Molluscs (slugs and snails) can cause significant feeding damage of environmental horticulture plants in production. Baits containg metaldehyde or iron phosphate are the primary means to manage molluscs. This project was initiated to examine the potential for active ingredients with less risky environmental
Author: IR-4 Generic
S-Metolachlor Crop Safety – 2024
From 2004 to 2023, IR-4 completed 258 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 with over-the-top applications.
Ken Trammel Honored With Special Recognition by The IR-4 Project
Join us in celebrating Trammel’s countless contributions to IR-4.
Tolerance Success: Triclopyr
Triclopyr was registered for use on sugarcane.
Fatty Acid Herbicide Efficacy – 2024
Fatty acid herbicides represent potential alternatives for managing glyphosate resistant weeds as well as an option for less environmental impacts for post emergent weed management. However, optimal use patterns have not been fully established. From 2020 to 2023, five different fatty
Live from the Lab: A Collegial Caffeine Content Competition in Coffee
IR-4’s Western Region Lab put Puerto Rican and Hawaiian coffees to the test: which bean buzzes better?
Save the Date for the 2024 Food Use Workshop
Save the date for the 2024 Food Use Workshop!
2024 Food Use Workshop
The Food Use Workshop took place September 10-12, 2024 in Milwaukee, WI. View the prioritization lists here.
2023 Annual Report Now Available
Read about IR-4’s impacts in 2023—our 60th year.
Flumioxazin Crop Safety – 2024
Flumioxazin has been registered in the United States since 2003 for uses in and around environmental horticulture plants in production nurseries and in landscapes. Between 2000 and 2023, the IR-4 Project has conducted 641 trials using three granular