculture and Veterinary Science$gv. 7, Issue 1, p 13-20, Feb. 2014.
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| 2. |  | ZAFALON, L. F.; ARCARO, J. R.; NADER FILHO, A.; FERREIRA, L. M.; CASTELANI, L.; BENVENUTTO, F. Perfis de resistência de staphylococcus aureus na cadeia epidemiológica da mastite bovina. In: CONGRESSO BRASILEIRO DE QUALIDADE DO LEITE: SEGURANÇA ALIMENTAR E SAÚDE PÚBLICA, 3., 2008, Recife - anais. Recife:CBQL: UFRPE, 2008. 1 CD-ROM| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 3. | | ZAFALON, L. F.; ARCARO, J. R. P.; NADER FILHO, A.; FERREIRA, L. M.; CASTELANI, L.; BENVENUTTO, F. Diagnóstico laboratorial de staphylococcus aureus envolvidos na epidemiologia da mastite bovina. In: CONGRESSO BRASILEIRO DE QUALIDADE DO LEITE: SEGURANÇA ALIMENTAR E SAÚDE PÚBLICA, 3., 2008, Recife - anais. Recife:CBQL: UFRPE, 2008. 1 CD- ROM.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 4. | | MARTINS, T.; ROSA, A. F.; CASTELANI, L.; MIRANDA, M. S. de; ARCARO, J. R. P.; POZZI, C. R. Intramammary treatment with gentamicin in lactating cows with clinical and subclinical mastitis. Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 36, n. 4, p. 283-289, abr. 2016.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 5. | | ZAFALON, L. F.; ARCARO, J. R. P.; NADER FILHO, A.; FERREIRA, L. M.; CASTELANI, L.; BENVENUTTO, F. Investigação de perfis de resistência aos antimicrobianos em Staphylococcus aureus isolados na ordenha de vacas em lactação. Revista Instituto Adolfo Lutz, v. 67, n. 2, p. 118-125, 2008.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Nacional - A |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 7. | | CASTELANI, L.; PIZAURO, L. J. L.; MUSSI, F. L.; MOTTA, T. P.; POZZI, C. R.; ARCARO, J. R. P.; ZAFALON, L. F. Perfil de resistência antimicrobiana e produção de biofilme por Staphylococcus aureus isolados de novilhas. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 26, 2011, Foz do Iguaçu, 2011. Anais... Foz do Iguaçu: SBM, 2011| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| Registros recuperados : 7 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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