Chlorsulfuron
Action/Use:
- Herbicide
Use:
A selective preemergence or early postemergence herbicide used at low rates. Carefully consider crop rotation plans before using. Controls broadleaf weeds, annual ryegrass in Conservation Reserve Program (CRP). Pre- or postemergence to crop for some annual grasses in wheat, barley, durum, oats. Chlorsulfuron selective and nonselective for noncropland.
Identification
Common Name(s): Chlorsulfuron (ANSI, ISO, BSI, WSSA)
Chemistry
Class: Sulfonylurea.
Properties: Odorless, white, crystalline solid. Melting point 174-178°C. Slight solubility in methylene chloride, acetone, methanol, toluene, and hexane.
Mode of Action / Resistance Management
Chemical Group: Sulfonylurea
Mode of Action: Inhibition of acetolactate synthase ALS (acetohydoxyacid synthase AHAS)
Action Group: HRAC Group B; WSSA Group 2
Registration
U.S.A.: For cereals (primarily wheat, barley, oats).
Outside U.S.A.: Glean* T is sold only in Europe with various other cereal herbicides.
Environmental Guidelines
Water Solubility: 587 ppm at pH 5; 31,800 ppm at pH 7
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: Tech (Rat): Oral LD50 5545mg/kg (male); 6293 mg/kg (female). (Rabbit): Dermal LD50 >3400 mg/kg
Handling/storage Cautions: Stable when excess moisture or humidity are excluded from container
Suppliers and Branded Products
Basic Producers:
Agsin Pte. Ltd. (Lean*)
DuPont Crop Protection (Glean*, Telar* XP)
Hangzhou March Chemicals Co. Ltd. (Master*)
Hualong Chemical Industry Co., Ltd. (Master*)
Nufarm Americas Inc. (Corsair*)
Probelte S.A. (Uron*)
Sanonda (Australia) Pty. Ltd. (Lasher*)
Wangs Crop-Science Co., Ltd. (Klors*)
Zagro Singapore Pte. Ltd. (Lean*)
Formulators' Trade Names:
Cheminova, Inc. (Report*)
Polsas Chemicals and Machinery Co. (Glimmer*)
SAFA TARIM A.S. (Gainer*, Tamada*)
B.V. Industrie- & Handelsonderneming Simonis (Wopro-chlorsulfuron*)
Stockton Agrimor AG (Comod*)
Premix Products:
+ Aminocyclopyrachlor
- Perspective* — DuPont Crop Protection
+ Flucarbazone-sodium
- Finesse* Grass & Broadleaf — DuPont Crop Protection
+ Methabenzthiazuron
- Glean T* — DuPont Crop Protection
+ Metsulfuron-methyl
- Chisum* — Cheminova, Inc.
- Cimarron* Plus — DuPont Crop Protection
- Cimarron* X-tra — DuPont Crop Protection
- Finesse* Cereal and Fallow — DuPont Crop Protection
- Report* Extra — Cheminova, Inc.
+ Sulfentrazone+ Sulfometuron-methyl
- Throttle* XP — DuPont Crop Protection
+ Sulfometuron-methyl
- Landmark* XP — DuPont Crop Protection
Discontinued Names:
Almuron*
Finesse*
Landmark* II MP
Landmark* MP
Megaton*
Pilargreen*
Trilixon*
