Pendimethalin has been registered in the United States since 1994 for uses in and around environmental horticulture plants in production nurseries and in landscapes. Between 1981 and 2023,
Category: Weed Science
S-Metolachlor Crop Safety – 2024
From 2004 to 2023, IR-4 completed 258 trials on Pennant Magnum (s-metolachlor). The data contained in this report was generated to register uses of s-metolachlor on and around environmental horticulture plants with over-the-top applications.
Fatty Acid Herbicide Efficacy – 2024
Fatty acid herbicides represent potential alternatives for managing glyphosate resistant weeds as well as an option for less environmental impacts for post emergent weed management. However, optimal use patterns have not been fully established. From 2020 to 2023, five different fatty
Flumioxazin Crop Safety – 2024
Flumioxazin has been registered in the United States since 2003 for uses in and around environmental horticulture plants in production nurseries and in landscapes. Between 2000 and 2023, the IR-4 Project has conducted 641 trials using three granular
Pendimethalin + Dimethenamid-p Crop Safety – 2023
From 2007 to 2023, IR-4 completed 726 trials on Freehand 1.75G (BAS 659 G; dimethenamid-p + pendimethalin). The data contained in this report was generated to register uses of dimethenamid-p + pendimethalin on and around environmental
SP1770 Crop Safety – 2023
SP1770 is a new herbicide being developed by SePro. The IR-4 Project completed 41 crop safety trials on 29 environmental horticulture plant species orgenera during 2016 to 2019.
Nutsedge and Sedge Efficacy – 2023
Nutsedges and sedges (Cyperus sp.) are difficult to manage during the production of perennial environmental horticulture crops grown in containers or in the field. During the 2006 IR-4 Environmental Horticulture Workshop, a project was prioritized to screen for efficacious
Prodiamine + Isoxaben Crop Safety – 2023
Prodiamine + Isoxaben (Gemini G) is a herbicide combination developed by ICL Specialty Fertilizers for pre-emergent control of grasses and broadleaf weeds on environmental horticulture crops.
Dimethenamid-p Crop Safety – 2023
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
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.