| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Meio Ambiente. |
|
Data corrente: |
22/12/2008 |
|
Data da última atualização: |
23/11/2016 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
PARAIBA, L. C.; KATAGUIRI, K. |
|
Afiliação: |
LOURIVAL COSTA PARAIBA, CNPMA; Karen Kataguiri, Faculdade de Engenharia Ambiental-UNESP Sorocaba. |
|
Título: |
Model approach for estimating potato pesticide bioconcentration factor. |
|
Ano de publicação: |
2008 |
|
Fonte/Imprenta: |
Chemosphere, v. 73, p.1247-1252, 2008. |
|
Idioma: |
Inglês |
|
Conteúdo: |
e presented a model that estimates the bioconcentration factor (BCF) of pesticides in potatoes supposing that the pesticide in the soil solution is absorbed by the potato by passive diffusion, following Fick?s second law. The pesticides in the model are nonionic organic substances, traditionally used in potato crops that degrade in the soil according to a first-order kinetic equation. This presents an expression that relates BCF with the pesticide elimination rate by the potato, with the pesticide accumulation rate within the potato, with the rate of growth of the potato and with the pesticide degradation rate in the soil. BCF was estimated supposing steady state equilibrium of the quotient between the pesticide concentration in the potato and the pesticide concentration in the soil solution. It is suggested that a negative correlation exists between the pesticide BCF and the soil sorption partition coefficient. The model was built based on the work of Trapp et al. [Trapp, S., Cammarano, A., Capri, E., Reichenberg, F., Mayer, P., 2007. Diffusion of PAH in potato and carrot slices and application for a potato model. Environ. Sci. Technol. 41 (9), 3103? 3108], in which an expression to calculate the diffusivity of persistent organic substances in potatoes is presented. The model consists in adding to the expression of Trapp et al. [Trapp, S., Cammarano, A., Capri, E., Reichenberg, F., Mayer, P., 2007. Diffusion of PAH in potato and carrot slices and application for a potato model. Environ. Sci. Technol. 41 (9), 3103?3108] the hypothesis that the pesticide degrades in the soil. The value of BCF suggests which pesticides should be monitored in potatoes. Menose presented a model that estimates the bioconcentration factor (BCF) of pesticides in potatoes supposing that the pesticide in the soil solution is absorbed by the potato by passive diffusion, following Fick?s second law. The pesticides in the model are nonionic organic substances, traditionally used in potato crops that degrade in the soil according to a first-order kinetic equation. This presents an expression that relates BCF with the pesticide elimination rate by the potato, with the pesticide accumulation rate within the potato, with the rate of growth of the potato and with the pesticide degradation rate in the soil. BCF was estimated supposing steady state equilibrium of the quotient between the pesticide concentration in the potato and the pesticide concentration in the soil solution. It is suggested that a negative correlation exists between the pesticide BCF and the soil sorption partition coefficient. The model was built based on the work of Trapp et al. [Trapp, S., Cammarano, A., Capri, E., Reichenberg, F., Mayer, P., 2007. Diffusion of PAH in potato and carrot slices and application for a potato model. Environ. Sci. Technol. 41 (9), 3103? 3108], in which an expression to calculate the diffusivity of persistent organic substances in potatoes is presented. The model consists in adding to the expression of Trapp et al. [Trapp, S., Cammarano, A., Capri, E., Reichenberg, F., Mayer, P., 2007. Diffusion of PAH in potato and carrot slices and application for a potato mo... Mostrar Tudo |
|
Palavras-Chave: |
Modelagem matemática. |
|
Thesagro: |
Agrotóxico. |
|
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/150408/1/2008AP-13.pdf
|
|
Marc: |
LEADER 02130naa a2200157 a 4500
001 1015596
005 2016-11-23
008 2008 bl uuuu u00u1 u #d
100 1 $aPARAIBA, L. C.
245 $aModel approach for estimating potato pesticide bioconcentration factor.$h[electronic resource]
260 $c2008
520 $ae presented a model that estimates the bioconcentration factor (BCF) of pesticides in potatoes supposing that the pesticide in the soil solution is absorbed by the potato by passive diffusion, following Fick?s second law. The pesticides in the model are nonionic organic substances, traditionally used in potato crops that degrade in the soil according to a first-order kinetic equation. This presents an expression that relates BCF with the pesticide elimination rate by the potato, with the pesticide accumulation rate within the potato, with the rate of growth of the potato and with the pesticide degradation rate in the soil. BCF was estimated supposing steady state equilibrium of the quotient between the pesticide concentration in the potato and the pesticide concentration in the soil solution. It is suggested that a negative correlation exists between the pesticide BCF and the soil sorption partition coefficient. The model was built based on the work of Trapp et al. [Trapp, S., Cammarano, A., Capri, E., Reichenberg, F., Mayer, P., 2007. Diffusion of PAH in potato and carrot slices and application for a potato model. Environ. Sci. Technol. 41 (9), 3103? 3108], in which an expression to calculate the diffusivity of persistent organic substances in potatoes is presented. The model consists in adding to the expression of Trapp et al. [Trapp, S., Cammarano, A., Capri, E., Reichenberg, F., Mayer, P., 2007. Diffusion of PAH in potato and carrot slices and application for a potato model. Environ. Sci. Technol. 41 (9), 3103?3108] the hypothesis that the pesticide degrades in the soil. The value of BCF suggests which pesticides should be monitored in potatoes.
650 $aAgrotóxico
653 $aModelagem matemática
700 1 $aKATAGUIRI, K.
773 $tChemosphere$gv. 73, p.1247-1252, 2008.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Meio Ambiente (CNPMA) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
Registro Completo
|
Biblioteca(s): |
Embrapa Amazônia Ocidental. |
|
Data corrente: |
04/04/2019 |
|
Data da última atualização: |
06/01/2020 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 2 |
|
Autoria: |
FERREYRA RAMOS, S. L.; LOPES, M. T. G.; LOPES, R.; DEQUIGIOVANNI, G.; MACEDO, J. L. V. de; SEBBENN, A. M.; SILVA, E. B. da; GARCIA, J. N. |
|
Afiliação: |
Santiago Linorio Ferreyra Ramos, UFAM; Maria Teresa Gomes Lopes, UFAM; RICARDO LOPES, CPAA; Gabriel Dequigiovanni; JEFERSON LUIS VASCONCELOS DE MACEDO, CPAA; Alexandre Magno Sebbenn; EDSON BARCELOS DA SILVA, CPAA; José Nivaldo Garcia. |
|
Título: |
Mating system analysis of Açaí-do-Amazonas (Euterpe precatoria Mart.) using molecular markers. |
|
Ano de publicação: |
2019 |
|
Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, v. 19, n. 1, p. 120-124, 2019. |
|
Idioma: |
Inglês |
|
Conteúdo: |
Euterpe precatoria (Açaí-do-Amazonas) produces fruits of which the fresh pulp is consumed. It is almost exclusively collected by extractivist farmers, because no selected genotypes are available for the establishment of plantations. For the domestication and breeding of the species, mating system studies are needed for strategy formulation. This study evaluated the mating system of a natural population of E. precatoria. |
|
Palavras-Chave: |
Açaí-do-Amazonas; Marcadores moleculares; Molecular marker. |
|
Thesagro: |
Açaí. |
|
Thesaurus NAL: |
Euterpe precatoria. |
|
Categoria do assunto: |
-- |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/195427/1/Mating-system-analysis-of-Acai-do-Amazonas-Ramos-et-al-2019.pdf
|
|
Marc: |
LEADER 01233naa a2200265 a 4500
001 2107914
005 2020-01-06
008 2019 bl uuuu u00u1 u #d
100 1 $aFERREYRA RAMOS, S. L.
245 $aMating system analysis of Açaí-do-Amazonas (Euterpe precatoria Mart.) using molecular markers.$h[electronic resource]
260 $c2019
520 $aEuterpe precatoria (Açaí-do-Amazonas) produces fruits of which the fresh pulp is consumed. It is almost exclusively collected by extractivist farmers, because no selected genotypes are available for the establishment of plantations. For the domestication and breeding of the species, mating system studies are needed for strategy formulation. This study evaluated the mating system of a natural population of E. precatoria.
650 $aEuterpe precatoria
650 $aAçaí
653 $aAçaí-do-Amazonas
653 $aMarcadores moleculares
653 $aMolecular marker
700 1 $aLOPES, M. T. G.
700 1 $aLOPES, R.
700 1 $aDEQUIGIOVANNI, G.
700 1 $aMACEDO, J. L. V. de
700 1 $aSEBBENN, A. M.
700 1 $aSILVA, E. B. da
700 1 $aGARCIA, J. N.
773 $tCrop Breeding and Applied Biotechnology$gv. 19, n. 1, p. 120-124, 2019.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Amazônia Ocidental (CPAA) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
