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Registro Completo |
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia; Embrapa Trigo. |
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Data corrente: |
04/03/2008 |
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Data da última atualização: |
14/08/2015 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
NAVIA, D.; MENDONÇA, R. S.; BATISTA, M. F.; TRUOL, G.; PEREIRA, P. R. V. da S.; GUEDES, J. V. C.; CASTIGLIONI, E.; ESPINOZA-MOREL, N. N. |
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Afiliação: |
Paulo Roberto Valle da Silva Pereira, Embrapa Trigo. |
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Título: |
The wheat curl mite. Aceria tosichella Keifer, and associated viruses, wheat streak mosaic virus and high plain virus - the risks posed to cereal crops in South America. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
In: INTERNATIONAL PLANT PROTECTION CONGRESS, 16., 2007, Glasgow, Scotland, UK. Proceedings... Hampshire: The British Crop Production Council, 2007. |
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Páginas: |
p. 612-613. |
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Idioma: |
Inglês |
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Palavras-Chave: |
Aceria tosichella Keifer; América do Sul. |
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Thesagro: |
Trigo; Vírus. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/127953/1/SP-15449.pdf
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Marc: |
LEADER 00899nam a2200241 a 4500
001 1841171
005 2015-08-14
008 2007 bl uuuu u00u1 u #d
100 1 $aNAVIA, D.
245 $aThe wheat curl mite. Aceria tosichella Keifer, and associated viruses, wheat streak mosaic virus and high plain virus - the risks posed to cereal crops in South America.$h[electronic resource]
260 $aIn: INTERNATIONAL PLANT PROTECTION CONGRESS, 16., 2007, Glasgow, Scotland, UK. Proceedings... Hampshire: The British Crop Production Council$c2007
300 $ap. 612-613.
650 $aTrigo
650 $aVírus
653 $aAceria tosichella Keifer
653 $aAmérica do Sul
700 1 $aMENDONÇA, R. S.
700 1 $aBATISTA, M. F.
700 1 $aTRUOL, G.
700 1 $aPEREIRA, P. R. V. da S.
700 1 $aGUEDES, J. V. C.
700 1 $aCASTIGLIONI, E.
700 1 $aESPINOZA-MOREL, N. N.
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Registro original: |
Embrapa Trigo (CNPT) |
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Registro Completo
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Biblioteca(s): |
Embrapa Acre. |
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Data corrente: |
31/08/2020 |
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Data da última atualização: |
28/06/2021 |
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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: |
MENDONÇA, B. A. F. de; SCHAEFER, C. E. G. R.; FERNANDES-FILHO, E. I.; SIMAS, F. N. B.; AMARAL, E. F. do. |
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Afiliação: |
Bruno Araujo Furtado de Mendonça, Universidade Federal Rural do Rio de Janeiro; Carlos Ernesto Gonçalves Reynaud Schaefer, Universidade Federal de Viçosa; Elpídio Inácio Fernandes-Filho, Universidade Federal de Viçosa; Felipe Nogueira Bello Simas, Universidade Federal de Viçosa; EUFRAN FERREIRA DO AMARAL, CPAF-AC. |
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Título: |
Genesis and micropedology of soils at Serra do Divisor and Moa river floodplain, northwestern Acre, Brazilian Amazonia. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Revista Brasileira de Ciência do Solo, v. 44, e0200038, 2020. |
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ISSN: |
0100-0683 (print) / 1806-9657 (online) |
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DOI: |
10.36783/18069657rbcs20200038 |
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Idioma: |
Inglês |
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Conteúdo: |
The northwestern part of the Acre State (Brazil) possesses singular soils in Brazilian Amazonia, but have been very little studied. This study aimed to discuss the genesis and some micropedological aspects of the soils from Serra do Divisor and adjacent floodplain soils of the Moa river, to enhance the knowledge on their formation. A toposequence of soils ranging from the uppermost part of sub-Andean Serra do Divisor to the Alluvial soils of Moa river floodplain was studied, regarding chemical, physical, mineralogical, and micromorphological attributes. The parent material of the Serra do Divisor is basically quartzose sandstone, and the soils along the toposequence were classified as Typic Haplorthods (P1), Spodic Quartzipsamment (P2), Lithic Quartzipsamment (P3), and Lithic Quartzipsamment (P4). Along the Moa river floodplain, we also identified and collected, Typic Udifluvent (P5), Typic Kandiudult (P6), Typic Kandiudalf (P7), and Arenic Plinthic Kandiudult (P8). The Serra do Divisor soils have very low fertility, high acidity, and low cation exchange capacities, presenting a coarse sandy texture, even shallow pedons. The X-ray diffraction analysis of these soils indicates the predominance of kaolinite, with traces of quartz and gibbsite. The shallow mountain Podzols on sandstone have an expressive accumulation of organic material in surface horizons, with evidence of ferrihydrite and imogolite in the subsurface. At the Moa river floodplain, all soils are originated from recent sediments (Cenozoic), which have a geological source upstream. Varying sedimentary layers are key aspects influencing soil genesis. Those soils have evidence of 2:1 clays with hydroxyl-Al interlayers in subsurface horizons. The Serra do Divisor steep landforms and the coarse texture of the soils promote good drainage and favor leaching and chemical impoverishment. Kaolinite and gibbsite were formed by severe leaching and there are evidences of in situ neoformation of gibbsite by extreme Si losses. All studied soils have some peculiarities such as high accumulation of organic material or 2:1 clay minerals. Most investigated soils were affected by colluvial, reworking, mass movements or a strong variation on sedimentation. MenosThe northwestern part of the Acre State (Brazil) possesses singular soils in Brazilian Amazonia, but have been very little studied. This study aimed to discuss the genesis and some micropedological aspects of the soils from Serra do Divisor and adjacent floodplain soils of the Moa river, to enhance the knowledge on their formation. A toposequence of soils ranging from the uppermost part of sub-Andean Serra do Divisor to the Alluvial soils of Moa river floodplain was studied, regarding chemical, physical, mineralogical, and micromorphological attributes. The parent material of the Serra do Divisor is basically quartzose sandstone, and the soils along the toposequence were classified as Typic Haplorthods (P1), Spodic Quartzipsamment (P2), Lithic Quartzipsamment (P3), and Lithic Quartzipsamment (P4). Along the Moa river floodplain, we also identified and collected, Typic Udifluvent (P5), Typic Kandiudult (P6), Typic Kandiudalf (P7), and Arenic Plinthic Kandiudult (P8). The Serra do Divisor soils have very low fertility, high acidity, and low cation exchange capacities, presenting a coarse sandy texture, even shallow pedons. The X-ray diffraction analysis of these soils indicates the predominance of kaolinite, with traces of quartz and gibbsite. The shallow mountain Podzols on sandstone have an expressive accumulation of organic material in surface horizons, with evidence of ferrihydrite and imogolite in the subsurface. At the Moa river floodplain, all soils are originated from ... Mostrar Tudo |
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Palavras-Chave: |
Amazonia Occidental; Amazônia Ocidental; Formación del suelo; Llanuras sujetas a inundaciones; Materia orgánica del suelo; Micropedologia; Micropedology; Mineralogía del suelo; Northwestern Acre; Planície de inundação; Rio Moa (AC); Serra do Divisor (AC); Western Amazon. |
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Thesagro: |
Gênese do Solo; Matéria Orgânica; Mineralogia; Várzea. |
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Thesaurus NAL: |
Floodplains; Soil formation; Soil mineralogy; Soil organic matter. |
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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/215667/1/27023.pdf
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Marc: |
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001 2124663
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008 2020 bl uuuu u00u1 u #d
022 $a0100-0683 (print) / 1806-9657 (online)
024 7 $a10.36783/18069657rbcs20200038$2DOI
100 1 $aMENDONÇA, B. A. F. de
245 $aGenesis and micropedology of soils at Serra do Divisor and Moa river floodplain, northwestern Acre, Brazilian Amazonia.$h[electronic resource]
260 $c2020
520 $aThe northwestern part of the Acre State (Brazil) possesses singular soils in Brazilian Amazonia, but have been very little studied. This study aimed to discuss the genesis and some micropedological aspects of the soils from Serra do Divisor and adjacent floodplain soils of the Moa river, to enhance the knowledge on their formation. A toposequence of soils ranging from the uppermost part of sub-Andean Serra do Divisor to the Alluvial soils of Moa river floodplain was studied, regarding chemical, physical, mineralogical, and micromorphological attributes. The parent material of the Serra do Divisor is basically quartzose sandstone, and the soils along the toposequence were classified as Typic Haplorthods (P1), Spodic Quartzipsamment (P2), Lithic Quartzipsamment (P3), and Lithic Quartzipsamment (P4). Along the Moa river floodplain, we also identified and collected, Typic Udifluvent (P5), Typic Kandiudult (P6), Typic Kandiudalf (P7), and Arenic Plinthic Kandiudult (P8). The Serra do Divisor soils have very low fertility, high acidity, and low cation exchange capacities, presenting a coarse sandy texture, even shallow pedons. The X-ray diffraction analysis of these soils indicates the predominance of kaolinite, with traces of quartz and gibbsite. The shallow mountain Podzols on sandstone have an expressive accumulation of organic material in surface horizons, with evidence of ferrihydrite and imogolite in the subsurface. At the Moa river floodplain, all soils are originated from recent sediments (Cenozoic), which have a geological source upstream. Varying sedimentary layers are key aspects influencing soil genesis. Those soils have evidence of 2:1 clays with hydroxyl-Al interlayers in subsurface horizons. The Serra do Divisor steep landforms and the coarse texture of the soils promote good drainage and favor leaching and chemical impoverishment. Kaolinite and gibbsite were formed by severe leaching and there are evidences of in situ neoformation of gibbsite by extreme Si losses. All studied soils have some peculiarities such as high accumulation of organic material or 2:1 clay minerals. Most investigated soils were affected by colluvial, reworking, mass movements or a strong variation on sedimentation.
650 $aFloodplains
650 $aSoil formation
650 $aSoil mineralogy
650 $aSoil organic matter
650 $aGênese do Solo
650 $aMatéria Orgânica
650 $aMineralogia
650 $aVárzea
653 $aAmazonia Occidental
653 $aAmazônia Ocidental
653 $aFormación del suelo
653 $aLlanuras sujetas a inundaciones
653 $aMateria orgánica del suelo
653 $aMicropedologia
653 $aMicropedology
653 $aMineralogía del suelo
653 $aNorthwestern Acre
653 $aPlanície de inundação
653 $aRio Moa (AC)
653 $aSerra do Divisor (AC)
653 $aWestern Amazon
700 1 $aSCHAEFER, C. E. G. R.
700 1 $aFERNANDES-FILHO, E. I.
700 1 $aSIMAS, F. N. B.
700 1 $aAMARAL, E. F. do
773 $tRevista Brasileira de Ciência do Solo$gv. 44, e0200038, 2020.
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Registro original: |
Embrapa Acre (CPAF-AC) |
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