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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: |
26/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BARBOSA, D. H. S. G.; RODRIGUES, W. P.; VIEIRA, H. D.; PARTELLI, F. L.; VIANA, A. P. |
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Afiliação: |
DIMMY HERLLEN SILVEIRA G BARBOSA, CNPMF; W. P. RODRIGUES, UENF; H. D. VIEIRA, UENF; F. L. PARTELLI, UFES; A. P. VIANA, UENF. |
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Título: |
Adaptability and stability of conilon coffee in areas of high altitude. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Genetics and Molecular Research, v. 13, n.3, p. 7879-7888, 2014. |
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ISSN: |
1676-5680 |
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Idioma: |
Inglês |
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Conteúdo: |
In view of the predicted models of global climate change and differences in prices and production costs, there is increased interest in Coffea canephora cultivation in areas of high altitude. However, this species is sensitive to low temperatures, where genotypes vary regarding adaptation/tolerance mechanisms, demonstrating genotype x environment interaction. The aim of this study was to evaluate the stability and adaptability of C. canephora varieties in high-altitude areas. The experiments were carried out in February 2004, in Bom Jesus do Itabapoana, Rio de Janeiro State, Brazil, at an altitude of 725 m. Four clonal varieties (EMCAPA 8111, EMCAPA 8121, EMCAPA 8131, and EMCAPA 8151) and five harvests (2006 to 2010) were used. The experimental design was randomized blocks with four treatments and six plots, with 12 plants in each plot and spaced 2.5 x 1.2 m. Adaptability and stability parameters were determined using methods based on nonparametric analysis and analysis of variance. The results showed that the EMCAPA 8131 had the best performance according to stability and adaptability parameters and may be promising for high-altitude regions. |
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Thesagro: |
Café; Coffea Arábica. |
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Categoria do assunto: |
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Marc: |
LEADER 01754naa a2200205 a 4500
001 2008380
005 2023-05-26
008 2014 bl uuuu u00u1 u #d
022 $a1676-5680
100 1 $aBARBOSA, D. H. S. G.
245 $aAdaptability and stability of conilon coffee in areas of high altitude.$h[electronic resource]
260 $c2014
520 $aIn view of the predicted models of global climate change and differences in prices and production costs, there is increased interest in Coffea canephora cultivation in areas of high altitude. However, this species is sensitive to low temperatures, where genotypes vary regarding adaptation/tolerance mechanisms, demonstrating genotype x environment interaction. The aim of this study was to evaluate the stability and adaptability of C. canephora varieties in high-altitude areas. The experiments were carried out in February 2004, in Bom Jesus do Itabapoana, Rio de Janeiro State, Brazil, at an altitude of 725 m. Four clonal varieties (EMCAPA 8111, EMCAPA 8121, EMCAPA 8131, and EMCAPA 8151) and five harvests (2006 to 2010) were used. The experimental design was randomized blocks with four treatments and six plots, with 12 plants in each plot and spaced 2.5 x 1.2 m. Adaptability and stability parameters were determined using methods based on nonparametric analysis and analysis of variance. The results showed that the EMCAPA 8131 had the best performance according to stability and adaptability parameters and may be promising for high-altitude regions.
650 $aCafé
650 $aCoffea Arábica
700 1 $aRODRIGUES, W. P.
700 1 $aVIEIRA, H. D.
700 1 $aPARTELLI, F. L.
700 1 $aVIANA, A. P.
773 $tGenetics and Molecular Research$gv. 13, n.3, p. 7879-7888, 2014.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
24/10/2003 |
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Data da última atualização: |
24/10/2003 |
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Autoria: |
MARIN, V. A.; TEIXEIRA, K. R. S. dos; BALDANI, J. I. |
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Título: |
Characterization of amplified polymerase chain reaction glnB and nifH gene fragments of nitrogen-fixing Burkholderia species. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Letters in Applied Microbiology, Oxford, v. 36, p. 77-82, 2003. |
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Idioma: |
Inglês |
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Conteúdo: |
Aims: To clone and sequence polymerase chain reaction (PCR)-amplified glnB and nifH genes of the nitrogen- fixing bacteria Burkholderia brasilensis strain M130, B. tropicalis strain PPe8 and B. kururiensis strain KP23. Methods and Resu1ts: The glnB and nifH gene fragments were amplified by PCR using universal degenerated primers. A very high percentage of similarity for the nifH (100%) and glnB (96%) genes was observed between strains M130 and KP23. A similarity of 100% for the nifH gene was also observed between strains M130 and PPe8. However, the identity for the glnB gene was 98% and the similarity 88%. The phylogenetic tree of the nifH gene showed a very high degree of similarity to the 16S rDNA gene. Conc1usions: The nitrogen-fixing bacteria of the Burkholderia genus formed a cluster separated from the other species of the genus mainly when the nifH rather than the glnB gene was used to construct the phylogenetic tree. Significance and Impact of the Study: Knowledge of the nifH and glnB gene sequences of B. brasilensis, B. tropicalis and B. kururiensis will support new studies on the diversity of these diazotrophs in natural environments.
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Palavras-Chave: |
BNF; FBN; Fixação biológica de nitrogênio; Nitrogen fixation biology. |
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Thesagro: |
Bactéria. |
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Thesaurus NAL: |
Burkholderia. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01831naa a2200217 a 4500
001 1624610
005 2003-10-24
008 2003 bl --- 0-- u #d
100 1 $aMARIN, V. A.
245 $aCharacterization of amplified polymerase chain reaction glnB and nifH gene fragments of nitrogen-fixing Burkholderia species.
260 $c2003
520 $aAims: To clone and sequence polymerase chain reaction (PCR)-amplified glnB and nifH genes of the nitrogen- fixing bacteria Burkholderia brasilensis strain M130, B. tropicalis strain PPe8 and B. kururiensis strain KP23. Methods and Resu1ts: The glnB and nifH gene fragments were amplified by PCR using universal degenerated primers. A very high percentage of similarity for the nifH (100%) and glnB (96%) genes was observed between strains M130 and KP23. A similarity of 100% for the nifH gene was also observed between strains M130 and PPe8. However, the identity for the glnB gene was 98% and the similarity 88%. The phylogenetic tree of the nifH gene showed a very high degree of similarity to the 16S rDNA gene. Conc1usions: The nitrogen-fixing bacteria of the Burkholderia genus formed a cluster separated from the other species of the genus mainly when the nifH rather than the glnB gene was used to construct the phylogenetic tree. Significance and Impact of the Study: Knowledge of the nifH and glnB gene sequences of B. brasilensis, B. tropicalis and B. kururiensis will support new studies on the diversity of these diazotrophs in natural environments.
650 $aBurkholderia
650 $aBactéria
653 $aBNF
653 $aFBN
653 $aFixação biológica de nitrogênio
653 $aNitrogen fixation biology
700 1 $aTEIXEIRA, K. R. S. dos
700 1 $aBALDANI, J. I.
773 $tLetters in Applied Microbiology, Oxford$gv. 36, p. 77-82, 2003.
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