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Registro Completo |
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Biblioteca(s): |
Embrapa Roraima. |
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Data corrente: |
20/02/2018 |
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Data da última atualização: |
12/12/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUSA, R. de C. P. de; BARCELAR-LIMA, C. G.; SILVA, M. R. da; SMIDERLE, O. J.; CHAGAS, E. A. |
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Afiliação: |
RITA DE CASSIA POMPEU DE SOUSA, CPAF-Roraima; OSCAR JOSE SMIDERLE, CPAF-Roraima; EDVAN ALVES CHAGAS, CPAF-Roraima. |
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Título: |
Description and automated seed morphostructural characterization of Myrciaria dubia (Kunth) McVaugh: Diagnostic Imaging. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Revista brasileira de Biociências, Porto Alegre, v. 15, n.2, p. 60-67, abril./jun. 2017 |
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Idioma: |
Inglês |
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Palavras-Chave: |
Amazônia setentrional; Camu-camu. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/172866/1/artigo-publicado-2017-biociencias-SAS-3508-25081-1-PB.pdf
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Marc: |
LEADER 00619naa a2200181 a 4500
001 2087891
005 2019-12-12
008 2017 bl uuuu u00u1 u #d
100 1 $aSOUSA, R. de C. P. de
245 $aDescription and automated seed morphostructural characterization of Myrciaria dubia (Kunth) McVaugh$bDiagnostic Imaging.
260 $c2017
653 $aAmazônia setentrional
653 $aCamu-camu
700 1 $aBARCELAR-LIMA, C. G.
700 1 $aSILVA, M. R. da
700 1 $aSMIDERLE, O. J.
700 1 $aCHAGAS, E. A.
773 $tRevista brasileira de Biociências, Porto Alegre$gv. 15, n.2, p. 60-67, abril./jun. 2017
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Registro original: |
Embrapa Roraima (CPAF-RR) |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
26/09/2001 |
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Data da última atualização: |
08/09/2004 |
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Autoria: |
LEWIS, J. P.; LEGUIZAMON, E. S. |
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Título: |
Weed Colonization of Experimental Gaps in the Gaps in the Canopy of a Wheat Crop. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Pesquisa Agropecuaria Brasileira, Brasilia, v.26, n.6, p.807-820, jun.1991 |
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Idioma: |
Inglês |
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Conteúdo: |
Gaps of different sizes were opened in the canopy of a wheat crop by removing all above ground vegetafion in, August and October. Half of the gaps opened in. August were reopened in October. Composition of the weed community and abundance of individual species were measured in. September and in. November just before crop harvest. In September there were very litde differences between treatinents, and in November the most important differences were due to time of gap opening but not between gaps of different: sizes. Most weed species are synchronous with the crop and are well adapted to coexist with it, so there is a marked negative effect of late opening of gaps on most of them. Gaps have a positive effect on weeds asynchronous with the crop and perhaps on. rarities, Le. species which are neither constant nor abundant. |
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Palavras-Chave: |
Disturbance; gaps; weed colonization; weed community; wheat crop. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/20851/1/pab06_jun_91.pdf
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Marc: |
LEADER 01383naa a2200193 a 4500
001 1105814
005 2004-09-08
008 1991 bl uuuu u00u1 u #d
100 1 $aLEWIS, J. P.
245 $aWeed Colonization of Experimental Gaps in the Gaps in the Canopy of a Wheat Crop.
260 $c1991
520 $aGaps of different sizes were opened in the canopy of a wheat crop by removing all above ground vegetafion in, August and October. Half of the gaps opened in. August were reopened in October. Composition of the weed community and abundance of individual species were measured in. September and in. November just before crop harvest. In September there were very litde differences between treatinents, and in November the most important differences were due to time of gap opening but not between gaps of different: sizes. Most weed species are synchronous with the crop and are well adapted to coexist with it, so there is a marked negative effect of late opening of gaps on most of them. Gaps have a positive effect on weeds asynchronous with the crop and perhaps on. rarities, Le. species which are neither constant nor abundant.
653 $aDisturbance
653 $agaps
653 $aweed colonization
653 $aweed community
653 $awheat crop
700 1 $aLEGUIZAMON, E. S.
773 $tPesquisa Agropecuaria Brasileira, Brasilia$gv.26, n.6, p.807-820, jun.1991
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Embrapa Unidades Centrais (AI-SEDE) |
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