Several good herbicide products are available to manage weeds in and around nursery crops. Because growers produce many different plant species and cultivars and because many new crops
Category: Environmental Horticulture Program
Quinoclamine Crop Safety – 2006
Mogeton 25WP (quinoclamine) at 2, 4 and 8 oz product per gallon (1X, 2X and 4X rates) provides excellent control of liverworts in ornamental horticulture crops grown in containers in
Early Post Emergence Efficacy Summary – 2011
From 2008 through 2011, fourteen pre-emergent herbicides were tested across the United States through the IR-4 Ornamental Horticulture Program to determine whether they can control
Liverwort Efficacy Summary – 2012
Data in this report were generated to evaluate several products for post-emergent control of liverworts (Marchantia sp.). Liverworts are among the most serious weeds of container grown ornamentals.
Spirotetramat Crop Safety – 2015
Spirotetramat was registered as Kontos for use on ornamentals applied foliar or drench in the United States in 2008. The label recommends use on ornamental horticulture
Pyridalyl Crop Safety Summary – 2014
Pyridalyl was registered as Overture for use on ornamental horticulture plants in greenhouses with foliar applications in the United States in 2008.
Pyrifluquinazon Efficacy & Crop Safety Summary – 2010
Pyrifluquinazon is a new active ingredient for the management of sucking pests, such as aphids, thrips, whiteflies and more. Its mode of action is to halt insect feeding so that they starve.
Tolfenpyrad Efficacy & Crop Safety Summary – 2010
Hachi-Hachi 15EC (tolfenpyrad) was registered July 28, 2010 for the control of aphids, leafhoppers, scales, thrips, whiteflies, and early instar lepidopteran larvae on ornamental
Pythium Efficacy Summary – 2015
At the IR-4 Ornamental Horticulture Program Workshop in 2009, Pythium Efficacy was selected as a high priority project to expand the knowledge and list of fungicides available to growers for these diseases.
Cyprodinil + Fludioxonil Efficacy Summary – 2010
From 2000 to 2007, IR-4 researched crop safety and efficacy of Medallion (fludioxonil), Vanguard (cyprodinil), and Palladium (Switch 65WG, cyprodinil + fludioxonil).