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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
08/08/2001 |
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Data da última atualização: |
12/09/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SILVA, G. A. da; MAIA, L. C.; SILVA, F. S. B. da; LIMA, P. C. F. |
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Afiliação: |
GLADSTONE ALVES DA SILVA; LEONOR COSTA MAIA; FÁBIO SÉRGIO BARBOSA DA SILVA; PAULO CÉSAR FERNANDES LIMA, CPATSA. |
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Título: |
Potencial de infectividade de fungos micorrizicos arbusculares oriundos de area de caatinga nativa e degradada por mineracao, no estado da Bahia, Brasil. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Revista Brasileira de Botânica, São Paulo, v. 24, n. 2, p. 135-143, jun. 2001. |
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Idioma: |
Português |
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Conteúdo: |
Os objetivos deste trabalho foram determinar os efeitos da mineração sobre o potencial de infectividade de FMA, através da quantificação do número de esporos, por contagem direta, e do número de propágulos infectivos de FMA no solo, pela técnica do NMP, verificando influências sazonais na dinâmica dos propágulos de FMA. |
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Palavras-Chave: |
Arbuscular mycorrhiza; Area de mineracao; Bahia; Brasil; Degradacao; Micorriza arbuscular; Mineralogical area; Soils. |
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Thesagro: |
Caatinga; Caraíba; Ecossistema; Fungo; Solo. |
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Thesaurus Nal: |
Brazil; degradation; ecosystems; fungi. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/182832/1/Revista-Brasileira-de-Botanica-v.24-n.2-p.135-143-2001.pdf
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Marc: |
LEADER 01345naa a2200361 a 4500
001 1134231
005 2018-09-12
008 2001 bl uuuu u00u1 u #d
100 1 $aSILVA, G. A. da
245 $aPotencial de infectividade de fungos micorrizicos arbusculares oriundos de area de caatinga nativa e degradada por mineracao, no estado da Bahia, Brasil.
260 $c2001
520 $aOs objetivos deste trabalho foram determinar os efeitos da mineração sobre o potencial de infectividade de FMA, através da quantificação do número de esporos, por contagem direta, e do número de propágulos infectivos de FMA no solo, pela técnica do NMP, verificando influências sazonais na dinâmica dos propágulos de FMA.
650 $aBrazil
650 $adegradation
650 $aecosystems
650 $afungi
650 $aCaatinga
650 $aCaraíba
650 $aEcossistema
650 $aFungo
650 $aSolo
653 $aArbuscular mycorrhiza
653 $aArea de mineracao
653 $aBahia
653 $aBrasil
653 $aDegradacao
653 $aMicorriza arbuscular
653 $aMineralogical area
653 $aSoils
700 1 $aMAIA, L. C.
700 1 $aSILVA, F. S. B. da
700 1 $aLIMA, P. C. F.
773 $tRevista Brasileira de Botânica, São Paulo$gv. 24, n. 2, p. 135-143, jun. 2001.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
11/08/2021 |
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Data da última atualização: |
07/10/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
LOPES, F. C. F.; MORENZ, M. J. F.; LEDO, F. J. da S.; CARNEIRO, J. da C.; PACIULLO, D. S. C.; ANDRADE, P. J. M.; MORAES, C. T. de. |
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Afiliação: |
FERNANDO CESAR FERRAZ LOPES, CNPGL; MIRTON JOSE FROTA MORENZ, CNPGL; FRANCISCO JOSE DA SILVA LEDO, CNPGL; JAILTON DA COSTA CARNEIRO, CNPGL; DOMINGOS SAVIO CAMPOS PACIULLO, CNPGL; PAULINO JOSE MELO ANDRADE, CNPGL; CONRADO TRIGO DE MORAES, Universidade Federal de Viçosa. |
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Título: |
Chemical composition and fatty acid profile of BRS Capiaçu ensiled at different regrowth ages. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Semina: Ciências Agrárias, v. 42, n. 3, p. 1981-2004, 2021. |
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DOI: |
https://doi.org/10.5433/1679-0359.2021v42n3Supl1p1981 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to evaluate the chemical composition and fatty acid (FA) profile of chopped forage and silage of BRS Capiaçu elephant grass at four regrowth ages: 50, 70, 90 and 110 days. A randomized block design with five replications was used. The ensiling was carried out manually in experimental silos without wilting using no additives or bacterial inoculants. The results were analyzed using mixed models (P < 0.05). The model included treatment (regrowth age) as a fixed effect and block as a random effect. Linear and quadratic effects of the treatments were analyzed using orthogonal contrasts. There were linear increases in the dry matter (DM, g kg-1) and lignin (g kg-1 DM) contents and linear reductions in the in vitro DM digestibility (g kg-1) of chopped grass and silage as a function of regrowth age (P < 0.001). Quadratic effects (P ? 0.01) were observed for the chopped grass contents (g kg-1 DM) of crude protein (CP), ether extract (EE) and neutral detergent fiber (NDF) as a function of regrowth age. There were linear decreases (P < 0.0001) in the CP content (g kg-1 DM) and pH and linear increases (P < 0.001) in the EE and NDF contents (g kg-1 DM) in the silage as a function of regrowth age. There were linear decreases (P < 0.01) in the chopped grass contents and linear increases (P < 0.05) in the silage contents of total FAs, linoleic and ?-linolenic acids (g kg-1 DM) as a function of regrowth age. BRS Capiaçu elephant grass must be harvested at up to 70 days of regrowth to obtain forage with good nutritional value and the highest levels of linoleic and ?-linolenic acids (g kg-1 DM). To produce silages with adequate pH values and the highest levels of linoleic and ?-linolenic acids (g kg-1 DM), BRS Capiaçu must be harvested between 90 and 110 days of regrowth. MenosThis study aimed to evaluate the chemical composition and fatty acid (FA) profile of chopped forage and silage of BRS Capiaçu elephant grass at four regrowth ages: 50, 70, 90 and 110 days. A randomized block design with five replications was used. The ensiling was carried out manually in experimental silos without wilting using no additives or bacterial inoculants. The results were analyzed using mixed models (P < 0.05). The model included treatment (regrowth age) as a fixed effect and block as a random effect. Linear and quadratic effects of the treatments were analyzed using orthogonal contrasts. There were linear increases in the dry matter (DM, g kg-1) and lignin (g kg-1 DM) contents and linear reductions in the in vitro DM digestibility (g kg-1) of chopped grass and silage as a function of regrowth age (P < 0.001). Quadratic effects (P ? 0.01) were observed for the chopped grass contents (g kg-1 DM) of crude protein (CP), ether extract (EE) and neutral detergent fiber (NDF) as a function of regrowth age. There were linear decreases (P < 0.0001) in the CP content (g kg-1 DM) and pH and linear increases (P < 0.001) in the EE and NDF contents (g kg-1 DM) in the silage as a function of regrowth age. There were linear decreases (P < 0.01) in the chopped grass contents and linear increases (P < 0.05) in the silage contents of total FAs, linoleic and ?-linolenic acids (g kg-1 DM) as a function of regrowth age. BRS Capiaçu elephant grass must be harvested at up to 70 days of re... Mostrar Tudo |
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Palavras-Chave: |
Ácido linolênico. |
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Thesagro: |
Ácido Linoléico; Gramínea Tropical; Pennisetum Purpureum; Silagem. |
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Thesaurus NAL: |
Linoleic acid; Linolenic acid; Silage; Tropical grasslands. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/225047/1/Chemical-composition.pdf
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Marc: |
LEADER 02784naa a2200313 a 4500
001 2133444
005 2021-10-07
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.5433/1679-0359.2021v42n3Supl1p1981$2DOI
100 1 $aLOPES, F. C. F.
245 $aChemical composition and fatty acid profile of BRS Capiaçu ensiled at different regrowth ages.$h[electronic resource]
260 $c2021
520 $aThis study aimed to evaluate the chemical composition and fatty acid (FA) profile of chopped forage and silage of BRS Capiaçu elephant grass at four regrowth ages: 50, 70, 90 and 110 days. A randomized block design with five replications was used. The ensiling was carried out manually in experimental silos without wilting using no additives or bacterial inoculants. The results were analyzed using mixed models (P < 0.05). The model included treatment (regrowth age) as a fixed effect and block as a random effect. Linear and quadratic effects of the treatments were analyzed using orthogonal contrasts. There were linear increases in the dry matter (DM, g kg-1) and lignin (g kg-1 DM) contents and linear reductions in the in vitro DM digestibility (g kg-1) of chopped grass and silage as a function of regrowth age (P < 0.001). Quadratic effects (P ? 0.01) were observed for the chopped grass contents (g kg-1 DM) of crude protein (CP), ether extract (EE) and neutral detergent fiber (NDF) as a function of regrowth age. There were linear decreases (P < 0.0001) in the CP content (g kg-1 DM) and pH and linear increases (P < 0.001) in the EE and NDF contents (g kg-1 DM) in the silage as a function of regrowth age. There were linear decreases (P < 0.01) in the chopped grass contents and linear increases (P < 0.05) in the silage contents of total FAs, linoleic and ?-linolenic acids (g kg-1 DM) as a function of regrowth age. BRS Capiaçu elephant grass must be harvested at up to 70 days of regrowth to obtain forage with good nutritional value and the highest levels of linoleic and ?-linolenic acids (g kg-1 DM). To produce silages with adequate pH values and the highest levels of linoleic and ?-linolenic acids (g kg-1 DM), BRS Capiaçu must be harvested between 90 and 110 days of regrowth.
650 $aLinoleic acid
650 $aLinolenic acid
650 $aSilage
650 $aTropical grasslands
650 $aÁcido Linoléico
650 $aGramínea Tropical
650 $aPennisetum Purpureum
650 $aSilagem
653 $aÁcido linolênico
700 1 $aMORENZ, M. J. F.
700 1 $aLEDO, F. J. da S.
700 1 $aCARNEIRO, J. da C.
700 1 $aPACIULLO, D. S. C.
700 1 $aANDRADE, P. J. M.
700 1 $aMORAES, C. T. de
773 $tSemina: Ciências Agrárias$gv. 42, n. 3, p. 1981-2004, 2021.
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Embrapa Gado de Leite (CNPGL) |
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