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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia; Embrapa Agroindústria Tropical; Embrapa Amazônia Oriental; Embrapa Clima Temperado; Embrapa Hortaliças; Embrapa Meio Norte / UEP-Parnaíba; Embrapa Semiárido; Embrapa Soja; Embrapa Uva e Vinho. |
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Data corrente: |
14/09/1992 |
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Data da última atualização: |
20/12/2018 |
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Autoria: |
MEDEIROS, A. R. M. de. |
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Título: |
Alelopatia - interacoes com o agroecossistema. |
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Ano de publicação: |
1992 |
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Fonte/Imprenta: |
Pelotas: EMBRAPA-CNPFT, 1992. |
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Páginas: |
2p. |
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Série: |
(EMBRAPA-CNPFT. Comunicado Tecnico, 65). |
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Idioma: |
Português |
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Conteúdo: |
Com relação a alelopatia, os efeitos dependem dos compostos químicos adicionados ao ambiente, enquanto que na "competição", está envolvida a retirada ou redução de algum fator ambiental que e requerido por uma planta do mesmo habitat. Por exemplo: a água, a luz e os nutrientes minerais. |
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Palavras-Chave: |
Agricultural ecology; Agroecossistema; Agroecosystem; AGROSSISTEMA; Alellopathy; Biological competition; Desenvolvimento; Development; Ecologia agricola; Pest; Plant; Plantas; Plants; Trigonella foenun-graceum. |
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Thesagro: |
Alelopatia; Bioquímica; Cicer Arietinum; Competição Biológica; Controle Biológico; Hordeum Vulgare; Juglans Regia; Planta; Praga. |
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Thesaurus Nal: |
allelopathy; biochemistry; environment; Vicia ervilia. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01464nam a2200457 a 4500
001 1743220
005 2018-12-20
008 1992 bl uuuu u0uu1 u #d
100 1 $aMEDEIROS, A. R. M. de
245 $aAlelopatia - interacoes com o agroecossistema.
260 $aPelotas: EMBRAPA-CNPFT$c1992
300 $a2p.
490 $a(EMBRAPA-CNPFT. Comunicado Tecnico, 65).
520 $aCom relação a alelopatia, os efeitos dependem dos compostos químicos adicionados ao ambiente, enquanto que na "competição", está envolvida a retirada ou redução de algum fator ambiental que e requerido por uma planta do mesmo habitat. Por exemplo: a água, a luz e os nutrientes minerais.
650 $aallelopathy
650 $abiochemistry
650 $aenvironment
650 $aVicia ervilia
650 $aAlelopatia
650 $aBioquímica
650 $aCicer Arietinum
650 $aCompetição Biológica
650 $aControle Biológico
650 $aHordeum Vulgare
650 $aJuglans Regia
650 $aPlanta
650 $aPraga
653 $aAgricultural ecology
653 $aAgroecossistema
653 $aAgroecosystem
653 $aAGROSSISTEMA
653 $aAlellopathy
653 $aBiological competition
653 $aDesenvolvimento
653 $aDevelopment
653 $aEcologia agricola
653 $aPest
653 $aPlant
653 $aPlantas
653 $aPlants
653 $aTrigonella foenun-graceum
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Registro original: |
Embrapa Clima Temperado (CPACT) |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
01/02/2021 |
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Data da última atualização: |
01/02/2021 |
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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: |
CARDOSO, I. L.; SOARES, M. P.; DE ANGELIS, C.; FERRI, G. H.; ISHIKAWA, M. M.; JONSSON, C. M.; RANTIN, F. T.; SAMPAIO, F. G. |
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Afiliação: |
ISRAEL LUZ CARDOSO, UFSCar; MICHELLY PEREIRA SOARES, UFSCar; CAROLINA DE ANGELIS, UFSCar; GIOVANNI HENRIQUE FERRI, IB-UNICAMP; MARCIA MAYUMI ISHIKAWA, CNPMA; CLAUDIO MARTIN JONSSON, CNPMA; FRANSCISCO TADEU RANTIN, UFSCar; FERNANDA GARCIA SAMPAIO, CNPMA. |
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Título: |
Physiological and biochemical responses of Nile tilapia (Oreochromis niloticus) to acute trichlorfon exposure. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
International Aquatic Research, v. 12, n. 4, p. 243-253, 2020. |
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ISSN: |
2008-4935 |
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DOI: |
https://doi.org/10.22034/IAR.2020.1904943.1071 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Trichlorfon [TCF] is an organophosphate compound used to eliminate or control a variety of parasites in farmed fish. The physiological and biochemical responses of juvenile Nile tilapia were studied after 96 hours of exposure to TCF. The experiment was conducted randomly with two treatments: control and TCF (0.5 mg L-1). No mortality or changes in hematological profile were recorded for the fish. On the other hand, we found that TCF exposure caused behavioral, metabolic and hormonal changes that modified the response patterns of the immune and enzymatic defense system in muscle and liver tissues. Increased plasma cortisol and glucose combined with the reduction of acetylcholinesterase activity in muscle and liver tissue after 96-h of TCF exposure indicates chemical stress. In response to this harmful situation, we observed changes in the immune system that lead to an increased number of leukocytes, thrombocytes, monocytes, lysozyme and leukocyte respiratory burst activity. Furthermore, we associate the increased activity of glutathione-S-transferase in liver tissue as a strategy fish use to combat the effects of TCF. Thus, we conclude that TCF affects the physiologic parameters of Nile tilapia, which can generate irreversible situations of recovery of the clinical condition. Such fact highlights the need to search for new compounds that could replace TCF, that have no or few adverse effects on fish species. |
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Palavras-Chave: |
Chemotherapy. |
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Thesagro: |
Impacto Ambiental; Inseticida Organo-Fosforado; Tilápia Nilótica; Toxicologia; Toxidez. |
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Thesaurus NAL: |
Aquaculture; Tilapia (common name); Toxicity; Trichlorfon. |
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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/220808/1/Ishikawa-Physiological-biochemical-2020.pdf
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Marc: |
LEADER 02481naa a2200349 a 4500
001 2129721
005 2021-02-01
008 2020 bl uuuu u00u1 u #d
022 $a2008-4935
024 7 $ahttps://doi.org/10.22034/IAR.2020.1904943.1071$2DOI
100 1 $aCARDOSO, I. L.
245 $aPhysiological and biochemical responses of Nile tilapia (Oreochromis niloticus) to acute trichlorfon exposure.$h[electronic resource]
260 $c2020
520 $aAbstract: Trichlorfon [TCF] is an organophosphate compound used to eliminate or control a variety of parasites in farmed fish. The physiological and biochemical responses of juvenile Nile tilapia were studied after 96 hours of exposure to TCF. The experiment was conducted randomly with two treatments: control and TCF (0.5 mg L-1). No mortality or changes in hematological profile were recorded for the fish. On the other hand, we found that TCF exposure caused behavioral, metabolic and hormonal changes that modified the response patterns of the immune and enzymatic defense system in muscle and liver tissues. Increased plasma cortisol and glucose combined with the reduction of acetylcholinesterase activity in muscle and liver tissue after 96-h of TCF exposure indicates chemical stress. In response to this harmful situation, we observed changes in the immune system that lead to an increased number of leukocytes, thrombocytes, monocytes, lysozyme and leukocyte respiratory burst activity. Furthermore, we associate the increased activity of glutathione-S-transferase in liver tissue as a strategy fish use to combat the effects of TCF. Thus, we conclude that TCF affects the physiologic parameters of Nile tilapia, which can generate irreversible situations of recovery of the clinical condition. Such fact highlights the need to search for new compounds that could replace TCF, that have no or few adverse effects on fish species.
650 $aAquaculture
650 $aTilapia (common name)
650 $aToxicity
650 $aTrichlorfon
650 $aImpacto Ambiental
650 $aInseticida Organo-Fosforado
650 $aTilápia Nilótica
650 $aToxicologia
650 $aToxidez
653 $aChemotherapy
700 1 $aSOARES, M. P.
700 1 $aDE ANGELIS, C.
700 1 $aFERRI, G. H.
700 1 $aISHIKAWA, M. M.
700 1 $aJONSSON, C. M.
700 1 $aRANTIN, F. T.
700 1 $aSAMPAIO, F. G.
773 $tInternational Aquatic Research$gv. 12, n. 4, p. 243-253, 2020.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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