In 2022, EPA approved the use of mandestrobin on lettuce for protection against lettuce drop.
Learn more about this gregarious Western Region Lab Analyst.
Learn more about this excellent North Central Region FRD.
Ethalfluralin has been approved by EPA for use on hemp seed; this is the first conventional pest management option for hemp growers.
Isofetamid is now an option for rusty root disease management on ginseng. Learn about IR-4’s work securing this new use through EPA.
Learn IR-4’s perspective on a potential change in honey bee product regulation.
Employees honored with National Recognition of Excellence Awards, Technical and Meritorious Service Awards
2023 marks 60 Years of IR-4. Read more about our project’s impacts and longevity.
EPA has approved new tolerances for Pyriofenone on greenhouse cucumbers and fruiting vegetables.
EPA has approved a new tolerance for sulfur dioxide on blueberries. Read more here.