Wasp that Kills Stinkbugs Shows Up on its Own
Measuring Pollinator Attractiveness
A Week of Workshops
The IR-4 Project & American Ginseng: Like Two Peas in a Pod
Safety in IR-4
What is the IR-4 Project?
Since 1963, the Inter-regional Research Project #4 (IR-4 Project) has been the only public entity in the United States to facilitate registrations of conventional pesticides and biopesticides on Specialty Food crops (fruits, vegetables, nuts, herbs, spices) and non-food Environmental Horticulture crops.
Program Databases
Directory
Find representative information in the IR-4 National Directory
Submit a Request
Submit a pest management tool or needs request to one of our programs
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Glossary of Acronyms
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Constant Contact Monthly Updates
Grower Resources
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Environmental Horticulture
Researcher Resources
Food Program
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Extension Resources
Food Program
Environmental Horticulture
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