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Category: Environmental Horticulture Program

Bentazon Crop Safety- 2022

Posted on May 6, 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

Clopyralid Crop Safety- 2022

Posted on May 5, 2022May 5, 2022

Lontrel (clopyralid) was initially registered in 1998 for environmental horticulture uses. This initial label contained an extensive list of environmental horticulture plants where Lontrel could be used without causing phytotoxicity.

Posted in CropSafety, Weed Science, Weed Science Crop Safety

Crop Vignette: Phlox

Posted on May 2, 2022May 10, 2022 — Allison Ballantyne

Phlox is a genus containing around sixty species in the plant family Polemoniaceae. Phlox consists of both perennial and annual plants that are mostly native to North America. The name phlox comes from the Greek word meaning “flame,” referring to the bright, colorful blooms they can produce.

Posted in Crop Vignette, Environmental Horticulture Program

2022 SOAR Award Winners

Posted on April 6, 2022April 6, 2022 — Jennifer Heiss

IR-4 is pleased to announce the winners of the 2022 SOAR Award. This award honors partners who exemplify Service, Outreach, Altruism, and Research, while supporting growers and the mission of the IR-4 Project.

Posted in Environmental Horticulture Program, Food Use, News

F6123 Crop Safety – 2022

Posted on April 5, 2022May 6, 2022

F6123 is a fungicide being developed by FMC for the control of diseases on environmental horticulture crops such as anthracnose, powdery mildew, black spot, rusts, leaf spots and other foliar diseases.

Posted in CropSafety, Pathology, Plant Pathology Crop Safety

Mefentrifluconazole Crop Safety – 2022

Posted on March 30, 2022

Avelyo (mefentrifluconazole) is a fungicide developed by BASF that has been registered for use since May 2020. It is used for the control of diseases such as anthracnose, powdery mildew,

Posted in CropSafety, Pathology, Plant Pathology Crop Safety

SP2700 Crop Safety – 2022

Posted on March 30, 2022March 30, 2022

SP2700 is a new fungicide being developed by SePro for the control of diseases on environmental horticulture crops such as Alternaria, Cylindrocladium, Fusarium, Rhizoctonia, and Thielaviopsis.

Posted in CropSafety, Pathology, Plant Pathology Crop Safety

2021 Annual Report and Executive Director Message

Posted on March 22, 2022March 22, 2022 — Jennifer Heiss

The 2021 IR-4 Project Annual Report and Year-End Summary are now available.

Posted in Biopesticide & Organic, Environmental Horticulture Program, Food Use, News

Crop Vignette: Clematis

Posted on February 17, 2022February 21, 2022 — Allison Ballantyne, Cristi Palmer

Clematis have great variety in flower form, color, bloom season, plant height and fragrance; all factors that contribute to their reputation as “queen of the vines.”

Posted in Crop Vignette, Environmental Horticulture Program

Flumioxazin + Prodiamine Crop Safety – 2021

Posted on December 27, 2021

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

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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