Search the IR-4 Ornamental Horticulture Program Database

This section will help you locate information about any study or trial from the start of the Ornamental Horticulture Program in 1977. If you can’t find the crop, research target, product or production site you are looking for, consider submitting a research request. The IR-4 Ornamentals Program develops efficacy and phytotoxicity data on disease, insect and weed management tools for use in greenhouses, nurseries, landscapes, interiorscapes, Christmas tree farms, sod farms, the production of forestry tree seedlings and other non-food specialty crop uses.


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If you want to perform a more detailed search, for example to search by Latin Name or Active Ingredient, click here: