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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: |
27/04/2012 |
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Data da última atualização: |
25/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, E. J. de; DIAS, N. L. P.; DANTAS, J. L. L. |
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Afiliação: |
EDER JORGE DE OLIVEIRA, CNPMF; NAGELA LAZARE PEREIRA DIAS, UFRB; JORGE LUIZ LOYOLA DANTAS, CNPMF. |
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Título: |
Selection of morpho-agronomic descriptors for characterization of papaya cultivars. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Euphytica, v. 185, n. 2, p. 253-265, 2012. |
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DOI: |
10.1007/s10681-011-0565-0 |
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Idioma: |
Inglês |
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Conteúdo: |
This study was conducted to define a list of sufficient minimum descriptors to distinguish between papaya genotypes quickly and precisely. To this end, 30 quantitative and 21 multi-category descriptors related to plant characteristics, such as leaves, flowers, fruit and seeds were evaluated in 27 genotypes of papaya, including crops, local varieties and improved lines. The quantitative descriptors were subjected to principal components analyses using the Singh and direct selection methods, whereas a correlation analysis was conducted for the qualitative descriptors. Eighteen and fifteen quantitative descriptors were discarded by the Singh and direct selection methods, respectively. However, considering the simultaneous analyses of these methodologies, 60% of the descriptors were selected to maximize the total variation of the genotypes. Six of the multi-category descriptors were monomorphic, and two were highly correlated with other characteristics and were discarded. The minimum descriptors that were selected had high discrimination potentials when they were analyzed together. Thus, for the purposes of the protection of varieties and the classification of the genotypes of papaya, there were found to be 18 quantitative and 13 multi-category minimum descriptors that contributed significantly to the total variation and possessed low correlation with each other. The elimination of descriptors did not entail a loss of information. Those descriptors that contributed most significantly to the first three principal components were the stem diameters, fruit lengths and widths, inflorescence peduncle lengths, thickness of fruit skin, leaf widths, dry and fresh seed weights and ratio between fruit lengths and widths and between total soluble solids and total titratable acidities. MenosThis study was conducted to define a list of sufficient minimum descriptors to distinguish between papaya genotypes quickly and precisely. To this end, 30 quantitative and 21 multi-category descriptors related to plant characteristics, such as leaves, flowers, fruit and seeds were evaluated in 27 genotypes of papaya, including crops, local varieties and improved lines. The quantitative descriptors were subjected to principal components analyses using the Singh and direct selection methods, whereas a correlation analysis was conducted for the qualitative descriptors. Eighteen and fifteen quantitative descriptors were discarded by the Singh and direct selection methods, respectively. However, considering the simultaneous analyses of these methodologies, 60% of the descriptors were selected to maximize the total variation of the genotypes. Six of the multi-category descriptors were monomorphic, and two were highly correlated with other characteristics and were discarded. The minimum descriptors that were selected had high discrimination potentials when they were analyzed together. Thus, for the purposes of the protection of varieties and the classification of the genotypes of papaya, there were found to be 18 quantitative and 13 multi-category minimum descriptors that contributed significantly to the total variation and possessed low correlation with each other. The elimination of descriptors did not entail a loss of information. Those descriptors that contributed most signific... Mostrar Tudo |
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Palavras-Chave: |
Carica papaya L; Cultivar protection. |
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Thesaurus Nal: |
multivariate analysis. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02394naa a2200193 a 4500
001 1923314
005 2023-05-25
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1007/s10681-011-0565-0$2DOI
100 1 $aOLIVEIRA, E. J. de
245 $aSelection of morpho-agronomic descriptors for characterization of papaya cultivars.$h[electronic resource]
260 $c2012
520 $aThis study was conducted to define a list of sufficient minimum descriptors to distinguish between papaya genotypes quickly and precisely. To this end, 30 quantitative and 21 multi-category descriptors related to plant characteristics, such as leaves, flowers, fruit and seeds were evaluated in 27 genotypes of papaya, including crops, local varieties and improved lines. The quantitative descriptors were subjected to principal components analyses using the Singh and direct selection methods, whereas a correlation analysis was conducted for the qualitative descriptors. Eighteen and fifteen quantitative descriptors were discarded by the Singh and direct selection methods, respectively. However, considering the simultaneous analyses of these methodologies, 60% of the descriptors were selected to maximize the total variation of the genotypes. Six of the multi-category descriptors were monomorphic, and two were highly correlated with other characteristics and were discarded. The minimum descriptors that were selected had high discrimination potentials when they were analyzed together. Thus, for the purposes of the protection of varieties and the classification of the genotypes of papaya, there were found to be 18 quantitative and 13 multi-category minimum descriptors that contributed significantly to the total variation and possessed low correlation with each other. The elimination of descriptors did not entail a loss of information. Those descriptors that contributed most significantly to the first three principal components were the stem diameters, fruit lengths and widths, inflorescence peduncle lengths, thickness of fruit skin, leaf widths, dry and fresh seed weights and ratio between fruit lengths and widths and between total soluble solids and total titratable acidities.
650 $amultivariate analysis
653 $aCarica papaya L
653 $aCultivar protection
700 1 $aDIAS, N. L. P.
700 1 $aDANTAS, J. L. L.
773 $tEuphytica$gv. 185, n. 2, p. 253-265, 2012.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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| 5. |  | SILVA, S. R. da; RIOS, G. P. Durabilidade da resistência a Uromyces appendiculatus em cultivares de feijoeiro submetidas a inoculações sucessivas. Fitopatologia Brasileira, Brasília, DF, v. 23, p. 282, ago. 1998. Suplemento, ref. 409. Edição dos Resumos do XXXI Congresso Brasileiro de Fitopatologia, Fortaleza, ago. 1998.| Tipo: Resumo em Anais de Congresso |
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| 14. | | FRANCO, D.; MARTINS, A. B. G.; STUCHI, E. S.; SILVA, S. R. da. Evaluation of six sweet oranges cultivars in Bebedouro, SP, Brazil. In: INTERNATIONAL CITRUS CONGRESS, 11., 2008, Wuhan, China. Program and abstracts... Wuhan: The International Society of Citriculture, 2008. p. 292. P515.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 15. | | SILVA, S. R. da; STUCHI, E. S.; GIRARDI, E. A.; CANTUARIAS-AVILÉS, T.; BASSAN, M. M. Desempenho da Tangerineira SPAN Americana em diferentes porta-enxertos. Revista Brasileira de Fruticultura, Jaboticabal - SP, v. 35, n. 4, p. 1052-1058, dez. 2013.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 16. | | SILVA, S. R. da; STUCHI, E. S.; SEMPIONATO, O. R.; REIFF, E. T.; FRANCO, D. Desenvolvimento, produção inicial e qualidade de frutos da variedade 'Span Americana' em nove porta-enxertos. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 20.; ANNUAL MEETING OF THE INTERAMERICAN SOCIETY FOR TROPICAL HORTICULTURE, 54., 2008, Vitória. Frutas para todos: estratégias, tecnologias e visão sustentável: anais. Vitória: INCAPER: Sociedade Brasileira de Fruticultura, 2008.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 17. | | STUCHI, E. S.; SILVA, S. R. da; DONADIO, L. C.; SEMPIONATO, O. R.; REIFF, E. T. Desempenho do pomeleiro "marsh seedles" enxertado em trifoliata inoculado com viróides no Brasil. Scientia Agricola, Piracicaba, v. 64, n. 6, p.582-588, nov/dez, 2007| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - B |
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| 18. | | FRANCO, D.; MARTINS, A. B. G.; STUCHI, E. S.; SILVA, S. R. da; LARANJEIRA, F. F. Danos às plantas e produção de seis cultivares de laranjeiras doces sob infecção natural de Xylella fastidiosa. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 20.; ANNUAL MEETING OF THE INTERAMERICAN SOCIETY FOR TROPICAL HORTICULTURE, 54., 2008, Vitória. Frutas para todos: estratégias, tecnologias e visão sustentável: anais. Vitória: INCAPER: Sociedade Brasileira de Fruticultura, 2008.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 20. | | EIRAS, M.; SILVA, S. R. da; STUCHI, E. S.; FLORES, R.; DARÓS, J. A. Viroid species associated with the bark-cracking phenotype of 'Tahiti' acid lime in the State of São Paulo, Brazil. Tropical Plant Pathology, Brasília, DF, v. 35, n. 5, p. 303-309, 2010. Short communication| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| Registros recuperados : 84 | |
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