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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. |
Registro Completo |
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
20/03/2014 |
Data da última atualização: |
19/05/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
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. |
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. |
Título: |
Selection of descriptors in a morphological characteristics considered in cassava accessions by means of multivariate techniques. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Journal of Agriculture and Veterinary Science, v. 7, Issue 1, p 13-20, Feb. 2014. |
ISSN: |
2319-2372 |
Idioma: |
Inglês |
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. |
Thesagro: |
Mandioca. |
Thesaurus Nal: |
Cassava. |
Categoria do assunto: |
-- |
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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Embrapa Mandioca e Fruticultura (CNPMF) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
12/12/2016 |
Data da última atualização: |
11/07/2017 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
MENGATTO JUNIOR, E. A.; SILVA, J. dos S. V. da; FERNANDES, C. M.; PARRON, L. M. |
Afiliação: |
EDSON ANTONIO MENGATTO JUNIOR, CNPTIA; JOÃO DOS SANTOS VILA DA SILVA, CNPTIA; CRISTIANO MARQUES FERNANDES, Feagri/Unicamp; LUCILIA MARIA PARRON VARGAS, CNPF. |
Título: |
Dinâmica de uso da terra da bacia hidrográfica do rio Cará-Cará entre os anos de 2002 e 2010. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
In: SIMPÓSIO DE GEOTECNOLOGIAS NO PANTANAL, 6., 2016, Cuiabá. Anais... São José dos Campos: INPE; Brasília, DF: Embrapa, 2016. |
Páginas: |
p. 846-855. |
Descrição Física: |
1 CD-ROM. |
Idioma: |
Português |
Notas: |
GeoPantanal 2016. |
Conteúdo: |
O objetivo deste trabalho foi avaliar a dinâmica de mudança do uso da terra, avaliando imagens de 2002 e comparando-as com as de 2010. |
Palavras-Chave: |
Geoprocessamento; Geoprocessing; Imagens digitais; Mapeamento; Segmentação. |
Thesaurus NAL: |
Digital images. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
Marc: |
LEADER 00979naa a2200253 a 4500 001 2058385 005 2017-07-11 008 2016 bl --- 0-- u #d 100 1 $aMENGATTO JUNIOR, E. A. 245 $aDinâmica de uso da terra da bacia hidrográfica do rio Cará-Cará entre os anos de 2002 e 2010.$h[electronic resource] 260 $c2016 300 $ap. 846-855.$c1 CD-ROM. 500 $aGeoPantanal 2016. 520 $aO objetivo deste trabalho foi avaliar a dinâmica de mudança do uso da terra, avaliando imagens de 2002 e comparando-as com as de 2010. 650 $aDigital images 653 $aGeoprocessamento 653 $aGeoprocessing 653 $aImagens digitais 653 $aMapeamento 653 $aSegmentação 700 1 $aSILVA, J. dos S. V. da 700 1 $aFERNANDES, C. M. 700 1 $aPARRON, L. M. 773 $tIn: SIMPÓSIO DE GEOTECNOLOGIAS NO PANTANAL, 6., 2016, Cuiabá. Anais... São José dos Campos: INPE; Brasília, DF: Embrapa, 2016.
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