Quizalofop-ethyl
Action/Use:
- Herbicide
Use:
A selective postemergence grass herbicide for control in broadleaf crops such as soybeans, sugar beets, sunflowers, oilseed rape, vegetables.
Identification
Common Name(s): Quizalofop-ethyl (ANSI, BSI, ISO draft)
Chemistry
Class: Phenoxypropionic ester.
Properties: White crystalline solid. Melting point 91°C. Solubility: acetone, 11.1 g/100 ml at 20°C. Xylene, 12.1 g/100 ml at 20°C.
Mode of Action / Resistance Management
Chemical Group: Aryloxyphenoxy propionate
Mode of Action: Inhibits an enzyme (ACCase) that catalyzes the first step in fatty acid synthesis. This blocks production of new membranes required for cell growth
Action Group: HRAC Group A; WSSA Group 1
Environmental Guidelines
Soil Particle Adsorption: Half-life 139 days (silty clay loam); 145 days (silt loam)
Hazards: Fish: Highly toxic to freshwater fish. Bird: Practically nontoxic. Bee: Relatively nontoxic
Water Solubility: 0.3 ppm at 68&def;F
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: Tech (Rat): Oral LD50 5700 mg/kg (male); 1480 mg/kg (female)
Handling/storage Cautions: Do not store below 32°F
Suppliers and Branded Products
Basic Producers:
Formulators' Trade Names:
Bayer CropScience (Pilot*, Targa*)
