Table 1.
Compound (name and/or code) | Persistence | Ecotoxicology |
---|---|---|
Tribenuron‐methyl |
Low to moderate persistence Single first‐order and biphasic kinetics DT50 1.7–18.3 days (DT90 9.7–91.3 days, 20°C pF 2 or 40–60% MWHC soil moisture) Very low to moderate persistence European field dissipation studies single first‐order and biphasic kinetics DT50 0.5–34.7 days (DT90 5.1–115 days) |
Low risk |
IN‐L5296 |
high to very high persistence Single first‐order DT50 105–505 days (20°C pF 2 or 40–60% MWHC soil moisture) |
Low risk |
IN‐A4098 |
moderate to high persistence Single first‐order and biphasic kinetics DT50 44.7–333 days (DT90 97–> 1,000 days, 20–25°C pF 2 or 40–55% MWHC soil moisture) |
Low risk |
IN‐00581 |
Low to high persistence Single first‐order and Hockey Stick kinetics DT50 9.1–237.4 days (DT90 32.2–788.6 days, 20°C pF 2 or 40–45% MWHC soil moisture) Low to moderate persistence European field dissipation studies single first‐order DT50 4.5–26.4 days |
Low risk |
IN‐R9805 |
Moderate to very high persistence Single first‐order and biphasic kinetics DT50 17.6–380 days (DT90 58.3–> 1,000 days, 20°C pF 2 or 37–50% MWHC soil moisture) |
Low risk |
M2 |
Moderate to medium persistence Biphasic and Hockey Stick kinetics DT50 11.0–73.2 days (DT90 36.5–244 days, 20°C pF 2 or 37–60% MWHC soil moisture) |
Low risk |
IN‐GK521 (anaerobic) |
Low to moderate persistence Single first‐order and biphasic kinetics DT50 4.8–51.9 days (DT90 15.9–>172 days, 20°C pF 2 or 36–50% MWHC soil moisture) |
Low risk |
DT50: period required for 50% dissipation; DT90: period required for 90% dissipation; MWHC: maximum water‐holding capacity.