Trade name(s) Betanex, Alphanex
Manufacturer(s) Bayer CropScience, United Phosphorus, Inc.
Formulation(s) 1.3 lb/gal emulsifiable concentrate
Remarks A foliar-applied, selective herbicide for weeds in sugarbeets. Rain within 6 hours of spraying may reduce weed kill. Do not apply to sugarbeets within 90 days before harvest. Betamix is desmedipham + phenmedipham; Progress is desmedipham + phenmedipham + ethofumesate.
Water solubility 7 ppm
Storage conditions Store above 15°F. If frozen, warm and mix at 50°F. Avoid use or storage near heat or flame.
Acute toxicity LD50 - 3,700 mg/kg
Action in plant Inhibits photosynthesis.
Site of action Group 5: photosystem II inhibitor
Chemical family Phenylcarbamate
Koc Average is 1,500 mL/g