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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 Florestas; Embrapa Meio Ambiente. |
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Data corrente: |
14/11/2017 |
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Data da última atualização: |
10/08/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SIMIONI, F. J.; BUSCHINELLI, C. C. de A.; MOREIRA, J. M. M. A. P.; PASSOS, B. M. dos; GIROTTO, S. B. F. T. |
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Afiliação: |
FLAVIO JOSE SIMIONI, UDESC; CLAUDIO CESAR DE A BUSCHINELLI, CNPMA; JOSE MAURO M AVILA PAZ MOREIRA, CNPF; BRUNA MARIA DOS PASSOS, Biovita Consultoria Ambiental; SANDY BERNARDI FALCADI TEDESCO GIROTTO, UDESC. |
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Título: |
Forest biomass chain of production: challenges of small-scale forest production in southern Brazil. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Journal of Cleaner Production, v. 174, p. 889-898, 2018. |
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DOI: |
https://doi.org/10.1016/j.jclepro.2017.10.330 |
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Idioma: |
Inglês |
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Conteúdo: |
Renewable resources have substantial participation in the energy network of Brazil. With regard to forest biomass, efforts are being made to increase the participation of firewood from cultivated groves to replace wood from native forests. The aim of the present study was to characterize the chain of production of firewood from cultivated eucalyptus in the region of Santa Cruz do Sul in southern Brazil, focusing on an analysis of the challenges of small-scale firewood production for energy needs and energy self-sufficiency on rural family farms. The research strategy involved data collection through visits and interviews performed in two phases (October 2014 and June 2015) with a sample of 36 agents who represent different segments of the chain of production. A board of forestry experts was united in 2016 for the validation of the data. The results indicated that farmers produce eucalyptus wood to meet their energy demands with low production costs. The main challenges for energy self-sufficiency are related to the scarcity of capital and labor. This study offers important information that can assist in the establishment of public policies and actions to promote the sustainable use of eucalyptus groves to provide energy to small-scale farming operations. |
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Palavras-Chave: |
Energy self-sufficiency; Forest costs. |
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Thesagro: |
Agricultura familiar; Energia; Eucalipto; Floresta; Lenha. |
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Thesaurus Nal: |
Eucalyptus; Family farms; Forest policy; Fuelwood; Small farms. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02238naa a2200325 a 4500
001 2079704
005 2022-08-10
008 2018 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.jclepro.2017.10.330$2DOI
100 1 $aSIMIONI, F. J.
245 $aForest biomass chain of production$bchallenges of small-scale forest production in southern Brazil.$h[electronic resource]
260 $c2018
520 $aRenewable resources have substantial participation in the energy network of Brazil. With regard to forest biomass, efforts are being made to increase the participation of firewood from cultivated groves to replace wood from native forests. The aim of the present study was to characterize the chain of production of firewood from cultivated eucalyptus in the region of Santa Cruz do Sul in southern Brazil, focusing on an analysis of the challenges of small-scale firewood production for energy needs and energy self-sufficiency on rural family farms. The research strategy involved data collection through visits and interviews performed in two phases (October 2014 and June 2015) with a sample of 36 agents who represent different segments of the chain of production. A board of forestry experts was united in 2016 for the validation of the data. The results indicated that farmers produce eucalyptus wood to meet their energy demands with low production costs. The main challenges for energy self-sufficiency are related to the scarcity of capital and labor. This study offers important information that can assist in the establishment of public policies and actions to promote the sustainable use of eucalyptus groves to provide energy to small-scale farming operations.
650 $aEucalyptus
650 $aFamily farms
650 $aForest policy
650 $aFuelwood
650 $aSmall farms
650 $aAgricultura familiar
650 $aEnergia
650 $aEucalipto
650 $aFloresta
650 $aLenha
653 $aEnergy self-sufficiency
653 $aForest costs
700 1 $aBUSCHINELLI, C. C. de A.
700 1 $aMOREIRA, J. M. M. A. P.
700 1 $aPASSOS, B. M. dos
700 1 $aGIROTTO, S. B. F. T.
773 $tJournal of Cleaner Production$gv. 174, p. 889-898, 2018.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Agroenergia; Embrapa Meio-Norte; Embrapa Unidades Centrais. |
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Data corrente: |
24/08/2022 |
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Data da última atualização: |
24/08/2022 |
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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: |
CARVALHO, C. G. I.; SANTOS, M. de L.; VIEIRA, L. R.; LOPES, A. M.; CARMONA, P. A. O.; SOUSA, C. A. F. de; SOUZA JUNIOR, M. T. |
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Afiliação: |
CALIL GIBRAN IRAIORE CARVALHO, Universidade Federal de Lavras; MARIANA DE LIMA SANTOS, Universidade Federal de Lavras; LETÍCIA RIOS VIEIRA, Universidade Federal de Lavras; AMANDA MOREIRA LOPES, CNPAE; PAULA ANDREA OSORIO CARMONA, CNPAE; CARLOS ANTONIO FERREIRA DE SOUSA, CPAMN; MANOEL TEIXEIRA SOUZA JUNIOR, CNPAE. |
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Título: |
Morphophysiological responses of Setaria viridis to cold stress. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, v.57, e02424, 2022. |
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DOI: |
DOI: https://doi. org/10.1590/S1678-3921.pab2022.v57.02424 |
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Idioma: |
Inglês |
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Notas: |
Título em português: Respostas morfofisiológicas de Setaria viridis ao estresse por frio. |
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Conteúdo: |
ABSTRACT - The objective of this work was to determine the suitability of Setaria viridis as a model plant in studies to validate candidate genes for cold tolerance by evaluating the response of two of its accessions to different durations of abrupt or gradual cold stress in the vegetative and reproductive stages. Plants of accessions A10.1 and Ast-1, cultivated at 25°C, were subjected to the following cold stress treatments: gradual reduction in temperature from 25 to 0°C, 5°C at a time, every 24 hours in a same chamber; or abrupt reduction in temperature, by transferring plants from a chamber at 25°C to another at 0°C. Plants were kept at 0°C for 3, 5, or 10 days, after which temperature was increased back again to 25°C; a control group remained at 25ºC. Low temperatures ? reduced abruptly or gradually ? caused a decrease in the gas exchange rates and shoot and root biomass of the plants, besides damage to their photochemical apparatus; the longer the cold lasted, the more pronounced the effect was. Regardless of stress duration, plants recovered and completed their life cycle. The studied accessions are tolerant to cold and, therefore, are not suitable as a model plant in studies to validate candidate genes for cold tolerance. RESUMO - O objetivo deste trabalho foi determinar a adequação de Setaria viridis como planta modelo em estudos de validação de genes candidatos à tolerância ao frio, ao avaliar a resposta de dois de seus acessos a diferentes durações de estresse por frio abrupto ou gradual, nas fases vegetativa e
reprodutiva. Plantas dos acessos A10.1 e Ast-1, cultivadas a 25°C, foram submetidas aos seguintes tratamentos de estresse por frio: redução gradual da temperatura de 25 a 0°C, 5°C de cada vez, a cada 24 horas, em única câmera; ou redução abrupta da temperatura, pela transferência das plantas de uma câmera a 25°C para outra a 0°C. As plantas foram mantidas a 0°C por 3, 5, ou 10 dias, após os quais a temperatura foi aumentada novamente para 25°C; um grupo controle permaneceu a 25ºC. As baixas temperaturas ? reduzidas gradual ou abruptamente ? causaram redução nas taxas de troca gasosa e na biomassa da parte aérea e da raiz das plantas, além de prejuízos ao seu aparato fotoquímico; quanto mais o frio durou, mais pronunciado o efeito foi. Independentemente da duração do estresse, as plantas se recuperaram e completaram seu ciclo de vida. Os acessos estudados são tolerantes ao frio, e, portanto, não são adequados como planta modelo em estudos para validação de genes candidatos de tolerância ao frio. MenosABSTRACT - The objective of this work was to determine the suitability of Setaria viridis as a model plant in studies to validate candidate genes for cold tolerance by evaluating the response of two of its accessions to different durations of abrupt or gradual cold stress in the vegetative and reproductive stages. Plants of accessions A10.1 and Ast-1, cultivated at 25°C, were subjected to the following cold stress treatments: gradual reduction in temperature from 25 to 0°C, 5°C at a time, every 24 hours in a same chamber; or abrupt reduction in temperature, by transferring plants from a chamber at 25°C to another at 0°C. Plants were kept at 0°C for 3, 5, or 10 days, after which temperature was increased back again to 25°C; a control group remained at 25ºC. Low temperatures ? reduced abruptly or gradually ? caused a decrease in the gas exchange rates and shoot and root biomass of the plants, besides damage to their photochemical apparatus; the longer the cold lasted, the more pronounced the effect was. Regardless of stress duration, plants recovered and completed their life cycle. The studied accessions are tolerant to cold and, therefore, are not suitable as a model plant in studies to validate candidate genes for cold tolerance. RESUMO - O objetivo deste trabalho foi determinar a adequação de Setaria viridis como planta modelo em estudos de validação de genes candidatos à tolerância ao frio, ao avaliar a resposta de dois de seus acessos a diferentes durações de estresse por... Mostrar Tudo |
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Palavras-Chave: |
Estresse abiótico; Fluorescência; Troca gasosa. |
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Thesagro: |
Biomassa; Frio; Setária. |
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Thesaurus NAL: |
Abiotic stress; Cold stress; Cold tolerance; Gas exchange; Setaria viridis. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1145723/1/Morphophysiological-responses-setaria-2022.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1145705/1/Morphophysiological-responses-setaria-2022.pdf
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Marc: |
LEADER 03692naa a2200349 a 4500
001 2145723
005 2022-08-24
008 2022 bl uuuu u00u1 u #d
024 7 $aDOI: https://doi. org/10.1590/S1678-3921.pab2022.v57.02424$2DOI
100 1 $aCARVALHO, C. G. I.
245 $aMorphophysiological responses of Setaria viridis to cold stress.$h[electronic resource]
260 $c2022
500 $aTítulo em português: Respostas morfofisiológicas de Setaria viridis ao estresse por frio.
520 $aABSTRACT - The objective of this work was to determine the suitability of Setaria viridis as a model plant in studies to validate candidate genes for cold tolerance by evaluating the response of two of its accessions to different durations of abrupt or gradual cold stress in the vegetative and reproductive stages. Plants of accessions A10.1 and Ast-1, cultivated at 25°C, were subjected to the following cold stress treatments: gradual reduction in temperature from 25 to 0°C, 5°C at a time, every 24 hours in a same chamber; or abrupt reduction in temperature, by transferring plants from a chamber at 25°C to another at 0°C. Plants were kept at 0°C for 3, 5, or 10 days, after which temperature was increased back again to 25°C; a control group remained at 25ºC. Low temperatures ? reduced abruptly or gradually ? caused a decrease in the gas exchange rates and shoot and root biomass of the plants, besides damage to their photochemical apparatus; the longer the cold lasted, the more pronounced the effect was. Regardless of stress duration, plants recovered and completed their life cycle. The studied accessions are tolerant to cold and, therefore, are not suitable as a model plant in studies to validate candidate genes for cold tolerance. RESUMO - O objetivo deste trabalho foi determinar a adequação de Setaria viridis como planta modelo em estudos de validação de genes candidatos à tolerância ao frio, ao avaliar a resposta de dois de seus acessos a diferentes durações de estresse por frio abrupto ou gradual, nas fases vegetativa e reprodutiva. Plantas dos acessos A10.1 e Ast-1, cultivadas a 25°C, foram submetidas aos seguintes tratamentos de estresse por frio: redução gradual da temperatura de 25 a 0°C, 5°C de cada vez, a cada 24 horas, em única câmera; ou redução abrupta da temperatura, pela transferência das plantas de uma câmera a 25°C para outra a 0°C. As plantas foram mantidas a 0°C por 3, 5, ou 10 dias, após os quais a temperatura foi aumentada novamente para 25°C; um grupo controle permaneceu a 25ºC. As baixas temperaturas ? reduzidas gradual ou abruptamente ? causaram redução nas taxas de troca gasosa e na biomassa da parte aérea e da raiz das plantas, além de prejuízos ao seu aparato fotoquímico; quanto mais o frio durou, mais pronunciado o efeito foi. Independentemente da duração do estresse, as plantas se recuperaram e completaram seu ciclo de vida. Os acessos estudados são tolerantes ao frio, e, portanto, não são adequados como planta modelo em estudos para validação de genes candidatos de tolerância ao frio.
650 $aAbiotic stress
650 $aCold stress
650 $aCold tolerance
650 $aGas exchange
650 $aSetaria viridis
650 $aBiomassa
650 $aFrio
650 $aSetária
653 $aEstresse abiótico
653 $aFluorescência
653 $aTroca gasosa
700 1 $aSANTOS, M. de L.
700 1 $aVIEIRA, L. R.
700 1 $aLOPES, A. M.
700 1 $aCARMONA, P. A. O.
700 1 $aSOUSA, C. A. F. de
700 1 $aSOUZA JUNIOR, M. T.
773 $tPesquisa Agropecuária Brasileira, Brasília$gv.57, e02424, 2022.
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