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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
22/12/2008 |
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Data da última atualização: |
22/03/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MARTINEZ, C. O.; SILVA, C. M. M. de S.; FAY, E. F.; MAIA, A. de H. N.; ABAKERLI, R. B.; DURRANT, L. R. |
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Afiliação: |
Camila Ortiz Martinez, Embrapa Meio Ambiente; Célia Maria Maganhotto de Souza Silva, Embrapa Meio Ambiente; ELISABETH FRANCISCONI FAY, CNPMA; ALINE DE HOLANDA NUNES MAIA, CNPMA; Rosângela Blotta Abakerli, Embrapa Meio Ambiente; Lucia R. Durrant, Faculdade de Engenharia de Alimentos-UNICAMP. |
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Título: |
Degradation of the herbicide sulfentrazone in a Brazilian typic hapludox soil. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
Soil Biology and Biochemistry, v. 40, n. 4, p. 853-860, 2008. |
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Idioma: |
Inglês |
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Conteúdo: |
The herbicide sulfentrazone is classified as highly mobile and persistent and this study aimed to examine degradation of this compound on a Typic Hapludox soil that is representative of regions where sulfentrazone is used in Brazil. Soil samples were supplemented with sulfentrazone (0.7 mg active ingredient (a.i.) g1 soil), and maintained at 27 1C. Soil moisture was corrected to 30%, 70%, or 100% waterholding capacity (WHC) and maintained constant until the end of the experimental period. Soils without added herbicide were used as controls. Aliquots were taken after 14, 30, 60, 120, 180, and 255 days of incubation for quantitative analysis of sulfentrazone residues by gas chromatography. Another experiment was conducted in soil samples, with and without the herbicide, at different temperatures (15, 30, and 40 1C), with moisture kept constant at 70% of WHC. The sulfentrazone residues were quantified by gas chromatography after 14, 30, 60, and 120 days of incubation. Sulfentrazone degradation was not affected by soil moisture. A significant effect was observed for the temperature factor after 120 days on herbicide degradation, which was higher at 30 1C. A half-life of 146.5 days was recorded. It was observed that the herbicide stimulated growth of actinomycetes, whereas bacterial and fungal growth was not affected. The microorganisms selected as potential sulfentrazone degraders were Rhizobium radiobacter, Ralstonia pickettii, Methylobacterium radiotolerans, Cladosporium sp., Eupenicillium sp., and Paecilomyces sp. MenosThe herbicide sulfentrazone is classified as highly mobile and persistent and this study aimed to examine degradation of this compound on a Typic Hapludox soil that is representative of regions where sulfentrazone is used in Brazil. Soil samples were supplemented with sulfentrazone (0.7 mg active ingredient (a.i.) g1 soil), and maintained at 27 1C. Soil moisture was corrected to 30%, 70%, or 100% waterholding capacity (WHC) and maintained constant until the end of the experimental period. Soils without added herbicide were used as controls. Aliquots were taken after 14, 30, 60, 120, 180, and 255 days of incubation for quantitative analysis of sulfentrazone residues by gas chromatography. Another experiment was conducted in soil samples, with and without the herbicide, at different temperatures (15, 30, and 40 1C), with moisture kept constant at 70% of WHC. The sulfentrazone residues were quantified by gas chromatography after 14, 30, 60, and 120 days of incubation. Sulfentrazone degradation was not affected by soil moisture. A significant effect was observed for the temperature factor after 120 days on herbicide degradation, which was higher at 30 1C. A half-life of 146.5 days was recorded. It was observed that the herbicide stimulated growth of actinomycetes, whereas bacterial and fungal growth was not affected. The microorganisms selected as potential sulfentrazone degraders were Rhizobium radiobacter, Ralstonia pickettii, Methylobacterium radiotolerans, Cladosporium sp., ... Mostrar Tudo |
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Palavras-Chave: |
Degradação. |
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Thesagro: |
Herbicida. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/150415/1/2008AP-20.pdf
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Marc: |
LEADER 02143naa a2200205 a 4500
001 1015602
005 2023-03-22
008 2008 bl uuuu u00u1 u #d
100 1 $aMARTINEZ, C. O.
245 $aDegradation of the herbicide sulfentrazone in a Brazilian typic hapludox soil.$h[electronic resource]
260 $c2008
520 $aThe herbicide sulfentrazone is classified as highly mobile and persistent and this study aimed to examine degradation of this compound on a Typic Hapludox soil that is representative of regions where sulfentrazone is used in Brazil. Soil samples were supplemented with sulfentrazone (0.7 mg active ingredient (a.i.) g1 soil), and maintained at 27 1C. Soil moisture was corrected to 30%, 70%, or 100% waterholding capacity (WHC) and maintained constant until the end of the experimental period. Soils without added herbicide were used as controls. Aliquots were taken after 14, 30, 60, 120, 180, and 255 days of incubation for quantitative analysis of sulfentrazone residues by gas chromatography. Another experiment was conducted in soil samples, with and without the herbicide, at different temperatures (15, 30, and 40 1C), with moisture kept constant at 70% of WHC. The sulfentrazone residues were quantified by gas chromatography after 14, 30, 60, and 120 days of incubation. Sulfentrazone degradation was not affected by soil moisture. A significant effect was observed for the temperature factor after 120 days on herbicide degradation, which was higher at 30 1C. A half-life of 146.5 days was recorded. It was observed that the herbicide stimulated growth of actinomycetes, whereas bacterial and fungal growth was not affected. The microorganisms selected as potential sulfentrazone degraders were Rhizobium radiobacter, Ralstonia pickettii, Methylobacterium radiotolerans, Cladosporium sp., Eupenicillium sp., and Paecilomyces sp.
650 $aHerbicida
653 $aDegradação
700 1 $aSILVA, C. M. M. de S.
700 1 $aFAY, E. F.
700 1 $aMAIA, A. de H. N.
700 1 $aABAKERLI, R. B.
700 1 $aDURRANT, L. R.
773 $tSoil Biology and Biochemistry$gv. 40, n. 4, p. 853-860, 2008.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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| Registros recuperados : 18 | |
| 5. |  | SOUSA, J. C. de; GOMES, R. F. C.; SILVA, J. M. da; EUCLIDES, V. P. B. Efeito da suplementação mineral de novilhos de corte em pastagens adubadas de capim Colonião. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 20, n. 2, p. 259-269, fev. 1985. Título em inglês: Mineral supplementation on steers grazing fertilized guineagrass pasture.| Tipo: Artigo em Periódico Indexado |
| Biblioteca(s): Embrapa Gado de Corte. |
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| 11. | | COSTA, A. S. da; ARCELINO, E. C.; GOMES, R. F.; LEITE, K. P.; LOGES, V.; NOGUEIRA, L. C.; WILLANDINO, L. Dano mecânico em inflorescências de Heliconia bihai e o seu efeito sobre a senscência e após armazenamento em baixa temperatura. In: JORNADA DE ENSINO, PESQUISA E EXTENSÃO DA UFRPE, 8.; SEMANA NACIONAL DE CIÊNCIA E TECNOLOGIA, 2888, Recife. Jepex 2008: anais. Recife: UFRPE, 2008.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| 12. | | COSTA, F. P.; SOUSA, J. C. de; GOMES, R. F. C.; SILVA, J. M. da; EUCLIDES, V. P. B. Avaliação econômica de alternativas de suplementação mineral de novilhos em pastagem de colonião adubada. Pesquisa Agropecuária Brasileira, Brasília, v.17, n.7, p.1083-1088, 1982. CNPGC.| Biblioteca(s): Embrapa Gado de Corte; Embrapa Unidades Centrais. |
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| 13. | | GALLES, M. E. T.; ANDREASI, M. S. A.; MIGUITA, M.; GOMES, R. F. C.; SILVA, R. A. Isolamento de E. Coli enterotoxigenicas e sensibilidade aos agentes antimicrobianos em fezes diarreicas de bezerros de corte. In: CONGRESSO BRASILEIRO DE MEDICINA VETERINARIA, 19., 1984, Belem, Resumos. Belem : Sociedade Brasileira de Medicina Veterianria / Sociedade de Medicos Veterinarios do Para, 1984. p.178. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 15. | | LOUREIRO, J. M. F.; MORAES, A. S.; GOMES, R. F. C.; RAMIREZ, R. P.; ABREU, U, G, P.; ALMEIDA, I. L. Acompanhamento dos indices zootecnicos do rebanho bovino em uma propriedade no Pantanal: estudo de caso. In: CONGRESSO BRASILEIRO DE BUIATRIA, 4., 2001, Campo Grande. Resumos. Campo Grande: [s.n.], 2001. p.159.| Biblioteca(s): Embrapa Pantanal. |
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| 16. | | NICODEMO, M. L. F.; SOUSA, J. C. de; GOMES, R. F.; NUNES, V. A.; ROSA, I. V.; VIANA, J. de A. C. Fontes de fosforo em misturas minerais para novilhas em pastejo. Revista Brasileira de Zootecnia, Vicosa, v. 27, n.4, p.801-808, jul./ago. 1998. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 17. | | SOUSA, J. C. de; GOMES, R. F. C.; REZENDE, A. M.; ROSA, I. V.; CARDOSO, E. G.; GOMES, A.; COSTA, F. P.; OLIVEIRA, A. R. de; COELHO NETO, L.; CURVO, J. B. E. Resposta de novilhos nelorados a suplementação mineral em pastagens cultivadas de capim colonião (Panicum maximum Jacq.) In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 20., Pelotas, 1983. Anais... Pelotas: SBZ, 1983. p.162. CNPGC| Biblioteca(s): Embrapa Gado de Corte. |
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| 18. | | SOUSA, J. C. de; GOMES, R. F. C.; REZENDE, A. M.; ROSA, I. V.; CARDOSO, E. G.; GOMES. A.; COSTA, F. P.; OLIEIRA, A. R. de; COELHO NETO, L.; CURVO, J. B. E. Resposta de novilhos nelorados a suplementação mineral em pastagens de capim-colonião. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 18, n. 3, p. 311-318, mar. 1983. Título em inglês: Mineral supplementation of nelore steers grazing guineagrass pasture.| Tipo: Artigo em Periódico Indexado |
| Biblioteca(s): Embrapa Gado de Corte; Embrapa Unidades Centrais. |
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| Registros recuperados : 18 | |
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