Join us in honoring our external partners through the SOAR award.
Author: IR-4 Generic
IR-4 Hosts Borlaug Fellowship for International MRL Capacity Building
Fellows from four countries visited IR-4 in May to learn about MRL harmonization through a USDA-FAS program.
Tolerance Success: Fomesafen
Fomesafen was registered for use on bulb vegetables, cucurbits and more.
People of IR-4: Allison Robinson
Learn more about this excellent North Central Region FRD.
Botrytis Efficacy Summary – 2023
At the IR-4 Environmental Horticulture Program Workshop in 2011, Botrytis Efficacy was selected as a high priority project to expand the knowledge and list of fungicides available to growers for these diseases.
IR-4 Petition Yields First Conventional Pesticide Tolerance for Hemp
Ethalfluralin has been approved by EPA for use on hemp seed; this is the first conventional pest management option for hemp growers.
Tolerance Success: Ethalfluralin
Ethalfluralin was registered for use on hemp, stevia and more.
Tolerance Success: Fluazifop-p-butyl
Fluazifop-p-butyl was registered for use on berries, brassicas and more.
The IR-4 Project Inducts Bernard Zandstra into Hall of Fame
Congratulations on this well-deserved recognition, Bernie!
S-Metolachlor Crop Safety – 2023
From 2004 to 2022, IR-4 completed 231 trials on Pennant Magnum (s-metolachlor). The data contained in this report was generated to register uses of s-metolachlor on and around environmental horticulture plants