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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. |
Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
28/07/2020 |
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Data da última atualização: |
28/07/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
RAKOCEVIC, M.; MALAGODI-BRAGA, K. S.; BATISTA, E. R.; MAIA, A. de H. N.; SCHOLZ, M. B. S.; FILIZOLA, H. F. |
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Afiliação: |
MIROSLAVA RAKOCEVIC, IB-UNICAMP; KATIA SAMPAIO MALAGOLI BRAGA, CNPMA; EUNICE REIS BATISTA, CNPMA; ALINE DE HOLANDA NUNES MAIA, CNPMA; MARIA BRÍGIDA SANTOS SCHOLZ, IAPAR; HELOISA FERREIRA FILIZOLA, CNPMA. |
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Título: |
The vegetative growth assists to reproductive responses of Arabic coffee trees in a long-term FACE experiment. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Plant Growth Regulation, v. 91, n. 2, p. 305?316, 2020. |
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DOI: |
https://doi.org/10.1007/s10725-020-00607-2 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: In simulation studies of Arabic coffee plants under the future CO2 conditions, no data about flowering, yield fractions or beverage sensorial have been reported. It was hypothesized that elevated CO2 (e[CO2]) would improve the leaf-gas exchange responses, assisting in improvement of coffee reproduction. The aim was to estimate leaf-gas exchange dynamics, flowering, fruiting intensity and quality in Coffea arabica grown in long-term FACE experiment under rainfed conditions. Leaf-gas exchanges were followed for five years during vegetative and reproductive stages; flowering was observed at second order axis scale for 4 years; berry production, its fractions and beverage sensorial were estimated at plot scale in the 4th production year under FACE. Young coffee plants did not modify leaf-gas exchange responses under e[CO2] in observed periods, while the adult ones increased leaf-photosynthesis in all observed stages. Stomatal conductance and water use efficiency were higher under e[CO2] than actual [CO2] in some stages of flowering, berry expansion and ripping, benefited from higher water content over the soil profile in advanced years of FACE. Elevated CO2 mitigated the effects of anomalous drought and high temperatures in rainy season, reducing the abnormal reproductive structures rate. Under e[CO2], the intense leaf-photosynthesis did not improve the yield or sensorial beverage quality in 4th production year, but a fraction of green berries, indicating flowering delay or prolongated ripening. The e[CO2] supported species survival during short intensive drought through high carbon investments in reproduction, while long/anomalous droughts reduced the fraction of flower abnormalities, indicating carbon investments in individual plant survival. MenosAbstract: In simulation studies of Arabic coffee plants under the future CO2 conditions, no data about flowering, yield fractions or beverage sensorial have been reported. It was hypothesized that elevated CO2 (e[CO2]) would improve the leaf-gas exchange responses, assisting in improvement of coffee reproduction. The aim was to estimate leaf-gas exchange dynamics, flowering, fruiting intensity and quality in Coffea arabica grown in long-term FACE experiment under rainfed conditions. Leaf-gas exchanges were followed for five years during vegetative and reproductive stages; flowering was observed at second order axis scale for 4 years; berry production, its fractions and beverage sensorial were estimated at plot scale in the 4th production year under FACE. Young coffee plants did not modify leaf-gas exchange responses under e[CO2] in observed periods, while the adult ones increased leaf-photosynthesis in all observed stages. Stomatal conductance and water use efficiency were higher under e[CO2] than actual [CO2] in some stages of flowering, berry expansion and ripping, benefited from higher water content over the soil profile in advanced years of FACE. Elevated CO2 mitigated the effects of anomalous drought and high temperatures in rainy season, reducing the abnormal reproductive structures rate. Under e[CO2], the intense leaf-photosynthesis did not improve the yield or sensorial beverage quality in 4th production year, but a fraction of green berries, indicating flowering del... Mostrar Tudo |
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Palavras-Chave: |
Drought elevated CO2; Sensorial attributes. |
|
Thesagro: |
Café; Clima; Dióxido de Carbono; Fotossíntese; Mudança Climática; Seca. |
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Thesaurus NAL: |
Carbon dioxide enrichment; Climate change; Coffee (beverage); Flowering; Photosynthesis; Sensory properties. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
|
Marc: |
LEADER 02864naa a2200361 a 4500
001 2124063
005 2020-07-28
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s10725-020-00607-2$2DOI
100 1 $aRAKOCEVIC, M.
245 $aThe vegetative growth assists to reproductive responses of Arabic coffee trees in a long-term FACE experiment.$h[electronic resource]
260 $c2020
520 $aAbstract: In simulation studies of Arabic coffee plants under the future CO2 conditions, no data about flowering, yield fractions or beverage sensorial have been reported. It was hypothesized that elevated CO2 (e[CO2]) would improve the leaf-gas exchange responses, assisting in improvement of coffee reproduction. The aim was to estimate leaf-gas exchange dynamics, flowering, fruiting intensity and quality in Coffea arabica grown in long-term FACE experiment under rainfed conditions. Leaf-gas exchanges were followed for five years during vegetative and reproductive stages; flowering was observed at second order axis scale for 4 years; berry production, its fractions and beverage sensorial were estimated at plot scale in the 4th production year under FACE. Young coffee plants did not modify leaf-gas exchange responses under e[CO2] in observed periods, while the adult ones increased leaf-photosynthesis in all observed stages. Stomatal conductance and water use efficiency were higher under e[CO2] than actual [CO2] in some stages of flowering, berry expansion and ripping, benefited from higher water content over the soil profile in advanced years of FACE. Elevated CO2 mitigated the effects of anomalous drought and high temperatures in rainy season, reducing the abnormal reproductive structures rate. Under e[CO2], the intense leaf-photosynthesis did not improve the yield or sensorial beverage quality in 4th production year, but a fraction of green berries, indicating flowering delay or prolongated ripening. The e[CO2] supported species survival during short intensive drought through high carbon investments in reproduction, while long/anomalous droughts reduced the fraction of flower abnormalities, indicating carbon investments in individual plant survival.
650 $aCarbon dioxide enrichment
650 $aClimate change
650 $aCoffee (beverage)
650 $aFlowering
650 $aPhotosynthesis
650 $aSensory properties
650 $aCafé
650 $aClima
650 $aDióxido de Carbono
650 $aFotossíntese
650 $aMudança Climática
650 $aSeca
653 $aDrought elevated CO2
653 $aSensorial attributes
700 1 $aMALAGODI-BRAGA, K. S.
700 1 $aBATISTA, E. R.
700 1 $aMAIA, A. de H. N.
700 1 $aSCHOLZ, M. B. S.
700 1 $aFILIZOLA, H. F.
773 $tPlant Growth Regulation$gv. 91, n. 2, p. 305?316, 2020.
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