A Week of Workshops
Petunia, the Worthless Tobacco
Have no Fear: IR-4 FRDs are Here
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
Resources
Research Links
Glossary of Acronyms
Year End Summaries/Annual Reports
Archives
Constant Contact Monthly Updates
Grower Resources
Food Program
Environmental Horticulture
Researcher Resources
Food Program
Environmental Horticulture
Extension Resources
Food Program
Environmental Horticulture
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