Difenoconazole, fenbuconazole, ferbam, thiram, and ziram are all under a draft risk assessment in the EPA’s registration review process.

The deadline to submit comments to support keeping each of these fungicides registered for use is January 4, 2021.
All fruit and vegetable growers are encouraged to submit their comments to the EPA about the importance of each of the following fungicides: difenoconazole, fenbuconazole, ferbam, thiram, and ziram. Each fungicide must be commented on separately. You can submit your comments for each fungicide until January 4, 2021, at 11:59 PM ET to the EPA by following each of the links for the respective fungicides:
Difenoconazole:
- Submit comments at this link
- Active ingredient found in Inspire Super, Aprovia Top, Quadris Top, Academy
- Commonly used on tree fruit, berries, grapes, cucurbits, fruiting vegetables, leafy vegetables, onion; postharvest application on apple