Rice |
20-25 g ai/ha |
Bluegill sunfish [96 hrs] |
LC50 >1,000 mg/litre |
Bobwhite quail |
LD50 >2,250 mg/kg |
Rainbow trout [96 hrs] |
LC50 >154 mg/litre |
Mallard duck |
LD50 >2,250 mg/kg |
Daphnia magna [48 hrs] |
EC50 941 mg/litre |
Bee contact |
LD50 >25 μg/bee |
Bee ingestion |
LD50 >1000 μg/bee |
Fate in soil:
Azimsulfuron is degraded by microbial and chemical pathways in soil. Bio-accumulation in soil is not expected. The half-life in paddy soils is 11-24 days. Azimsulfuron has intermediate mobility in soil.
Fate in aquatic systems:
Azimsulfuron is degraded in water by hydrolysis and by indirect photolysis (as a result of the action of light on other constituents in paddy water). The half-life is dependent on pH and ranges from 103 days at low pH to 225 days at higher pH.
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