Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | Microbial degradation of two carbamate insecticides and their main metabolites in soil |
| Abstract | Degradation studies in soil of the insecticides aldicarb and carbofuran and their metabolites (aldicarb sulfoxide, aldicarb sulfone; 3-ketocarbofuran and 3-hydroxycarbofuran) were carried out using laboratory systems under controlled conditions (temperature, water content, light). The insecticides were added to soil samples and subsamples of the soil were analyzed at different times to assess both the bacterial abundance and the concentration of the different chemicals. The epifluorescence direct count method was applied to the subsamples to estimate microorganism numbers (N=g soil). Untreated samples of soil were used as controls for evaluating the effects of the application of the insecticides on microbial abundance. Subsamples treated with the pesticides were analyzed using HPLC and the DT50s of the different compounds studied were calculated. The DT50 values show that neither the parent compounds nor the transformation products have a high persistence in soil and there is a general increase in the concentration of microorganisms as the pesticides diminish. |
| Source | Chemistry and Ecology 18, pp. 245–255 |
| Keywords | Aldicarb; Carbofuran; Metabolites; Soil; Biodegradation |
| Journal | Chemistry and Ecology |
| Editor | Taylor and Francis, London, Regno Unito |
| Year | 2002 |
| Type | Articolo in rivista |
| Authors | BARRA CARACCIOLO A., BOTTONI P., CROBE A., FAVA L., FUNARI E., GIULIANO G., SILVESTRI C. |
| Text | 67657 2002 Aldicarb; Carbofuran; Metabolites; Soil; Biodegradation Microbial degradation of two carbamate insecticides and their main metabolites in soil BARRA CARACCIOLO A., BOTTONI P., CROBE A., FAVA L., FUNARI E., GIULIANO G., SILVESTRI C. IRSA CNR; Istituto Superiore di Sanita Degradation studies in soil of the insecticides aldicarb and carbofuran and their metabolites aldicarb sulfoxide, aldicarb sulfone; 3 ketocarbofuran and 3 hydroxycarbofuran were carried out using laboratory systems under controlled conditions temperature, water content, light . The insecticides were added to soil samples and subsamples of the soil were analyzed at different times to assess both the bacterial abundance and the concentration of the different chemicals. The epifluorescence direct count method was applied to the subsamples to estimate microorganism numbers N=g soil . Untreated samples of soil were used as controls for evaluating the effects of the application of the insecticides on microbial abundance. Subsamples treated with the pesticides were analyzed using HPLC and the DT50s of the different compounds studied were calculated. The DT50 values show that neither the parent compounds nor the transformation products have a high persistence in soil and there is a general increase in the concentration of microorganisms as the pesticides diminish. 18 pdf Articolo ChemEcologycarbamate2002.pdf Articolo in rivista Taylor and Francis 1029 0371 Chemistry and Ecology Chemistry and Ecology anna.barracaracciolo BARRA CARACCIOLO ANNA |