Use: Postemergence herbicide for use on cereals.
Common Name(s): Mesosulfuron-methyl (ISOPA)
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
Outside U.S.A.: Launched in China, South Africa, and Turkey.
Water Solubility: 7 ppm at pH 5, 48 at pH 7
Toxicity: (Rat): Oral LD50 >5000 mg/kg
Handling/storage Cautions: Protect from extreme heat and cold
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