Thiazopyr
Action/Use:
- Herbicide
Use:
For control of annual grass species. Certain small-seeded broadleaf weeds may also be controlled at higher use rates. Selective weed control in numerous crops including annual, permanent, and semi-permanent crops.
Identification
Common Name(s): Thiazopyr (ANSI, BSI, ISOE)
Chemistry
Class: Pyridine.
Formula: C16H17F5N2O2S.
Properties: Light tan crystalline solid, sulfur odor.
Mode of Action / Resistance Management
Chemical Group: pyridine
Mode of Action: microtubule assembly inhibition
Action Group: HRAC Group K1; WSSA Group 3
Environmental Guidelines
Hazards: Fish: LC50 3.5 mg/l (96 h) (bluegill sunfish); LC50 3.4 mg/l (96 h) (rainbow trout); LC50 6.1 mg/l (48 h) (Daphnia). Bird: Oral LD50 1913 mg/kg (bobwhite quail); Dietary (5 day) LC50 >5620 ppm (bobwhite quail, mallard duck). Bee: LD50 >100 µg/bee (honeybee); Oral LC50 >1000 ppm (honeybee)
Water Solubility: 2.5 mg/l at 20°C
Safety Guidelines
Toxicity: (Rat): Oral LD50 >5000 mg/kg. (Rabbit): Dermal LD50 >5000 mg/kg
Suppliers and Branded Products
Basic Producers:
Dow AgroSciences LLC (Mandate*, Visor*)
