Nematodes are typically known for the damage they cause when feeding on or residing inside roots. However, they also can impact foliage. The host range of foliar and soil dwelling nematodes is wide affecting various environmental horticulture crops,
Author: IR-4 Generic
Tolerance Success: Cylcaniliprole
Cyclaniliprole was registered for use on greenhouse lettuce and cucumber.
Bacterial Disease Efficacy – 2024
From 2008 to 2022, 83 products were tested through the IR-4 Environmental Horticulture Program as foliar or drench applications against bacterial pathogens. In addition to research collected through the IR-4 program, this summary includes
Mollusc Efficacy – 2024
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
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!