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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: |
15/02/2019 |
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Data da última atualização: |
19/02/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
RAKOCEVIC, M.; RIBEIRO, R. V.; MARCHIORI, P. E. R.; FILIZOLA, H. F.; BATISTA, E. R. |
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Afiliação: |
MIROSLAVA RAKOCEVIC; RAFAEL VASCONCELOS RIBEIRO, IB-UNICAMP; PAULO EDUARDO RIBEIRO MARCHIORI, UFLA; HELOISA FERREIRA FILIZOLA, CNPMA; EUNICE REIS BATISTA, CNPMA. |
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Título: |
Structural and functional changes in coffee trees after 4 years under free air CO2 enrichment. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Annals of Botany, v. 121, n. 5, p. 1065-1078, 2018. |
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DOI: |
https://doi.org/10.1093/aob/mcy011 |
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Idioma: |
Inglês |
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Conteúdo: |
Background and Aims: Climate forecasts suggest that [CO2] in the atmosphere will continue to increase. Structural and ecophysiological responses to elevated air [CO2] (e[CO2]) in tree species are contradictory due to species-dependent responses and relatively short-term experiments. It was hypothesized that long-term exposure (4 year) to e[CO2] would change canopy structure and function of Coffea arabica trees. Methods: Coffee plants were grown in a FACE (free air CO2 enrichment) facility under two air [CO2]: actual and elevated (actual + approx. 200 ?L CO2 L-1). Plants were codified following the VPlants methodology to obtain coffee mock-ups. Plant canopies were separated into three 50 cm thick layers over a vertical profile to evaluate their structure and photosynthesis, using functional-structural plant modelling. Key Results: Leaf area was strongly reduced on the bottom and upper canopy layers, and increased soil carbon concentration suggested changes in carbon partitioning of coffee trees under e[CO2]. Increased air [CO2] stimulated stomatal conductance and leaf photosynthesis at the middle and upper canopy layers, increasing water-use efficiency. Under e[CO2], plants showed reduced diameter of the second-order axes and higher investment in the youngest third to fifth-order axes. Conclusions: The responses of Arabica coffee grown under long-term exposure to e[CO2] integrated structural and functional modifications, which balanced leaf area loss through improvements in leaf and whole-plant photosynthesis. MenosBackground and Aims: Climate forecasts suggest that [CO2] in the atmosphere will continue to increase. Structural and ecophysiological responses to elevated air [CO2] (e[CO2]) in tree species are contradictory due to species-dependent responses and relatively short-term experiments. It was hypothesized that long-term exposure (4 year) to e[CO2] would change canopy structure and function of Coffea arabica trees. Methods: Coffee plants were grown in a FACE (free air CO2 enrichment) facility under two air [CO2]: actual and elevated (actual + approx. 200 ?L CO2 L-1). Plants were codified following the VPlants methodology to obtain coffee mock-ups. Plant canopies were separated into three 50 cm thick layers over a vertical profile to evaluate their structure and photosynthesis, using functional-structural plant modelling. Key Results: Leaf area was strongly reduced on the bottom and upper canopy layers, and increased soil carbon concentration suggested changes in carbon partitioning of coffee trees under e[CO2]. Increased air [CO2] stimulated stomatal conductance and leaf photosynthesis at the middle and upper canopy layers, increasing water-use efficiency. Under e[CO2], plants showed reduced diameter of the second-order axes and higher investment in the youngest third to fifth-order axes. Conclusions: The responses of Arabica coffee grown under long-term exposure to e[CO2] integrated structural and functional modifications, which balanced leaf area loss through improvements in l... Mostrar Tudo |
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Thesagro: |
Área Foliar; Café; Dióxido de Carbono. |
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Thesaurus Nal: |
Carbon dioxide enrichment; Climate change; Coffea; Leaf area; Plant architecture; Stomatal conductance; Transpiration. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02423naa a2200301 a 4500
001 2106099
005 2019-02-19
008 2018 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1093/aob/mcy011$2DOI
100 1 $aRAKOCEVIC, M.
245 $aStructural and functional changes in coffee trees after 4 years under free air CO2 enrichment.$h[electronic resource]
260 $c2018
520 $aBackground and Aims: Climate forecasts suggest that [CO2] in the atmosphere will continue to increase. Structural and ecophysiological responses to elevated air [CO2] (e[CO2]) in tree species are contradictory due to species-dependent responses and relatively short-term experiments. It was hypothesized that long-term exposure (4 year) to e[CO2] would change canopy structure and function of Coffea arabica trees. Methods: Coffee plants were grown in a FACE (free air CO2 enrichment) facility under two air [CO2]: actual and elevated (actual + approx. 200 ?L CO2 L-1). Plants were codified following the VPlants methodology to obtain coffee mock-ups. Plant canopies were separated into three 50 cm thick layers over a vertical profile to evaluate their structure and photosynthesis, using functional-structural plant modelling. Key Results: Leaf area was strongly reduced on the bottom and upper canopy layers, and increased soil carbon concentration suggested changes in carbon partitioning of coffee trees under e[CO2]. Increased air [CO2] stimulated stomatal conductance and leaf photosynthesis at the middle and upper canopy layers, increasing water-use efficiency. Under e[CO2], plants showed reduced diameter of the second-order axes and higher investment in the youngest third to fifth-order axes. Conclusions: The responses of Arabica coffee grown under long-term exposure to e[CO2] integrated structural and functional modifications, which balanced leaf area loss through improvements in leaf and whole-plant photosynthesis.
650 $aCarbon dioxide enrichment
650 $aClimate change
650 $aCoffea
650 $aLeaf area
650 $aPlant architecture
650 $aStomatal conductance
650 $aTranspiration
650 $aÁrea Foliar
650 $aCafé
650 $aDióxido de Carbono
700 1 $aRIBEIRO, R. V.
700 1 $aMARCHIORI, P. E. R.
700 1 $aFILIZOLA, H. F.
700 1 $aBATISTA, E. R.
773 $tAnnals of Botany$gv. 121, n. 5, p. 1065-1078, 2018.
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Embrapa Meio Ambiente (CNPMA) |
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| Registros recuperados : 6 | |
| 2. |  | SILVA, L. da; MARCHIORI, P. E. R.; MACIEL, C. P.; MACHADO, E. C.; RIBEIRO, R. V. Fotossíntese, relações hídricas e crescimento de cafeeiros jovens em relação à disponibilidade de fósforo. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 45, n. 9, p. 965-972, set. 2010 Título em inglês: Photosynthesis, water relations and growth of young coffee plants according to phosphorus availability.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 3. | | SOUZA, M. A.; SIMOES, W. L.; MARCHIORI, P. E. R.; MESQUITA, A. C.; FERREIRA, P. P. B. Gas exchange in mango cv. Palmer under different doses of Paclobutrazol for floral induction. In: BRAZILIAN CONGRESS OF PLANT PHYSIOLOGY, 16., 2017, São Pedro, SP. Abstract book... São Pedro, SP: SBFV, 2017. p. 35.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
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| 4. | | MACHADO, D. F. S. P.; LAGÔA, A. M. M. A.; RIBEIRO, R. V.; MARCHIORI, P. E. R.; MACHADO, R. S.; MACHADO, E. C. Baixa temperatura noturna e deficiência hídrica na fotossíntese de cana-de-açúcar. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 48, n. 5, p. 487-495, maio 2013. Título em inglês: Low night temperature and water deficit on photosynthesis of sugarcane.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 5. | | MACHADO, R. S.; RIBEIRO, R. V.; MARCHIORI, P. E. R.; MACHADO, D. F. S. P.; MACHADO, E. C.; LANDELL, M. G. de A. Respostas biométricas e fisiológicas ao deficit hídrico em cana-de-açúcar em diferentes fases fenológicas. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 44, n. 12, p. 1575-1582, dez. 2009 Título em inglês: Biometric and physiological responses to water defi cit in sugarcane at different phenological stages.| Biblioteca(s): Embrapa Unidades Centrais. |
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| Registros recuperados : 6 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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