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Category: Weed Science

Isoxaben + Dithiopyr Crop Safety – 2023

Posted on February 28, 2023

Fortress (isoxaben + dithiopyr) was registered in 2018 for environmental horticulture crop uses. Between 2018 and 2020, IR-4 examined 17 crop species / genera to expand this label to

Posted in CropSafety, Weed Science, Weed Science Crop Safety

Flumioxazin + Prodiamine Crop Safety – 2022

Posted on December 22, 2022

Fuerte (flumioxazin + prodiamine) has been registered in the United States since 2018. Starting in 2020, the IR-4 Project has been screening additional crops for their tolerance to over the top applications.

Posted in CropSafety, Weed Science, Weed Science Crop Safety

Pendimethalin + Dimethenamid-p Crop Safety – 2022

Posted on December 22, 2022

From 2007 to 2022, IR-4 completed 700 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

Posted in CropSafety, Weed Science, Weed Science Crop Safety

Prodiamine + Isoxaben Crop Safety – 2022

Posted on December 13, 2022December 13, 2022

Prodiamine + Isoxaben (Gemini G) is a herbicide combination developed by Everris dba ICL Specialty Fertilizers for pre-emergent control of grasses and broadleaf weeds on environmental horticulture crops.

Posted in CropSafety, Weed Science, Weed Science Crop Safety

Dithiopyr Crop Safety – 2022

Posted on November 29, 2022December 13, 2022

Dimension was initially registered in 1992 for environmental horticulture uses. This initial label contained an extensive list of plants for landscapes where Dimension could be used without causing phytotoxicity.

Posted in CropSafety, Weed Science, Weed Science Crop Safety

Oxadiazon Crop Safety – 2022

Posted on September 23, 2022December 13, 2022

Oxadiazon has been registered in the United States since the 1970’s for uses in and around environmental horticulture plants in production nurseries and in landscapes. Between 1972 and 2021, the IR-4 Project has conducted

Posted in CropSafety, Weed Science, Weed Science Crop Safety

S-Metolachlor Crop Safety – 2022

Posted on September 23, 2022December 13, 2022

From 2004 to 2021, IR-4 completed 196 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

Posted in CropSafety, Weed Science, Weed Science Crop Safety

Dimethenamid-p Crop Safety – 2022

Posted on September 23, 2022December 13, 2022

From 2007 to 2021, IR-4 completed 573 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

Posted in CropSafety, Weed Science, Weed Science Crop Safety

Indaziflam Crop Safety – 2022

Posted on September 23, 2022December 13, 2022

From 2011 through 2021, IR-4 has completed 186 trials evaluating two granular and one liquid formulations of indaziflam for crop safety. The data contained in this report was generated to register the use of indaziflam

Posted in CropSafety, Weed Science, Weed Science Crop Safety

Bentazon Crop Safety – 2022

Posted on May 6, 2022June 2, 2022

Basagran T/O has been registered for several years as a directed application and as an over-the-top application on limited plant species. However, growers have expressed the need to have additional plants added for over-the-top applications.

Posted in CropSafety, Weed Science, Weed Science Crop Safety

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IR-4 Project Headquarters
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This website is based upon work that is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture, under award numbers 2021-34383-34848 and 2020-34383-32455 with substantial cooperation and support from the State Agricultural Experiment Stations, USDA-ARS, USDA-APHIS, and USDA-FAS. In accordance with Federal Law and U.S. Department of Agriculture policy, this institution is prohibited from discriminating on the basis of race, color, national origin, sex, age or disability.

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  • About IR-4
    ▼
    • Annual Reports
    • Careers
    • Contacts
      ▼
      • Headquarters Staff
      • National Directory
      • Regions & USDA-ARS
    • History
    • Mission & Vision
    • News
    • Outreach
    • Participants in the Process
  • Food Crops
    ▼
    • Biopesticide Regulatory Support Program
    • Crop Grouping
    • Integrated Solutions
    • International Programs
    • Residue and Product Performance
  • Environmental Horticulture
  • Events & Training
  • Stakeholder Resources
    ▼
    • Database: Food Crops
    • eQA/eDOCs
    • Database: Environmental Horticulture
    • Databases: Biopesticides and Organic Support
    • Glossary of Acronyms
    • Upload Files
  • Submit a Request