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Registro Completo |
Biblioteca(s): |
Embrapa Amazônia Ocidental. |
Data corrente: |
17/09/1997 |
Data da última atualização: |
04/11/2019 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
GASPAROTTO, L.; MORAES, V. H. de F. |
Afiliação: |
LUADIR GASPAROTTO, CPAA; VICENTE HAROLDO de F. MORAES, CPAA. |
Título: |
Informe de viaje a Colômbia. |
Ano de publicação: |
1996 |
Fonte/Imprenta: |
In: SEMINÁRIO INTERNACIONAL FISIOLOGIA Y FITOPATOLOGIA DE CAUCHO, 1995, Florência. Memórias. Caquetá: CIFISAM, 1996. p. 13-27. |
Idioma: |
Português |
Conteúdo: |
Reconocimiento del estado actual del comportamiento de la heveicultura en el Departamento del Caqueta; Intercambio de informacion con tecnicos, directivos de entidades que laboran en el area, agricultores y transferencia de las experiencias adquiridas con el cultivo de caucho en la Amazonia brasileira; Formulacion de un preproyecto de Plan de Accion para la sostenibilidad de la heveicultura en la Amazonia Colombiana. |
Palavras-Chave: |
Rubber tree; Species. |
Thesagro: |
Espécie; Hevea; Seringueira. |
Thesaurus Nal: |
Colombia. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/180419/1/novo-Gasparotto.pdf
|
Marc: |
LEADER 00977nam a2200193 a 4500 001 1667500 005 2019-11-04 008 1996 bl uuuu u00u1 u #d 100 1 $aGASPAROTTO, L. 245 $aInforme de viaje a Colômbia. 260 $aIn: SEMINÁRIO INTERNACIONAL FISIOLOGIA Y FITOPATOLOGIA DE CAUCHO, 1995, Florência. Memórias. Caquetá: CIFISAM, 1996. p. 13-27.$c1996 520 $aReconocimiento del estado actual del comportamiento de la heveicultura en el Departamento del Caqueta; Intercambio de informacion con tecnicos, directivos de entidades que laboran en el area, agricultores y transferencia de las experiencias adquiridas con el cultivo de caucho en la Amazonia brasileira; Formulacion de un preproyecto de Plan de Accion para la sostenibilidad de la heveicultura en la Amazonia Colombiana. 650 $aColombia 650 $aEspécie 650 $aHevea 650 $aSeringueira 653 $aRubber tree 653 $aSpecies 700 1 $aMORAES, V. H. de F.
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Embrapa Amazônia Ocidental (CPAA) |
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Registro Completo
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
12/07/2013 |
Data da última atualização: |
19/05/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
JESUS, O. N. de; FREITAS, J. P. de; DANTAS, J. L.; OLIVEIRA, E. J. de. |
Afiliação: |
ONILDO NUNES DE JESUS, CNPMF; J. P. DE FREITAS; J. L. DANTAS; EDER JORGE DE OLIVEIRA, CNPMF. |
Título: |
Use of morpho-agronomic traits and DNA profiling for classification of genetic diversity in papaya. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Genetics and Molecular Research, v.1, n.2, Mar. 2013. |
ISSN: |
1676-5680 |
Idioma: |
Inglês |
Conteúdo: |
We examined the genetic diversity of papaya (Carica papaya) based on morph-agronomic and molecular data. Twenty-seven genotypes grown in Brazil were analyzed with 11 AFLP primer combinations, 23 ISSR markers, 22 qualitative and 30 quantitative descriptors. For the joint analyses, we used the Gower algorithm (Joint Gower) and the average value of the individual dissimilarity matrix for each type of data (Average-Joint Gower); 359 AFLP and 52 ISSR polymorphic bands were found. Approximately 29.2 and 7.7% of the AFLP and ISSR bands, respectively, were genotype-specific and may therefore be used for papaya variety protection. Although there was a significant correlation between the qualitative and quantitative descriptor dissimilarity matrices (r = 0.43), the morph-agronomic data were not highly correlated with the molecular data. Moreover, correlation between AFLP and ISSR dissimilarity matrices was nearly null (r = -0.01). Joint Gower analysis of all data showed high correlations, especially for AFLP markers, most likely due to the larger number of bands, generating a strong bias in the diversity estimates. The Joint-Average-Gower analysis allowed a better balance between the correlations for the continuous and the discrete variables. The results generated by clustering analysis distinguished 5 genetically distinct groups. While we found that papaya genotypes are significantly variable for many traits, we observed that Joint-Average-Gower analysis allowed for genotype clustering based on the most widely used criterion for classifying papaya genotypes, which is fruit type ('Formosa' or 'Solo'). This information helps provide an accurate estimate of the genetic diversity and structure of papaya germplasm, which will be used for further breeding strategies. MenosWe examined the genetic diversity of papaya (Carica papaya) based on morph-agronomic and molecular data. Twenty-seven genotypes grown in Brazil were analyzed with 11 AFLP primer combinations, 23 ISSR markers, 22 qualitative and 30 quantitative descriptors. For the joint analyses, we used the Gower algorithm (Joint Gower) and the average value of the individual dissimilarity matrix for each type of data (Average-Joint Gower); 359 AFLP and 52 ISSR polymorphic bands were found. Approximately 29.2 and 7.7% of the AFLP and ISSR bands, respectively, were genotype-specific and may therefore be used for papaya variety protection. Although there was a significant correlation between the qualitative and quantitative descriptor dissimilarity matrices (r = 0.43), the morph-agronomic data were not highly correlated with the molecular data. Moreover, correlation between AFLP and ISSR dissimilarity matrices was nearly null (r = -0.01). Joint Gower analysis of all data showed high correlations, especially for AFLP markers, most likely due to the larger number of bands, generating a strong bias in the diversity estimates. The Joint-Average-Gower analysis allowed a better balance between the correlations for the continuous and the discrete variables. The results generated by clustering analysis distinguished 5 genetically distinct groups. While we found that papaya genotypes are significantly variable for many traits, we observed that Joint-Average-Gower analysis allowed for genotype clusteri... Mostrar Tudo |
Palavras-Chave: |
Genetic variability; Melhoramento genético; Variabilidade genética. |
Thesagro: |
Carica Papaya; Mamão. |
Thesaurus NAL: |
Algorithms; Genetic resources. |
Categoria do assunto: |
G Melhoramento Genético |
Marc: |
LEADER 02537naa a2200253 a 4500 001 1961948 005 2023-05-19 008 2013 bl uuuu u00u1 u #d 022 $a1676-5680 100 1 $aJESUS, O. N. de 245 $aUse of morpho-agronomic traits and DNA profiling for classification of genetic diversity in papaya.$h[electronic resource] 260 $c2013 520 $aWe examined the genetic diversity of papaya (Carica papaya) based on morph-agronomic and molecular data. Twenty-seven genotypes grown in Brazil were analyzed with 11 AFLP primer combinations, 23 ISSR markers, 22 qualitative and 30 quantitative descriptors. For the joint analyses, we used the Gower algorithm (Joint Gower) and the average value of the individual dissimilarity matrix for each type of data (Average-Joint Gower); 359 AFLP and 52 ISSR polymorphic bands were found. Approximately 29.2 and 7.7% of the AFLP and ISSR bands, respectively, were genotype-specific and may therefore be used for papaya variety protection. Although there was a significant correlation between the qualitative and quantitative descriptor dissimilarity matrices (r = 0.43), the morph-agronomic data were not highly correlated with the molecular data. Moreover, correlation between AFLP and ISSR dissimilarity matrices was nearly null (r = -0.01). Joint Gower analysis of all data showed high correlations, especially for AFLP markers, most likely due to the larger number of bands, generating a strong bias in the diversity estimates. The Joint-Average-Gower analysis allowed a better balance between the correlations for the continuous and the discrete variables. The results generated by clustering analysis distinguished 5 genetically distinct groups. While we found that papaya genotypes are significantly variable for many traits, we observed that Joint-Average-Gower analysis allowed for genotype clustering based on the most widely used criterion for classifying papaya genotypes, which is fruit type ('Formosa' or 'Solo'). This information helps provide an accurate estimate of the genetic diversity and structure of papaya germplasm, which will be used for further breeding strategies. 650 $aAlgorithms 650 $aGenetic resources 650 $aCarica Papaya 650 $aMamão 653 $aGenetic variability 653 $aMelhoramento genético 653 $aVariabilidade genética 700 1 $aFREITAS, J. P. de 700 1 $aDANTAS, J. L. 700 1 $aOLIVEIRA, E. J. de 773 $tGenetics and Molecular Research$gv.1, n.2, Mar. 2013.
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