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Registro Completo |
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
18/02/2010 |
Data da última atualização: |
06/05/2010 |
Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
Autoria: |
DEL PELOSO, M. J.; MELO, L. C.; PEREIRA, H. S.; FARIA, L. C. de; COSTA, J. G. C. da; CABRERA DIAZ, J. L. |
Afiliação: |
MARIA JOSE DEL PELOSO, CNPAF; LEONARDO CUNHA MELO, CNPAF; HELTON SANTOS PEREIRA, CNPAF; LUIS CLAUDIO DE FARIA, CNPAF; JOAQUIM GERALDO CAPRIO DA COSTA, CNPAF; JOSE LUIS CABRERA DIAZ, CNPAF. |
Título: |
Novas opções de cultivares de feijoeiro comum desenvolvidas pela Embrapa. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
In: KLUTHCOUSKI, J.; STONE, L. F.; AIDAR, H. (Ed.). Fundamentos para uma agricultura sustentável, com ênfase na cultura do feijoeiro. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2009. |
Páginas: |
p. 65-80. |
ISBN: |
978-85-7437-033-0 |
Idioma: |
Português |
Conteúdo: |
Cultivares de feijoeiro comum desenvolvidas pela Embrapa a partir do ano de 2000. Cultivares com grãos tipo preto. Cultivares com grãos tipo carioca. Cultivares com outros tipos de grãos. |
Thesagro: |
Feijão; Phaseolus vulgaris; Variedade. |
Categoria do assunto: |
G Melhoramento Genético |
Marc: |
LEADER 00992naa a2200241 a 4500 001 1658103 005 2010-05-06 008 2009 bl uuuu u00u1 u #d 020 $a978-85-7437-033-0 100 1 $aDEL PELOSO, M. J. 245 $aNovas opções de cultivares de feijoeiro comum desenvolvidas pela Embrapa. 260 $c2009 300 $ap. 65-80. 520 $aCultivares de feijoeiro comum desenvolvidas pela Embrapa a partir do ano de 2000. Cultivares com grãos tipo preto. Cultivares com grãos tipo carioca. Cultivares com outros tipos de grãos. 650 $aFeijão 650 $aPhaseolus vulgaris 650 $aVariedade 700 1 $aMELO, L. C. 700 1 $aPEREIRA, H. S. 700 1 $aFARIA, L. C. de 700 1 $aCOSTA, J. G. C. da 700 1 $aCABRERA DIAZ, J. L. 773 $tIn: KLUTHCOUSKI, J.; STONE, L. F.; AIDAR, H. (Ed.). Fundamentos para uma agricultura sustentável, com ênfase na cultura do feijoeiro. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2009.
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Embrapa Arroz e Feijão (CNPAF) |
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Registro Completo
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
17/11/2020 |
Data da última atualização: |
26/11/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
SMITH, M. N.; TAYLOR, T. C.; HAREN, J. van; ROSOLEM, R.; RESTREPO-COUPE, N.; ADAMS, J.; WU, J.; OLIVEIRA JUNIOR, R. C. de; SILVA, R. da; ARAUJO, A. C. de; CAMARGO, P. B. de; HUXMAN, T. E.; SALESKA, S. R. |
Afiliação: |
Marielle N. Smith, University of Arizona / Michigan State University; Tyeen C. Taylor, University of Arizona / University of Michigan; Joost van Haren, University of Arizona; Rafael Rosolem, University of Bristol; Natalia Restrepo-Coupe, University of Arizona / University of Technology Sydney; John Adams, University of Arizona; Jin Wu, The University of Hong Kong; RAIMUNDO COSME DE OLIVEIRA JUNIOR, CPATU; Rodrigo da Silva, UFOPA; ALESSANDRO CARIOCA DE ARAUJO, CPATU / INPA; Plinio B. de Camargo, CENA/USP; Travis E. Huxman, University of California; Scott R. Saleska, University of Arizona. |
Título: |
Empirical evidence for resilience of tropical forest photosynthesis in a warmer world. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Nature Plants, v. 6, p. 1225-1230, 2020. |
DOI: |
https://doi.org/10.1038/s41477-020-00780-2 |
Idioma: |
Inglês |
Conteúdo: |
Tropical forests may be vulnerable to climate change if photosynthetic carbon uptake currently operates near a high temperature limit. Predicting tropical forest function requires understanding the relative contributions of two mechanisms of high-temperature photosynthetic declines: stomatal limitation (H1), an indirect response due to temperature-associated changes in atmospheric vapour pressure deficit (VPD), and biochemical restrictions (H2), a direct temperature response. Their relative control predicts different outcomes-H1 is expected to diminish with stomatal responses to future co-occurring elevated atmospheric [CO2], whereas H2 portends declining photosynthesis with increasing temperatures. Distinguishing the two mechanisms at high temperatures is therefore critical, but difficult because VPD is highly correlated with temperature in natural settings. We used a forest mesocosm to quantify the sensitivity of tropical gross ecosystem productivity (GEP) to future temperature regimes while constraining VPD by controlling humidity. We then analytically decoupled temperature and VPD effects under current climate with flux-tower-derived GEP trends in situ from four tropical forest sites. Both approaches showed consistent, negative sensitivity of GEP to VPD but little direct response to temperature. Importantly, in the mesocosm at low VPD, GEP persisted up to 38°C, a temperature exceeding projections for tropical forests in 2100 (ref.). If elevated [CO2] mitigates VPD-induced stomatal limitation through enhanced water-use efficiency as hypothesized, tropical forest photosynthesis may have a margin of resilience to future warming. MenosTropical forests may be vulnerable to climate change if photosynthetic carbon uptake currently operates near a high temperature limit. Predicting tropical forest function requires understanding the relative contributions of two mechanisms of high-temperature photosynthetic declines: stomatal limitation (H1), an indirect response due to temperature-associated changes in atmospheric vapour pressure deficit (VPD), and biochemical restrictions (H2), a direct temperature response. Their relative control predicts different outcomes-H1 is expected to diminish with stomatal responses to future co-occurring elevated atmospheric [CO2], whereas H2 portends declining photosynthesis with increasing temperatures. Distinguishing the two mechanisms at high temperatures is therefore critical, but difficult because VPD is highly correlated with temperature in natural settings. We used a forest mesocosm to quantify the sensitivity of tropical gross ecosystem productivity (GEP) to future temperature regimes while constraining VPD by controlling humidity. We then analytically decoupled temperature and VPD effects under current climate with flux-tower-derived GEP trends in situ from four tropical forest sites. Both approaches showed consistent, negative sensitivity of GEP to VPD but little direct response to temperature. Importantly, in the mesocosm at low VPD, GEP persisted up to 38°C, a temperature exceeding projections for tropical forests in 2100 (ref.). If elevated [CO2] mitigates VPD-induce... Mostrar Tudo |
Thesagro: |
Floresta Tropical; Fotossíntese. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
Marc: |
LEADER 02529naa a2200301 a 4500 001 2126677 005 2020-11-26 008 2020 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1038/s41477-020-00780-2$2DOI 100 1 $aSMITH, M. N. 245 $aEmpirical evidence for resilience of tropical forest photosynthesis in a warmer world.$h[electronic resource] 260 $c2020 520 $aTropical forests may be vulnerable to climate change if photosynthetic carbon uptake currently operates near a high temperature limit. Predicting tropical forest function requires understanding the relative contributions of two mechanisms of high-temperature photosynthetic declines: stomatal limitation (H1), an indirect response due to temperature-associated changes in atmospheric vapour pressure deficit (VPD), and biochemical restrictions (H2), a direct temperature response. Their relative control predicts different outcomes-H1 is expected to diminish with stomatal responses to future co-occurring elevated atmospheric [CO2], whereas H2 portends declining photosynthesis with increasing temperatures. Distinguishing the two mechanisms at high temperatures is therefore critical, but difficult because VPD is highly correlated with temperature in natural settings. We used a forest mesocosm to quantify the sensitivity of tropical gross ecosystem productivity (GEP) to future temperature regimes while constraining VPD by controlling humidity. We then analytically decoupled temperature and VPD effects under current climate with flux-tower-derived GEP trends in situ from four tropical forest sites. Both approaches showed consistent, negative sensitivity of GEP to VPD but little direct response to temperature. Importantly, in the mesocosm at low VPD, GEP persisted up to 38°C, a temperature exceeding projections for tropical forests in 2100 (ref.). If elevated [CO2] mitigates VPD-induced stomatal limitation through enhanced water-use efficiency as hypothesized, tropical forest photosynthesis may have a margin of resilience to future warming. 650 $aFloresta Tropical 650 $aFotossíntese 700 1 $aTAYLOR, T. C. 700 1 $aHAREN, J. van 700 1 $aROSOLEM, R. 700 1 $aRESTREPO-COUPE, N. 700 1 $aADAMS, J. 700 1 $aWU, J. 700 1 $aOLIVEIRA JUNIOR, R. C. de 700 1 $aSILVA, R. da 700 1 $aARAUJO, A. C. de 700 1 $aCAMARGO, P. B. de 700 1 $aHUXMAN, T. E. 700 1 $aSALESKA, S. R. 773 $tNature Plants$gv. 6, p. 1225-1230, 2020.
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