Metolachlor
Action/Use:
- Herbicide
Use:
Preemergence and preplant incorporated weed control in corn, cotton, grain sorghum (seed treated with safener), peanuts, pod crops, potatoes, safflower, soybeans, and woody ornamentals. The addition of Benoxacor increases tolerance in corn.
Identification
Common Name(s): Metolachlor (ANSI, ISO, BSI, WSSA); ; Métolachlore (ISOF)
Chemistry
Class: Chloracetanilide.
Properties: Odorless white to tan liquid, boiling point 100°C at 0.001 mm/Hg. Miscible with most organic solvents.
Mode of Action / Resistance Management
Chemical Group: Chloroacetamide
Mode of Action: Inhibition of VLCFAs (Inhibition of cell divison)
Action Group: HRAC Group K3; WSSA Group 15
Environmental Guidelines
Soil Particle Adsorption: Data incomplete, but indicates essentially stable in loamy sand over 64 days. Mobile in sandy clay loam, loam soil
Hazards: Bird: Oral LD50 >2510 mg/kg; Dietary LC50 >10,000 ppm (mallard duck)
Water Solubility: 530 ppm
Safety Guidelines
Toxicity: Tech (Rat): Oral LD50 2534 mg/kg. Inhalation LC50 (4 h) >1.75 mg/l. (Rabbit): Dermal LD50 >10,000 mg/kg. Non-irritating to eyes, mildly irritating to skin
Handling/storage Cautions: Store above -30°F
Spill Control/cleanup: Large spillages should be dammed-off and pumped into containers; soak up remainder with absorbent material and dispose of in accordance with local regulations
Product/waste Disposal: Must be disposed of by special means, e.g., suitable incineration, in accordance with local regulations
Suppliers and Branded Products
Basic Producers:
Drexel Chemical Co. (Me-Too-Lachlor*)
Makhteshim Agan Group (Metolagan*, Parallel*, Parallel* PCS)
OXON Italia S.p.A. (Stalwart*)
Shandong Kesai Eagrow Co., Ltd. (Eagrow*)
Formulators' Trade Names:
Ivorychem Pte. Ltd. (Slice*)
MANA - Makhteshim Agan North America, Inc. (Parallel*, Parallel* PCS)
B.V. Industrie- & Handelsonderneming Simonis (Wopro-metolachlor*)
SipcamAdvan (Stalwart*, Stalwart* C)
Villa Crop Protection (PLATINUM*)
Premix Products:
+ Atrazine
- Herbigram* — Makhteshim Agan Group
- Metolazine* — Makhteshim Agan Group
- Parallel* Plus — Makhteshim Agan Group, MANA - Makhteshim Agan North America, Inc.
- Stalwart* Xtra — SipcamAdvan
- Trizmet* II — Drexel Chemical Co.
+ Atrazine+ Benoxacor+ Terbuthylazine
- TETRAMET* — Villa Crop Protection
+ Benoxacor
- PLATNUM PLUS* — Villa Crop Protection
+ Chloridazon
- Pyracur* — BASF Corporation
- Zoekon* Extra — Hektas Ticaret T.A.S.
+ Metribuzin
- Alezan* — Bayer CropScience
Discontinued Names:
Bicep*
Bicep II*
Bicep Lite II*
Broadstrike*+Dual*
Cycle*
Derby*
Dual*
Dual II*
Dual S*
Dualor*
Gramilin*
Meto*
Metolin*
Milocep*
Ontrack*
Parrlay*
Pyracur* L
Turbo*
