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| 12. |  | FREITAS, A. C.; MIRANDA, T. D.; BARBOSA, M. A. G.; FERREIRA, M. A. S. V. Limite de detecção de Xanthomonas campestris pv. viticola por nested-PCR em frutos assintomáticos de videiras. Tropical Plant Pathology, Brasília, DF, v. 36, 2011. p. 1039. 1 CD-ROM. Suplemento. Edição dos Resumos do 44 Congresso Brasileiro de Fitopatologia, Bento Gonçalves, ago. 2011.| Biblioteca(s): Embrapa Semiárido. |
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| 18. | | MIRANDA, T.; CABRAL, L. M. C.; MIRANDA, N.; GOMES, F. dos S.; MATTA, V. M. da. Avaliação dos efeitos da osmose inversa na concentração de suco de melão e na sua qualidade final. In: CONGRESSO BRASILEIRO DE CIÊNCIA E TECNOLOGIA DE ALIMENTOS, 22., 2010, Salvador. Potencialidades, desafios e inovações. [S.l.]: SBCTA, 2010. 1 CD-ROM.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| Registros recuperados : 38 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
26/01/2022 |
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Data da última atualização: |
26/01/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 3 |
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Autoria: |
OLIVEIRA, G. F.; MIRANDA, T. L. R.; NASCIMENTO, A. C. C.; NASCIMENTO, M.; CAIXETA, E. T.; SILVA, L. de F.; ALKIMIM, E. R.; SILVA, F. L. da. |
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Afiliação: |
GABRIELA FRANÇA OLIVEIRA, UFV; TAIANA LOPES RANGEL MIRANDA, UFV; ANA CAROLINA CAMPANA NASCIMENTO, UFV; MOYSÉS NASCIMENTO, UFV; EVELINE TEIXEIRA CAIXETA MOURA, CNPCa; LETÍCIA DE FARIA SILVA, UFV; EMILLY RUAS ALKIMIM, UFTM; FELIPE LOPES DA SILVA, UFV. |
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Título: |
Discrimination of varietal groups and hybrids of coffea canephora species using multivariate analysis. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Revista Brasileira de Biometria, v. 39, n. 1, p. 194-201, 2021. |
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DOI: |
https://doi.org/10.28951/rbb.v39i1.525 |
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Idioma: |
Inglês |
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Conteúdo: |
Coffee growing is one of the most important agricultural activities in the world market. Among the commercially relevant species, there is Coffea canephora,which can be divided into the varietal groups Conilon and Robusta. These varietal groups have complementary agronomic interests. Because of this, hybrids are obtained through the crosses between these groups. Given the difficulty in differentiating between two varietal groups genotypes in the field, the correct discrimination is essential for the definition of crosses in breeding programs. In this context, the objective was to apply a discriminant analysis (DA) to define functions to differentiate between varietal groups and hybrids of canephora, as well as to identify the most relevant phenotypic traits in these functions. Data from 165 genotypes from the Instituto Capixaba de Pesquisa, Assistência Técnica e Extensão Rural e do Centro Agronómico Tropical de Investigación y Enseñanza were used for which different plant traits were measured. The quadratic DA applied was the one with the best performance for genotype discrimination, with an average apparent error rate of 0.0333. Cercosporiose incidence, rust incidence and vegetative vigor were the most important traits in the varietal groups' discrimination. |
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Thesagro: |
Café Robusta. |
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Thesaurus NAL: |
Coffea; Discriminant analysis; Multivariate analysis. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/230540/1/Discrimination-of-varietal-groups-.pdf
|
|
Marc: |
LEADER 02116naa a2200265 a 4500
001 2139353
005 2022-01-26
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.28951/rbb.v39i1.525$2DOI
100 1 $aOLIVEIRA, G. F.
245 $aDiscrimination of varietal groups and hybrids of coffea canephora species using multivariate analysis.$h[electronic resource]
260 $c2021
520 $aCoffee growing is one of the most important agricultural activities in the world market. Among the commercially relevant species, there is Coffea canephora,which can be divided into the varietal groups Conilon and Robusta. These varietal groups have complementary agronomic interests. Because of this, hybrids are obtained through the crosses between these groups. Given the difficulty in differentiating between two varietal groups genotypes in the field, the correct discrimination is essential for the definition of crosses in breeding programs. In this context, the objective was to apply a discriminant analysis (DA) to define functions to differentiate between varietal groups and hybrids of canephora, as well as to identify the most relevant phenotypic traits in these functions. Data from 165 genotypes from the Instituto Capixaba de Pesquisa, Assistência Técnica e Extensão Rural e do Centro Agronómico Tropical de Investigación y Enseñanza were used for which different plant traits were measured. The quadratic DA applied was the one with the best performance for genotype discrimination, with an average apparent error rate of 0.0333. Cercosporiose incidence, rust incidence and vegetative vigor were the most important traits in the varietal groups' discrimination.
650 $aCoffea
650 $aDiscriminant analysis
650 $aMultivariate analysis
650 $aCafé Robusta
700 1 $aMIRANDA, T. L. R.
700 1 $aNASCIMENTO, A. C. C.
700 1 $aNASCIMENTO, M.
700 1 $aCAIXETA, E. T.
700 1 $aSILVA, L. de F.
700 1 $aALKIMIM, E. R.
700 1 $aSILVA, F. L. da
773 $tRevista Brasileira de Biometria$gv. 39, n. 1, p. 194-201, 2021.
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Embrapa Café (CNPCa) |
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