Ametryn
Action/Use:
- Herbicide
Use:
A selective, contact herbicide with some soil residual activity. Postemergence treatments must be directed on most crops. Absorbed through foliage and roots; penetrates foliage rapidly, minimizing its removal by rain. Controls most annual weeds in corn, banana, pineapple, and sugarcane.
Identification
Common Name(s): Ametryn (ISO, BSI, JMAF, WSSA); ; Ametryne (ISOF)
Chemistry
Class: Triazine.
Properties: Colorless crystals. Melting point 84°-85°C. Readily soluble in organic solvents.
Mode of Action / Resistance Management
Chemical Group: triazine
Mode of Action: inhibition of photosynthesis at photosystem II
Action Group: HRAC Group C1; WSSA Group 5
Registration
Outside U.S.A.: Crisazina-Crisatrina Kombi*.
Environmental Guidelines
Hazards: Fish: LC50 8.8 mg/l (96 h) (rainbow trout); 4.1 mg/l (bluegill); 14.1 mg/l (goldfish). Bee: Low toxicity
Water Solubility: 185 ppm at 20°C
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: Tech (Rat): Oral LD50 1750 mg/kg
Handling/storage Cautions: Slight sensitivity to extreme temperatures and natural light
Suppliers and Branded Products
Basic Producers:
AAKO B.V. (AKOTRYN*)
Crystal Chemical Inter-America (Crisatrina*)
Makhteshim Agan Group (Ametrex*)
OXON Italia S.p.A. (Italame*)
Pilar AgriScience (Canada) Corp. (pilarmetryn*)
Shandong Kesai Eagrow Co., Ltd. (Eagrow*)
Sinochem Hebei Corp. (Almulex*)
Syngenta (Evik*, Gesapax*)
Zagro Singapore Pte. Ltd. (Fezpax*, ZA Ametryn*)
Formulators' Trade Names:
Agrolex Pte. Ltd. (Almulex*)
Agsin Pte. Ltd. (X-sipax*)
Dupocsa, Protectores Quimicos para el Campo S.A. (Crisatrina*)
Forward International Ltd. (Amesip*)
Inquiport, S.A. (Ameflow*)
Insecticidas Internacionales, C.A. (Ametrol*)
Ivorychem Pte. Ltd. (Ultrax*)
Ladda Co., Ltd. (Dypak*)
Milenia Agrociencias S.A. (Herbipak*)
Proficol (Cascabel*)
PT. Mastec (Amtrak*)
B.V. Industrie- & Handelsonderneming Simonis (Woprotryne*)
VAPCO, Veterinary & Agricultural Products Mfg. Co. Ltd. (Ametrabole*)
Premix Products:
+ Acetochlor
- Acetamet* — Villa Crop Protection
+ Atrazine
- Amezol* — Insecticidas Internacionales, C.A.
- Atramet Combi* — Makhteshim Agan Group
- Cascabel* M
- Cascabel-M* — Proficol
- Crisazina-Crisatrina Kombi*
- DRAGONCOMBI* — Agricultura Nacional SA de CV
- Metrimex* — Forward International Ltd.
+ 2,4-D
- DRAGOPAX* — Agricultura Nacional SA de CV
- Gesapax-H* — Syngenta
- Trinatox D* — Pyosa, S.A. de C.V.
- Versatil* — Agroquimicos Versa, S.A. de C.V.
+ Diuron
- Ametron* — Makhteshim Agan Group
- Dimetryn* — Insecticidas Internacionales, C.A.
+ Simazine
- Ametrex Extra* — Makhteshim Agan Group
+ Terbutryn
- Amigan* — Makhteshim Agan Group
+ Trifloxystrobin
- Trebond* — Willowood Ltd.
+ Trifloxysulfuron-sodium
- Krismat* — Syngenta
Discontinued Names:
Ametop*
Ametrina*
Metrin*
