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 | Acesso ao texto completo restrito à biblioteca da Embrapa Tabuleiros Costeiros. Para informações adicionais entre em contato com cpatc.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
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Data corrente: |
22/01/2015 |
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Data da última atualização: |
22/01/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SARAIVA, A. de S.; SARMENTO, R. A.; ERASMO, E. A. L.; PEDRO-NETO, M.; SOUZA, D. J. de; TEODORO, A. V.; SILVA, D. G. |
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Afiliação: |
ALTHIÉRIS DE SOUSA SARAIVA, UFT; RENATO A. SARMENTO, UFT; EDUARDO A. L. ERASMO, UFT; MARC?AL PEDRO-NETO, UFT; DANIVAL JOSE DE SOUZA, UFT; ADENIR VIEIRA TEODORO, CPATC; DANIELLA G. SILVA, UFT. |
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Título: |
Weed management practices affect the diversity and relative abundance of physic nut mites. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Experimental and Applied Acarology, December, 2014. |
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DOI: |
10.1007/s10493-014-9875-y |
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Idioma: |
Inglês |
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Conteúdo: |
Crop management practices determine weed community, which in turn may influence patterns of diversity and abundance of associated arthropods. This study aimed to evaluate whether local weed management practices influence the diversity and relative abundance of phytophagous and predatory mites, as well as mites with undefined feeding habits?of the families Oribatidae and Acaridae?in a physic nut ( Jatropha curcas L.) plantation subjected to (1) within-row herbicide spraying and between-row mowing; (2) within-row herbicide spraying and no between-row mowing; (3) within-row weeding and between-row mowing; (4) within-row weeding and no between-row mowing; and (5) unmanaged (control). The herbicide used was glyphosate. Herbicide treatments resulted in higher diversity and relative abundance of predatory mites and mites with undefined feeding habit on physic nut shrubs. This was probably due to the toxic effects of the herbicide on mites or to removal of weeds. Within-row herbicide spraying combined with between-row mowing was the treatment that most contributed to this effect. Our results show that within-row weeds harbor important species of predatory mites and mites with undefined feeding habit. However, the dynamics of such mites in the system can be changed according to the weed management practice applied. Among the predatory mites of the family Phytoseiidae Amblydromalus sp. was the most abundant, whereas Brevi- palpus phoenicis was the most frequent phytophagous mite and an unidentified oribatid species was the most frequent mite with undefined feeding habit. MenosCrop management practices determine weed community, which in turn may influence patterns of diversity and abundance of associated arthropods. This study aimed to evaluate whether local weed management practices influence the diversity and relative abundance of phytophagous and predatory mites, as well as mites with undefined feeding habits?of the families Oribatidae and Acaridae?in a physic nut ( Jatropha curcas L.) plantation subjected to (1) within-row herbicide spraying and between-row mowing; (2) within-row herbicide spraying and no between-row mowing; (3) within-row weeding and between-row mowing; (4) within-row weeding and no between-row mowing; and (5) unmanaged (control). The herbicide used was glyphosate. Herbicide treatments resulted in higher diversity and relative abundance of predatory mites and mites with undefined feeding habit on physic nut shrubs. This was probably due to the toxic effects of the herbicide on mites or to removal of weeds. Within-row herbicide spraying combined with between-row mowing was the treatment that most contributed to this effect. Our results show that within-row weeds harbor important species of predatory mites and mites with undefined feeding habit. However, the dynamics of such mites in the system can be changed according to the weed management practice applied. Among the predatory mites of the family Phytoseiidae Amblydromalus sp. was the most abundant, whereas Brevi- palpus phoenicis was the most frequent phytophagous mite and a... Mostrar Tudo |
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Thesagro: |
Jatropha Curcas. |
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Thesaurus Nal: |
Glyphosate; Species diversity. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02307naa a2200241 a 4500
001 2006377
005 2015-01-22
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1007/s10493-014-9875-y$2DOI
100 1 $aSARAIVA, A. de S.
245 $aWeed management practices affect the diversity and relative abundance of physic nut mites.$h[electronic resource]
260 $c2014
520 $aCrop management practices determine weed community, which in turn may influence patterns of diversity and abundance of associated arthropods. This study aimed to evaluate whether local weed management practices influence the diversity and relative abundance of phytophagous and predatory mites, as well as mites with undefined feeding habits?of the families Oribatidae and Acaridae?in a physic nut ( Jatropha curcas L.) plantation subjected to (1) within-row herbicide spraying and between-row mowing; (2) within-row herbicide spraying and no between-row mowing; (3) within-row weeding and between-row mowing; (4) within-row weeding and no between-row mowing; and (5) unmanaged (control). The herbicide used was glyphosate. Herbicide treatments resulted in higher diversity and relative abundance of predatory mites and mites with undefined feeding habit on physic nut shrubs. This was probably due to the toxic effects of the herbicide on mites or to removal of weeds. Within-row herbicide spraying combined with between-row mowing was the treatment that most contributed to this effect. Our results show that within-row weeds harbor important species of predatory mites and mites with undefined feeding habit. However, the dynamics of such mites in the system can be changed according to the weed management practice applied. Among the predatory mites of the family Phytoseiidae Amblydromalus sp. was the most abundant, whereas Brevi- palpus phoenicis was the most frequent phytophagous mite and an unidentified oribatid species was the most frequent mite with undefined feeding habit.
650 $aGlyphosate
650 $aSpecies diversity
650 $aJatropha Curcas
700 1 $aSARMENTO, R. A.
700 1 $aERASMO, E. A. L.
700 1 $aPEDRO-NETO, M.
700 1 $aSOUZA, D. J. de
700 1 $aTEODORO, A. V.
700 1 $aSILVA, D. G.
773 $tExperimental and Applied Acarology, December, 2014.
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Registro original: |
Embrapa Tabuleiros Costeiros (CPATC) |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
02/06/2020 |
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Data da última atualização: |
02/06/2020 |
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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: |
FRANCISCO, V. C.; ALMEIDA, L. C.; BOGUSZ JUNIOR, S.; OIANO NETO, J.; NASSU, R. T. |
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Afiliação: |
Vanessa Cristina Francisco, UNESP; Larissa C. Almeida, USP; Stanislau Bogusz Junior, USP; JOAO OIANO NETO, CPPSE; RENATA TIEKO NASSU, CPPSE. |
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Título: |
Optimization of extraction conditions of volatile compounds of roasted beef by solid-phase microextraction. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Química Nova, v. 43, n. 4, p. 435-441, 2020. |
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DOI: |
http://dx.doi.org/10.21577/0100-4042.20170505 |
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Idioma: |
Inglês |
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Conteúdo: |
Aroma is one of the most important sensory attributes for acceptance by beef consumers. The first step in analysing the volatile compounds associated with this attribute is their extraction from the food matrix, solid-phase microextraction has been widely used for volatile compound determination in meat. This study aimed to test six different solid-phase microextraction (SPME) fibre coating materials for their volatile compounds extraction efficiency for roasted beef and to optimize the extraction conditions using response surface methodology. Gas chromatography coupled with a flame ionization detector (GC-FID) and mass spectrometry (GC-MS) were used. The choice of SPME fibre coating was based in the total area obtained by GC-FID analysis for the six fibre coatings. The optimum time and temperature for SPME extraction was 60 °C/65 minutes. The mixed-phase fibre coatings showed the best results for extracting volatile compounds in roasted beef as higher number of compounds were identified. The carboxen/polydimethylsiloxane (CAR/PDMS) fibre extracted the largest number of compounds under the optimum extraction condition. Aldehydes were the predominant class of compounds found in roasted beef, followed by alcohols and hydrocarbons. |
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Thesagro: |
Aroma. |
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Thesaurus NAL: |
Gas chromatography-mass spectrometry; Meat. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/213571/1/OptimizationExtractionConditions.pdf
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Marc: |
LEADER 01939naa a2200217 a 4500
001 2122881
005 2020-06-02
008 2020 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.21577/0100-4042.20170505$2DOI
100 1 $aFRANCISCO, V. C.
245 $aOptimization of extraction conditions of volatile compounds of roasted beef by solid-phase microextraction.$h[electronic resource]
260 $c2020
520 $aAroma is one of the most important sensory attributes for acceptance by beef consumers. The first step in analysing the volatile compounds associated with this attribute is their extraction from the food matrix, solid-phase microextraction has been widely used for volatile compound determination in meat. This study aimed to test six different solid-phase microextraction (SPME) fibre coating materials for their volatile compounds extraction efficiency for roasted beef and to optimize the extraction conditions using response surface methodology. Gas chromatography coupled with a flame ionization detector (GC-FID) and mass spectrometry (GC-MS) were used. The choice of SPME fibre coating was based in the total area obtained by GC-FID analysis for the six fibre coatings. The optimum time and temperature for SPME extraction was 60 °C/65 minutes. The mixed-phase fibre coatings showed the best results for extracting volatile compounds in roasted beef as higher number of compounds were identified. The carboxen/polydimethylsiloxane (CAR/PDMS) fibre extracted the largest number of compounds under the optimum extraction condition. Aldehydes were the predominant class of compounds found in roasted beef, followed by alcohols and hydrocarbons.
650 $aGas chromatography-mass spectrometry
650 $aMeat
650 $aAroma
700 1 $aALMEIDA, L. C.
700 1 $aBOGUSZ JUNIOR, S.
700 1 $aOIANO NETO, J.
700 1 $aNASSU, R. T.
773 $tQuímica Nova$gv. 43, n. 4, p. 435-441, 2020.
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Embrapa Pecuária Sudeste (CPPSE) |
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