The US Environmental Protection Agency (EPA) released proposed interim registration review decisions for neonicotinoid insecticides (Federal Register Feb 3, 2020).
Category: Environmental Horticulture Program
Oxalis Efficacy Summary – 2020
Nursery growers have had a longstanding battle to control weeds in environmental horticulture crops. Oxalis (Oxalis spp.) is one of the most difficult weeds to control in
Crop Vignette: Coleus
Plant Information Coleus, also commonly known as painted nettle, flame nettle, and painted leaf, is a native of Southeast Asia through to Australia. In the most recent taxonomic classification, coleus now belongs to the genera Plectranthus and Solenostemon in the family Lamiaceae. The common garden Coleus (Coleus blumei = Plectranthus scutellarioides = Solenostemon scutellarioides) is […]
Bentazon Crop Safety – 2019
Basagran T/O has been registered for a number of years as a directed application and as an over-the-top application on limited plant species. However, growers have expressed the
Afidopyropen Crop Safety – 2019
BAS 440i (afidopyropen) is a new insecticide being developed by BASF for the control of piercing and sucking insect pests such as aphids, whiteflies, psyllids, scales and leafhoppers.
Crop Vignette: Pansy
Plant Information Pansies are members of the Viola genus, a taxon of flowering plants in the violet family Violaceae, with around 400–500 species distributed around the world. Viola, was named by Greeks in the 4th century BCE and was cultivated for its medicinal properties. Pansy or garden pansy is the common name for diverse cultivated […]
Downy Mildew APHIS Research Summary
Over a 5-year timeframe starting in 2013, the team of researchers listed above investigated several downy mildews – Impatiens and Cucurbit, primarily,
Fluxapyroxad + Pyraclostrobin Crop Safety – 2019
The IR-4 Project screens new active ingredients for potential deleterious impacts to aid growers in selection of appropriate disease management tools for their crops. From 2014
Food Crop Success Stories & Other New Website Features
You may have noticed some changes recently to the IR-4 website. We’re adding new elements including new types of posts to showcase impacts for food program activities and improving the location of content and menu items. Updated Home Page with our Mission and Recent News To make our news items more visible, we updated the […]
Scale and Mealybug Efficacy – 2019
Managing scale and mealybug insects presents unique challenges. Products with contact modes of action must be applied at specific timings in order to reach the most susceptible crawler stages.