ir-4 – IR-4 Project

The IR-4 Project Helps Growers Gain Ground on Lettuce Drop

Posted on August 30, 2023August 30, 2023 — David Kuack

In 2022, EPA approved the use of mandestrobin on lettuce for protection against lettuce drop.

Posted on July 28, 2023July 28, 2023 — Raven E. Baez

Learn more about this gregarious Western Region Lab Analyst.

Posted on June 7, 2023July 26, 2023 — Savanah Webb

Learn more about this excellent North Central Region FRD.

Posted on May 9, 2023May 12, 2023 — Hannah Ross

Ethalfluralin has been approved by EPA for use on hemp seed; this is the first conventional pest management option for hemp growers.

Posted on March 31, 2023March 31, 2023 — David Kuack

Isofetamid is now an option for rusty root disease management on ginseng. Learn about IR-4’s work securing this new use through EPA.

Posted on March 22, 2023March 23, 2023 — Hannah Ross, Michael Braverman, Philip Moore

Learn IR-4’s perspective on a potential change in honey bee product regulation.

Posted on February 21, 2023March 3, 2023 — Hannah Ross

Employees honored with National Recognition of Excellence Awards, Technical and Meritorious Service Awards

Posted on February 7, 2023February 7, 2023 — Hannah Ross

2023 marks 60 Years of IR-4. Read more about our project’s impacts and longevity.

Posted on February 2, 2023February 3, 2023 — David Kuack, Van Starner

EPA has approved new tolerances for Pyriofenone on greenhouse cucumbers and fruiting vegetables.

Posted on January 23, 2023April 6, 2023 — Hannah Ross

EPA has approved a new tolerance for sulfur dioxide on blueberries. Read more here.