Fenhexamid 
Action/Use:
- Fungicide
Use:
Decree*, Elevate*: For control of Botrytis on bushberries, caneberries, grapes, pistachios, strawberries, ornamentals. Suppression of powdery mildew of grapes. Control of Monilinia on almonds and stone fruit. Judge*: For control of gray mold, fruit rot and brown rot on fruit. Teldor*: For control of bunch rot on grapevines.
Identification
Common Name(s): Fenhexamid (BSI, ISOPA)
Chemistry
Class: Hydroxyanilide.
Formula: C14H17CI2NO2.
Properties: White powder. Melting point 153°C. Boiling point 320°C (extrapolated). Vapor pressure 4 x 10-4 mPa (20°C, extrapolated).
Mode of Action / Resistance Management
Chemical Group: hydroxyanilides
Taget Site: G3: 3-keto reduc-tase, C4-de-methylation
Mode of Action: sterol biosynthesis in membranes
Action Group: FRAC Code 17
Comments / Risk Notes: Low to medium risk
Environmental Guidelines
Hazards: Fish: LC50 (96 h) 1.34 mg/l (rainbow trout); 3.42 mg/l (bluegill sunfish). EC50 (48 h) >18.8 mg/l (Daphnia). Bird: LD50 >2000 mg/kg (bobwhite quail). Bees: LC50 (oral, contact) >100 µg/bee
Water Solubility: 20 mg/l at 20°C (pH 5-7)
Safety Guidelines
Signal Word: CAUTION (WHO)
Toxicity Class: III
Toxicity: (Rat): Oral LD50 >5000 mg/kg. Dermal LD50 >5000 mg/kg
Suppliers and Branded Products
Basic Producers:
Formulators' Trade Names:
Agri Sciences Co., Ltd. (Dexterous*)
Arysta LifeScience North America Corp. (Decree*, Elevate*)
Premix Products:
+ Captan
- Captevate* — Arysta LifeScience North America Corp.
