Prohibited Materials List 2023

Information obtained from the Department of Pesticide Regulation sources based on flagged materials registered for use on grapes.

Due to the fluctuating registrations of many materials, trade names are not listed. It is the responsibility of the applicant to list trade names and active ingredients on documentation.

The active ingredients on this list cannot be used on certified acres between December 1, 2022 and November 30, 2023. See Standard 9.1.1.

Active Ingredient Cholinesterase Inhibiting Groundwater Protection Toxic Air Contaminant CA DPR Restricted Federal DPR Restricted
2,4-D, Dimethylamine Salt
4-Aminopyridine
Abamectin
Acephate
Aluminum Phosphide
Bentazon, Sodium Salt
Beta-Cyfluthrin
Bifenthrin
Captan
Carbaryl
Chloropicrin
Chlorpyrifos
Cyfluthrin
Diazinon
Dimethoate
Diphacinone
Diuron
Ethephon
Fenbutatin-Oxide
Fenpropathrin
Hydrogen Cyanamide
Magnesium Phosphide
Malathion
Mancozeb
Meta-Cresol
Methiocarb
Methomyl
Methyl Bromide
Naled
Norflurazon
Oxydemeton-Methyl
Paraquat Dichloride
Phosmet
Potassium N-Methyldithiocarbamate
Propargite
Propylene Oxide
Propyzamide
(S)-Cypermethrin
Simazine
Sulfur Dioxide
Sulfuryl Fluoride
Trifluralin
Zeta-Cypermethrin
Zinc Phosphide