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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
03/10/2013 |
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Data da última atualização: |
03/10/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SANTOS, M. de S. dos; GHINI, R.; FERNANDES, B. V.; SILVA, C. A. |
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Afiliação: |
MICHELLI DE SOUZA DOS SANTOS, FCA-UNESP; RAQUEL GHINI, CNPMA; B. V. FERNANDES, V&M Florestal; CARLOS ALBERTO SILVA, UFLA. |
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Título: |
Increased carbon dioxide concentration in the air reduces the severity of Ceratocystis wilt in Eucalyptus clonal plantlets. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Australasian Plant Pathology, Melbourne, v. 42, n. 5, p. 592-599, 2013. |
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Idioma: |
Inglês |
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Conteúdo: |
The increased atmospheric carbon dioxide concentrations expected in the coming decades will result in changes in host-pathogen interactions. The present study aimed to evaluate the effect of high concentrations of CO2 in the air on the development of Ceratocystis wilt in two Eucalyptus clones (a hybrid of Eucalyptus urophylla and a cross between E. urophylla x E. camaldulensis). The clonal plantlets were cultivated under CO2 concentrations of 394?±?10 ?mol/mol (environmental condition), 553?±?15 ?mol/mol and 878?±?70 ?mol/mol in a controlled environment for 70 days and inoculated with Ceratocystis fimbriata conidia. In the treatments with 553 and 878 ?mol/mol, the plants of both clones had greater growth (215 % and 219 % increases in leaf area and 22 % and 24 % in stem diameter, respectively), a longer incubation period (65 % for both CO2 concentrations) and less disease severity (48 % and 78 % reduction, respectively) on average compared with the plants cultivated at 394 ?mol/mol. The carbon content of the leaves was greater at the higher CO2 concentrations; however, there was no difference in the C content of the stems and roots. The nitrogen content of the leaves, stems and roots were lower in the environments with higher CO2 concentrations. The results show that an increased CO2 concentration can reduce the severity of Ceratocystis wilt and stimulate the growth of Eucalyptus clonal plantlets. |
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Palavras-Chave: |
CO2. |
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Thesagro: |
Atmosfera; Ceratocystis fimbriata; Clima; Dióxido de carbono; Doença de planta; Eucalipto. |
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Thesaurus Nal: |
Carbon dioxide; Climate change; Eucalyptus; Plant diseases and disorders. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02295naa a2200289 a 4500
001 1967710
005 2013-10-03
008 2013 bl uuuu u00u1 u #d
100 1 $aSANTOS, M. de S. dos
245 $aIncreased carbon dioxide concentration in the air reduces the severity of Ceratocystis wilt in Eucalyptus clonal plantlets.$h[electronic resource]
260 $c2013
520 $aThe increased atmospheric carbon dioxide concentrations expected in the coming decades will result in changes in host-pathogen interactions. The present study aimed to evaluate the effect of high concentrations of CO2 in the air on the development of Ceratocystis wilt in two Eucalyptus clones (a hybrid of Eucalyptus urophylla and a cross between E. urophylla x E. camaldulensis). The clonal plantlets were cultivated under CO2 concentrations of 394?±?10 ?mol/mol (environmental condition), 553?±?15 ?mol/mol and 878?±?70 ?mol/mol in a controlled environment for 70 days and inoculated with Ceratocystis fimbriata conidia. In the treatments with 553 and 878 ?mol/mol, the plants of both clones had greater growth (215 % and 219 % increases in leaf area and 22 % and 24 % in stem diameter, respectively), a longer incubation period (65 % for both CO2 concentrations) and less disease severity (48 % and 78 % reduction, respectively) on average compared with the plants cultivated at 394 ?mol/mol. The carbon content of the leaves was greater at the higher CO2 concentrations; however, there was no difference in the C content of the stems and roots. The nitrogen content of the leaves, stems and roots were lower in the environments with higher CO2 concentrations. The results show that an increased CO2 concentration can reduce the severity of Ceratocystis wilt and stimulate the growth of Eucalyptus clonal plantlets.
650 $aCarbon dioxide
650 $aClimate change
650 $aEucalyptus
650 $aPlant diseases and disorders
650 $aAtmosfera
650 $aCeratocystis fimbriata
650 $aClima
650 $aDióxido de carbono
650 $aDoença de planta
650 $aEucalipto
653 $aCO2
700 1 $aGHINI, R.
700 1 $aFERNANDES, B. V.
700 1 $aSILVA, C. A.
773 $tAustralasian Plant Pathology, Melbourne$gv. 42, n. 5, p. 592-599, 2013.
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Embrapa Meio Ambiente (CNPMA) |
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| Registros recuperados : 6 | |
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