Table 1.
Kinetic parameters of nicosulfuron dissipation and metabolite formation in the presence of various glucose concentrations or natural substrata.
| Dissipation (1) and production (2) rates (/h) | SE | R2 | P-value | ||
|---|---|---|---|---|---|
| Glucose | Nicosulfuron | ||||
| Glucose 1 mg/L | 0.0739(1)a | 0.0013 | 0.9546 | <0.0001 | |
| Glucose 5 mg/L | 0.1048(1)b | 0.0061 | 0.9592 | <0.0001 | |
| Glucose 10 mg/L | 0.1381(1)c | 0.0042 | 0.9139 | <0.001 | |
| Metabolites | |||||
| ADMP (1 mg/L) | 5.3795(2)a | 0.5782 | 0.9545 | <0.001 | |
| ADMP (5 mg/L) | 4.8287(2)a | 0.0518 | 0.9882 | <0.0001 | |
| ADMP (10 mg/L) | 3.9844(2)a | 0.0920 | 0.9944 | <0.0001 | |
| ASDM (1 mg/L) | 3.1444(2)a | 0.0934 | 0.9895 | <0.0001 | |
| ASDM (5 mg/L) | 2.9618(2)ab | 0.0519 | 0.9923 | <0.0001 | |
| ASDM (10 mg/L) | 2.5519 (2)bc | 0.1298 | 0.9918 | <0.0001 | |
| Natural substrata | Nicosulfuron | ||||
| Leaves | 0.1137(1)a | 0.0021 | 0.9512 | <0.0001 | |
| Wood | 0.1139 (1)a | 0.0087 | 0.8815 | <0.001 | |
Parameters are expressed as the mean standard error (SE), n = 3. Significant differences between conditions are indicated by letters (Tukey test, P < 0.05).