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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
14/02/2017 |
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Data da última atualização: |
14/02/2017 |
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Autoria: |
TEIXEIRA, A. H. de C.; LEIVAS, J. F.; SILVA, G. B. S. da. |
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Afiliação: |
ANTONIO HERIBERTO DE C TEIXEIRA, CNPM; JANICE FREITAS LEIVAS, CNPM; GUSTAVO BAYMA SIQUEIRA DA SILVA, CNPM. |
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Título: |
Evapotranspiração e produção de biomassa quantificadas com imagens Landsat 8 no perímetro irrigado Nilo Coelho parte A: |
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Complemento do título: |
variações espaciais. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
In: SEMINÁRIO DA REDE AGROHIDRO, 4., 2016, Brasília, DF. Água e agricultura: incertezas e desafios para a sustentabilidade frente às mudanças do clima e do uso da terra: anais. Brasília, DF: Embrapa, 2016. |
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Páginas: |
p. 260-274. |
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Idioma: |
Português |
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Conteúdo: |
Onze imagens Landsat 8, sendo três para 2014 e oito para 2015, e dados agrometeorológicos foram usados na modelagem da evapotranspiração (ET) e da produção de biomassa (BIO) em larga escala através da aplicação conjunta do algoritmo Simple Algorithm for Evapotranspiration Retrieving (SAFER) e do modelo da interceptação da radiação de Monteith, no Perímetro Irrigado Nilo Coelho, em Petrolina, PE. A inclusão das imagens do ano de 2014 foi devido à ausência de imagens sem nuvens durante o período chuvoso de 2015. As maiores taxas para ambos, ET e BIO, bem como as mais elevadas variações espaciais ocorreram em janeiro, dentro da estação chuvosa, sendo as médias respectivas de 3,6 ± 2,1 mm dia-1 e 112 ± 92 kg ha-1 dia-1. Os valores mais baixos correspondentes foram de 1,4 ± 1,7 mm dia-1 e 34 ± 53 kg ha-1 dia-1, nas condições mais secas atípicas do mês de dezembro de 2015. |
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Palavras-Chave: |
Atmospheric demand; Demanda atmosférica; Produtividade da água; Water productivity. |
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Thesagro: |
Recurso hídrico. |
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Thesaurus Nal: |
Water resources. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 01803naa a2200229 a 4500
001 2064007
005 2017-02-14
008 2016 bl uuuu u00u1 u #d
100 1 $aTEIXEIRA, A. H. de C.
245 $aEvapotranspiração e produção de biomassa quantificadas com imagens Landsat 8 no perímetro irrigado Nilo Coelho parte A$h[electronic resource]
260 $c2016
300 $ap. 260-274.
520 $aOnze imagens Landsat 8, sendo três para 2014 e oito para 2015, e dados agrometeorológicos foram usados na modelagem da evapotranspiração (ET) e da produção de biomassa (BIO) em larga escala através da aplicação conjunta do algoritmo Simple Algorithm for Evapotranspiration Retrieving (SAFER) e do modelo da interceptação da radiação de Monteith, no Perímetro Irrigado Nilo Coelho, em Petrolina, PE. A inclusão das imagens do ano de 2014 foi devido à ausência de imagens sem nuvens durante o período chuvoso de 2015. As maiores taxas para ambos, ET e BIO, bem como as mais elevadas variações espaciais ocorreram em janeiro, dentro da estação chuvosa, sendo as médias respectivas de 3,6 ± 2,1 mm dia-1 e 112 ± 92 kg ha-1 dia-1. Os valores mais baixos correspondentes foram de 1,4 ± 1,7 mm dia-1 e 34 ± 53 kg ha-1 dia-1, nas condições mais secas atípicas do mês de dezembro de 2015.
650 $aWater resources
650 $aRecurso hídrico
653 $aAtmospheric demand
653 $aDemanda atmosférica
653 $aProdutividade da água
653 $aWater productivity
700 1 $aLEIVAS, J. F.
700 1 $aSILVA, G. B. S. da
773 $tIn: SEMINÁRIO DA REDE AGROHIDRO, 4., 2016, Brasília, DF. Água e agricultura: incertezas e desafios para a sustentabilidade frente às mudanças do clima e do uso da terra: anais. Brasília, DF: Embrapa, 2016.
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Embrapa Cerrados (CPAC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
10/01/2019 |
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Data da última atualização: |
11/01/2019 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
KAVAMURA, V. N.; CLARK, I.; HIRSCH, P. R.; CAULFIELD, J.; SARRIA, A. F.; ROSSMANN, M.; BIRKETT, M.; MELO, I. S. de; MENDES, R.; MAUCHLINE, T. |
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Afiliação: |
Vanessa Nessner Kavamura, Rothamsted Research, United Kingdom; Ian Clark, Rothamsted Research, United Kingdom; Penny Hirsch, Rothamsted Research, United Kingdom; John Caulfield, Rothamsted Research, United Kingdom; André Lúcio Franceschini Sarria, Rothamsted Research, United Kingdom; Maike Rossmann; Mike Birkett, Rothamsted Research, United Kingdom; ITAMAR SOARES DE MELO, CNPMA; RODRIGO MENDES, CNPMA; Tim Mauchline, Rothamsted Research, United Kingdom. |
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Título: |
Wheat breeding influences root traits and selection of bacterial communities in the rhizosphere. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
In: PLANT MICROBIOME SYMPOSIUM, 2., 2018, Amsterdam. [Abstracts...] Amsterdam: Netherlands Institute of Ecology (NIOO-KNAW), 2018. |
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Idioma: |
Português |
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Conteúdo: |
During the Green Revolution, wheat breeding developed high-yielding plants with dwarfing genes. This selection led to structural changes in wheat, which could have consequences for the associated microbial communities, however, to date, little is known about these. The main goal of this work was to study rhizosphere bacterial communities from eight hexaploid wheat cultivars grown under field conditions ranging in chronology from Chidham White Chaff, a tall cultivar from 1790, to Crusoe, a semi dwarf cultivar from 2012. Plants were harvested, DNA from rhizosphere soil was extracted and 16S rRNA gene subjected to Illumina amplicon sequencing. Root architecture information and exudate profiles were obtained. The breeding process appears to have influenced some root traits, especially root diameter and specific root length (SRL). A PCoA plot indicates rhizosphere bacterial communities from tall cultivars are distinct from those associated with semi dwarf cultivars and in general, tall plants show lower diversity and number of observed OTUs than semi dwarf plants. Some OTUs were found to be differentially abundant in the rhizosphere of tall and semi dwarf cultivars and we hypothesize that these differences might have some relation to differential root exudation. These data help in the development of agricultural models and we believe future plant breeding programs should include the selection of specific root traits and exudates that would affect the recruitment of a beneficial root microbiome. These could have positive impacts on plant health with increases in productivity in a sustainable way. MenosDuring the Green Revolution, wheat breeding developed high-yielding plants with dwarfing genes. This selection led to structural changes in wheat, which could have consequences for the associated microbial communities, however, to date, little is known about these. The main goal of this work was to study rhizosphere bacterial communities from eight hexaploid wheat cultivars grown under field conditions ranging in chronology from Chidham White Chaff, a tall cultivar from 1790, to Crusoe, a semi dwarf cultivar from 2012. Plants were harvested, DNA from rhizosphere soil was extracted and 16S rRNA gene subjected to Illumina amplicon sequencing. Root architecture information and exudate profiles were obtained. The breeding process appears to have influenced some root traits, especially root diameter and specific root length (SRL). A PCoA plot indicates rhizosphere bacterial communities from tall cultivars are distinct from those associated with semi dwarf cultivars and in general, tall plants show lower diversity and number of observed OTUs than semi dwarf plants. Some OTUs were found to be differentially abundant in the rhizosphere of tall and semi dwarf cultivars and we hypothesize that these differences might have some relation to differential root exudation. These data help in the development of agricultural models and we believe future plant breeding programs should include the selection of specific root traits and exudates that would affect the recruitment of a beneficial r... Mostrar Tudo |
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Thesaurus NAL: |
Rhizosphere; Roots; Wheat. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/190206/1/RA-MeloIS-et-al-2nd-PMS-2018-Wheat...rhizosphere.pdf
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Marc: |
LEADER 02403nam a2200253 a 4500
001 2103550
005 2019-01-11
008 2018 bl uuuu u00u1 u #d
100 1 $aKAVAMURA, V. N.
245 $aWheat breeding influences root traits and selection of bacterial communities in the rhizosphere.$h[electronic resource]
260 $aIn: PLANT MICROBIOME SYMPOSIUM, 2., 2018, Amsterdam. [Abstracts...] Amsterdam: Netherlands Institute of Ecology (NIOO-KNAW)$c2018
520 $aDuring the Green Revolution, wheat breeding developed high-yielding plants with dwarfing genes. This selection led to structural changes in wheat, which could have consequences for the associated microbial communities, however, to date, little is known about these. The main goal of this work was to study rhizosphere bacterial communities from eight hexaploid wheat cultivars grown under field conditions ranging in chronology from Chidham White Chaff, a tall cultivar from 1790, to Crusoe, a semi dwarf cultivar from 2012. Plants were harvested, DNA from rhizosphere soil was extracted and 16S rRNA gene subjected to Illumina amplicon sequencing. Root architecture information and exudate profiles were obtained. The breeding process appears to have influenced some root traits, especially root diameter and specific root length (SRL). A PCoA plot indicates rhizosphere bacterial communities from tall cultivars are distinct from those associated with semi dwarf cultivars and in general, tall plants show lower diversity and number of observed OTUs than semi dwarf plants. Some OTUs were found to be differentially abundant in the rhizosphere of tall and semi dwarf cultivars and we hypothesize that these differences might have some relation to differential root exudation. These data help in the development of agricultural models and we believe future plant breeding programs should include the selection of specific root traits and exudates that would affect the recruitment of a beneficial root microbiome. These could have positive impacts on plant health with increases in productivity in a sustainable way.
650 $aRhizosphere
650 $aRoots
650 $aWheat
700 1 $aCLARK, I.
700 1 $aHIRSCH, P. R.
700 1 $aCAULFIELD, J.
700 1 $aSARRIA, A. F.
700 1 $aROSSMANN, M.
700 1 $aBIRKETT, M.
700 1 $aMELO, I. S. de
700 1 $aMENDES, R.
700 1 $aMAUCHLINE, T.
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Embrapa Meio Ambiente (CNPMA) |
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