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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Ocidental; Embrapa Pesca e Aquicultura; Embrapa Solos. |
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Data corrente: |
28/10/2020 |
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Data da última atualização: |
12/01/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MORAIS, R. R. de; TEIXEIRA, W. G.; ROCHA, R. N. C. da; RODRIGUES, M. do R. L.; DÜNISCH, O. |
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Afiliação: |
RONALDO RIBEIRO DE MORAIS, CPAA; WENCESLAU GERALDES TEIXEIRA, CNPS; RAIMUNDO NONATO CARVALHO DA ROCHA, CNPASA; MARIA DO ROSARIO LOBATO RODRIGUES, CPAA; Oliver Dünisch, Master school in Carpentry. |
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Título: |
Gas exchange of oil palms tress submitted to leaf-temperature modified grown in different plantation systems. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Revista Biodiversidade, v. 19, n. 4, p. 12-22, 2020. |
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Idioma: |
Inglês |
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Conteúdo: |
Studies on the influence of leaf temperature rise on gas exchange in tropical tree species grown in plantations are rare. With regard to the predicted increase in air temperature in the future in the Central Amazon, we investigated the influence of increasing leave temperature on the gas exchange of oil palms cultivated in monocultures as well as in mixed plantations with cassava or banana. This study was carried out at the Embrapa Experimental Station in Presidente Figueiredo - AM - Brazil, 60 km north of Manaus. The net photosynthesis (Pn), transpiration (E), stomatal conductance (gs) and the water use efficiency (WUE) of the plants were quantified by a portable photosynthesis meter (CI-340). In all plantations increasing leaf temperatures caused a significant decrease of the net photosynthesis (Pn), stomatal conductance (gs), and the water use efficiency (WUE) of the oil palms. Maximum transpiration rates (E) were observed at leaf temperatures between 38 and 46°C. In addition to the influence of leaf temperature rise, the planting system also had a significant influence on the gas exchange of palm plants. |
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Palavras-Chave: |
Agrofloresta; Agroforestry system; Assimilação de CO2. |
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Thesagro: |
Dendê; Elaeis Guineensis; Espécie; Temperatura. |
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Thesaurus Nal: |
Agroforestry; Assimilation (physiology); Elaeis. |
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Categoria do assunto: |
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F Plantas e Produtos de Origem Vegetal
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/217191/1/11307-Texto-do-Artigo-43283-1-10-20201017.pdf
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Marc: |
LEADER 01978naa a2200289 a 4500
001 2126005
005 2021-01-12
008 2020 bl uuuu u00u1 u #d
100 1 $aMORAIS, R. R. de
245 $aGas exchange of oil palms tress submitted to leaf-temperature modified grown in different plantation systems.$h[electronic resource]
260 $c2020
520 $aStudies on the influence of leaf temperature rise on gas exchange in tropical tree species grown in plantations are rare. With regard to the predicted increase in air temperature in the future in the Central Amazon, we investigated the influence of increasing leave temperature on the gas exchange of oil palms cultivated in monocultures as well as in mixed plantations with cassava or banana. This study was carried out at the Embrapa Experimental Station in Presidente Figueiredo - AM - Brazil, 60 km north of Manaus. The net photosynthesis (Pn), transpiration (E), stomatal conductance (gs) and the water use efficiency (WUE) of the plants were quantified by a portable photosynthesis meter (CI-340). In all plantations increasing leaf temperatures caused a significant decrease of the net photosynthesis (Pn), stomatal conductance (gs), and the water use efficiency (WUE) of the oil palms. Maximum transpiration rates (E) were observed at leaf temperatures between 38 and 46°C. In addition to the influence of leaf temperature rise, the planting system also had a significant influence on the gas exchange of palm plants.
650 $aAgroforestry
650 $aAssimilation (physiology)
650 $aElaeis
650 $aDendê
650 $aElaeis Guineensis
650 $aEspécie
650 $aTemperatura
653 $aAgrofloresta
653 $aAgroforestry system
653 $aAssimilação de CO2
700 1 $aTEIXEIRA, W. G.
700 1 $aROCHA, R. N. C. da
700 1 $aRODRIGUES, M. do R. L.
700 1 $aDÜNISCH, O.
773 $tRevista Biodiversidade$gv. 19, n. 4, p. 12-22, 2020.
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Embrapa Amazônia Ocidental (CPAA) |
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