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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: |
10/02/2015 |
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Data da última atualização: |
08/03/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, E. J. de; SANTANA, F. A.; OLIVEIRA, L. A. de; SANTOS, V. da S. |
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Afiliação: |
EDER JORGE DE OLIVEIRA, CNPMF; FERNANDA ALVES SANTANA, UFRB; LUCIANA ALVES DE OLIVEIRA, CNPMF; VANDERLEI DA SILVA SANTOS, CNPMF. |
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Título: |
Genotypic variation of traits related to quality of cassava roots using affinity propagation algorithm. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Scientia Agricola, v.72, n.1, p.53-61, January/February 2015. |
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ISSN: |
0103-9016 |
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DOI: |
10.1590/0103-9016-2014-0043 |
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Idioma: |
Inglês |
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Conteúdo: |
The conservation, sustainable evaluation and use of cassava (Manihot esculenta Crantz) genetic resources are essential to the development of new commercial varieties. This study aimed to evaluate the quality of cassava roots and to estimate genetic ariation and clustering in cassava germplasm using the Affinity Propagation algorithm (AP), which is based on the concept of "message passing" between data points. AP finds "exemplars" of each group and members of the input set representative of clusters. The genotypic data of 474 cassava accessions were evaluated over a period of two years for starch yield (StYi), root dry matter (DMC), amylose content (AML), and the level of cyanogenic compounds (CyC). The AP algorithm enabled the formation of nine diversity groups, whose number reflects the high genetic diversity of this germplasm. A high homogeneity of genetic distances was observed within all the groups, except for two groups in which there was a partial overlap caused mainly by a high variation of the CyC trait. In addition, no relationship between the genetic structure and CyC (sweet and bitter cassava) was observed. Analysis of variance of the nine clusters confirmed the presence of differences between the groups. Thus, the results of this study can be used in future breeding programs (hybridization or selection) to introduce new genetic variability into commercial cultivars to avoid problems related to low genetic variation and to improve the quality of cassava roots. Keywords: germplasm, amylose content, cyanogenic compounds, yield MenosThe conservation, sustainable evaluation and use of cassava (Manihot esculenta Crantz) genetic resources are essential to the development of new commercial varieties. This study aimed to evaluate the quality of cassava roots and to estimate genetic ariation and clustering in cassava germplasm using the Affinity Propagation algorithm (AP), which is based on the concept of "message passing" between data points. AP finds "exemplars" of each group and members of the input set representative of clusters. The genotypic data of 474 cassava accessions were evaluated over a period of two years for starch yield (StYi), root dry matter (DMC), amylose content (AML), and the level of cyanogenic compounds (CyC). The AP algorithm enabled the formation of nine diversity groups, whose number reflects the high genetic diversity of this germplasm. A high homogeneity of genetic distances was observed within all the groups, except for two groups in which there was a partial overlap caused mainly by a high variation of the CyC trait. In addition, no relationship between the genetic structure and CyC (sweet and bitter cassava) was observed. Analysis of variance of the nine clusters confirmed the presence of differences between the groups. Thus, the results of this study can be used in future breeding programs (hybridization or selection) to introduce new genetic variability into commercial cultivars to avoid problems related to low genetic variation and to improve the quality of cassava roots. Key... Mostrar Tudo |
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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 02177naa a2200205 a 4500
001 2008378
005 2016-03-08
008 2015 bl uuuu u00u1 u #d
022 $a0103-9016
024 7 $a10.1590/0103-9016-2014-0043$2DOI
100 1 $aOLIVEIRA, E. J. de
245 $aGenotypic variation of traits related to quality of cassava roots using affinity propagation algorithm.
260 $c2015
520 $aThe conservation, sustainable evaluation and use of cassava (Manihot esculenta Crantz) genetic resources are essential to the development of new commercial varieties. This study aimed to evaluate the quality of cassava roots and to estimate genetic ariation and clustering in cassava germplasm using the Affinity Propagation algorithm (AP), which is based on the concept of "message passing" between data points. AP finds "exemplars" of each group and members of the input set representative of clusters. The genotypic data of 474 cassava accessions were evaluated over a period of two years for starch yield (StYi), root dry matter (DMC), amylose content (AML), and the level of cyanogenic compounds (CyC). The AP algorithm enabled the formation of nine diversity groups, whose number reflects the high genetic diversity of this germplasm. A high homogeneity of genetic distances was observed within all the groups, except for two groups in which there was a partial overlap caused mainly by a high variation of the CyC trait. In addition, no relationship between the genetic structure and CyC (sweet and bitter cassava) was observed. Analysis of variance of the nine clusters confirmed the presence of differences between the groups. Thus, the results of this study can be used in future breeding programs (hybridization or selection) to introduce new genetic variability into commercial cultivars to avoid problems related to low genetic variation and to improve the quality of cassava roots. Keywords: germplasm, amylose content, cyanogenic compounds, yield
650 $aCassava
650 $aMandioca
700 1 $aSANTANA, F. A.
700 1 $aOLIVEIRA, L. A. de
700 1 $aSANTOS, V. da S.
773 $tScientia Agricola$gv.72, n.1, p.53-61, January/February 2015.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
30/04/1999 |
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Data da última atualização: |
08/04/2022 |
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Tipo da produção científica: |
Comunicado Técnico/Recomendações Técnicas |
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Autoria: |
COSTA, N. D.; RESENDE, G. M. de; DIAS, R. de C. S. |
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Afiliação: |
NIVALDO DUARTE COSTA, CPATSA; GERALDO MILANEZ DE RESENDE, CPATSA; RITA DE CASSIA SOUZA DIAS, CPATSA. |
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Título: |
Produtividade de cultivares de cebola no vale do São Francisco. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Petrolina: Embrapa Semi-Árido, 1999. |
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Páginas: |
5 p. |
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Série: |
(Embrapa Semi-Árido. Comunicado Técnico, 80). |
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Idioma: |
Português |
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Conteúdo: |
Os tratos culturais e controle de pragas e doenças foram realizados de acordo com as recomendações para a cultura da cebola. |
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Palavras-Chave: |
Brasil; Competition; Nordeste; Onion; Productivity; Quality; Regiao Nordeste; Vale do Sao Francisco. |
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Thesagro: |
Allium Cepa; Cebola; Competição de Variedade; Produtividade; Qualidade; Variedade. |
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Thesaurus NAL: |
Brazil; onions; varieties; yields. |
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Categoria do assunto: |
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A Sistemas de Cultivo |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/CPATSA/7010/1/COT80.pdf
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Marc: |
LEADER 01073nam a2200373 a 4500
001 1131847
005 2022-04-08
008 1999 bl uuuu u0uu1 u #d
100 1 $aCOSTA, N. D.
245 $aProdutividade de cultivares de cebola no vale do São Francisco.
260 $aPetrolina: Embrapa Semi-Árido$c1999
300 $a5 p.
490 $a(Embrapa Semi-Árido. Comunicado Técnico, 80).
520 $aOs tratos culturais e controle de pragas e doenças foram realizados de acordo com as recomendações para a cultura da cebola.
650 $aBrazil
650 $aonions
650 $avarieties
650 $ayields
650 $aAllium Cepa
650 $aCebola
650 $aCompetição de Variedade
650 $aProdutividade
650 $aQualidade
650 $aVariedade
653 $aBrasil
653 $aCompetition
653 $aNordeste
653 $aOnion
653 $aProductivity
653 $aQuality
653 $aRegiao Nordeste
653 $aVale do Sao Francisco
700 1 $aRESENDE, G. M. de
700 1 $aDIAS, R. de C. S.
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Embrapa Semiárido (CPATSA) |
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