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Details van artikel 2 van 8 gevonden artikelen
| Titel: |
Degradation and metabolism of mexacarbate in two types of forest litters under laboratory conditions |
| Auteur: |
Sundaram, K. M. S. Boyonoski, N. Feng, C. |
| Verschenen in: |
Journal of environmental science and health. Part B, Pesticides, food contaminants, and agricultural wastes |
| Paginering: | Jaargang 22 (1985) nr. 1 pagina's 29-54 |
| Jaar: |
1985 |
| Inhoud: |
The degradation and metabolism of mexacarbate were studied in two types (sandy loam and clay loam) of sterile and nonsterile forest litters after incubation for 45 days under aerobic and submerged conditions. Degradation of the chemical in non-autoclaved litters was rapid initially and reached a maximum after 30 d. The rate of formation of 14CO2 and the amount, the extractable metabolites produced and the nonextractable 14C adsorbed onto the litters varied depending on the litter type and experimental conditions. Rate constants and half-lives (t1/2) of evolution of 14CO2 were very similar for the aerobic and submerged conditions. However, the t1/2 values for the clay loam litter were slightly higher than those for the sandy loam litter. Litter microbes played a major role in the degradation of mexacarbate and formation of 14CO2. Metabolites detected included demethylated carbamates, various xylenols, polar and other unknown products. The principal degradative pathway for the chemical appears to be N-demthylation, hydroloysis, ring-cleavage and eventual conjugation to litter matrix. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 8 gevonden artikelen
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