From 2007 to 2021, IR-4 completed 594 trials on Tower EC (dimethenamid-p). The data contained in this report was generated to register uses of dimethenamid-p on and around environmental horticulture plants
Author: IR-4 Generic
Crop Vignette: Coneflower
Plant Information Echinacea is a genus of about 10 perennial species, commonly known as coneflowers, in the Asteraceae family. They are native to eastern and central North America where they naturally grow in open woodlands and prairies. The genus name comes from the Greek ekhinos, meaning hedgehog, likely referring to the spiny central disk of [...]
Crop Vignette: Bleeding Heart
Plant Information Bleeding Heart (Dicentra sp.) is a genus in the Papaveraceae family with over 20 species native to North America and eastern Asia. The name Dicentra comes from the Greek words dis and kéntron meaning “twice” and “spur”, referring to the two spurred outer petals that give the flowers their distinctive shape. This distinctive [...]
Tolerance Success: Flonicamid
Flonicamid was registered for use on blueberries, pulses and more.
Tolerance Success: Spinetoram
Spinetoram was registered for use on a variety of vegetables and spices.
IR-4 Commends Bill Barney for Codex Revision Completion
Barney was presented with an award for his efforts at the 2023 Food Use Workshop.
Tolerance Success: Spinosad
Spinosad was registered for use on a variety of vegetables (field and greenhouse) and spices.
Tolerance Success: Fluxapyroxad + Pyraclostrobin
Fluxapyroxad + Pyraclostrobin were registered for use on stevia and coffee.
Liverwort Efficacy – 2023
Liverworts (Marchantia sp.) are difficult to manage during the production of perennial environmental horticulture crops grown in containers. Liverworts are among the most serious weeds of container grown ornamentals.
The IR-4 Project Helps Growers Gain Ground on Lettuce Drop
In 2022, EPA approved the use of mandestrobin on lettuce for protection against lettuce drop.