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Registro Completo |
Biblioteca(s): |
Embrapa Clima Temperado. |
Data corrente: |
07/01/2008 |
Data da última atualização: |
15/08/2008 |
Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
Autoria: |
AIRES, R. F.; NAVA, D. E.; SILVA, S. D. dos A. e.; MELO, M. |
Título: |
Resistência de hibridos de mamona, Ricinus communis à cigarrinha, Agallia sp. |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
In: SIMPÓSIO ESTADUAL DE AGROENERGIA, 1.; REUNIÃO TÉCNICA ANUAL DE AGROENERGIA-RS, 1., 2007, Pelotas. Anais... Pelotas: Embrapa Clima Temperado, 2007. |
Volume: |
1 CD-ROM. |
Idioma: |
Português |
Categoria do assunto: |
-- |
Marc: |
LEADER 00582naa a2200169 a 4500 001 1745428 005 2008-08-15 008 2007 bl uuuu u00u1 u #d 100 1 $aAIRES, R. F. 245 $aResistência de hibridos de mamona, Ricinus communis à cigarrinha, Agallia sp. 260 $c2007 300 $a1 CD-ROM. 490 $v1 CD-ROM. 700 1 $aNAVA, D. E. 700 1 $aSILVA, S. D. dos A. e. 700 1 $aMELO, M. 773 $tIn: SIMPÓSIO ESTADUAL DE AGROENERGIA, 1.; REUNIÃO TÉCNICA ANUAL DE AGROENERGIA-RS, 1., 2007, Pelotas. Anais... Pelotas: Embrapa Clima Temperado, 2007.
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Embrapa Clima Temperado (CPACT) |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura; Embrapa Unidades Centrais. |
Data corrente: |
12/12/2014 |
Data da última atualização: |
24/02/2015 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
OLIVEIRA, E. J. de; OLIVEIRA FILHO, O. S. de; SANTOS, V. da S. |
Afiliação: |
EDER JORGE DE OLIVEIRA, CNPMF; OSVALDO SEBASTIÃO DE OLIVEIRA FILHO, UFRB; VANDERLEI DA SILVA SANTOS, CNPMF. |
Título: |
Selection of the most informative morphoagronomic descriptors for cassava germplasm. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 49, n. 11, p. 891-900, nov. 2014. |
ISSN: |
1678-3921 |
DOI: |
10.1590/S0100-204X2014001100008 |
Idioma: |
Inglês |
Conteúdo: |
The objective of this work was to select the most informative morphoagronomic descriptors for cassava (Manihot esculenta) germplasm and to evaluate the ability of different methods to select the descriptors. Ninety?five accessions were characterized using 51 morphoagronomic descriptors. Data were subjected to a multiple correspondence analysis (MCA), whose information was used in the following four methods of descriptor selection: reverse order of the descriptor for the pth factorial axis of the MCA (Jolliffe); sequential, multiple correspondence analysis (SMCA); mean of the contribution orders of the descriptor in the first three factorial axes (C3PA); and C3PA method weighted by the respective eigenvalues of the full analysis (C3PAWeig). The correlations between the dissimilarity matrix with all descriptors and the most informative descriptors were high and significant (0.75, 0.77, 0.83, and 0.84 for C3PAWeig, C3PA, SMCA, and Jolliffe, respectively). The less informative descriptors were discarded, considering those common among the selection methods and relevant for the breeding interests. Therefore, 32 morphoagronomic descriptors with correlation between the dissimilarity matrices (r=0.81) were selected, due to their high capacity to discriminate cassava germplasm and to their ability to maintain some preliminary agronomic traits, useful for the initial characterization of the germplasm. |
Thesagro: |
Manihot esculenta; Recurso genético; Recurso natural. |
Thesaurus NAL: |
Cassava; Genetic resources. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/115664/1/Selection-of-the-most-informative-19840-90335-3-PB.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/113668/1/Selection-of-the-most.pdf
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Marc: |
LEADER 02124naa a2200229 a 4500 001 2005735 005 2015-02-24 008 2014 bl uuuu u00u1 u #d 022 $a1678-3921 024 7 $a10.1590/S0100-204X2014001100008$2DOI 100 1 $aOLIVEIRA, E. J. de 245 $aSelection of the most informative morphoagronomic descriptors for cassava germplasm. 260 $c2014 520 $aThe objective of this work was to select the most informative morphoagronomic descriptors for cassava (Manihot esculenta) germplasm and to evaluate the ability of different methods to select the descriptors. Ninety?five accessions were characterized using 51 morphoagronomic descriptors. Data were subjected to a multiple correspondence analysis (MCA), whose information was used in the following four methods of descriptor selection: reverse order of the descriptor for the pth factorial axis of the MCA (Jolliffe); sequential, multiple correspondence analysis (SMCA); mean of the contribution orders of the descriptor in the first three factorial axes (C3PA); and C3PA method weighted by the respective eigenvalues of the full analysis (C3PAWeig). The correlations between the dissimilarity matrix with all descriptors and the most informative descriptors were high and significant (0.75, 0.77, 0.83, and 0.84 for C3PAWeig, C3PA, SMCA, and Jolliffe, respectively). The less informative descriptors were discarded, considering those common among the selection methods and relevant for the breeding interests. Therefore, 32 morphoagronomic descriptors with correlation between the dissimilarity matrices (r=0.81) were selected, due to their high capacity to discriminate cassava germplasm and to their ability to maintain some preliminary agronomic traits, useful for the initial characterization of the germplasm. 650 $aCassava 650 $aGenetic resources 650 $aManihot esculenta 650 $aRecurso genético 650 $aRecurso natural 700 1 $aOLIVEIRA FILHO, O. S. de 700 1 $aSANTOS, V. da S. 773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 49, n. 11, p. 891-900, nov. 2014.
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