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Author: IR-4 Generic

Mealybug Efficacy – 2023

Posted on April 28, 2023

Managing mealybugs and scale 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

Posted in Efficacy, Entomology, Entomology Efficacy

SP2478 Crop Safety – 2023

Posted on April 21, 2023April 23, 2024

SP2478 is a new fungicide being developed by SePro for the control of diseases on environmental horticulture crops such as powdery mildew and other diseases. The IR-4 Project completed

Posted in CropSafety, Pathology, Plant Pathology Crop Safety

Tolerance Success: Trinexapac-ethyl

Posted on April 6, 2023

Trinexapac-ethyl was registered for use on clover grown for seed.

Posted in Food Use, Tolerance Success

Tolerance Success: Mandestrobin

Posted on April 6, 2023

Mandestrobin was registered for use on tuberous and corm vegetables, except potato (subgroup 1D).

Posted in Food Use, Tolerance Success

IR-4 Aids in Expanded Fungicide Label for Ginseng Growers

Posted on March 31, 2023March 31, 2023 — David Kuack

Isofetamid is now an option for rusty root disease management on ginseng. Learn about IR-4’s work securing this new use through EPA.

Posted in Food Use, New Registrations, News, Success StoryTagged 2023, epa updates, food crop program, food crops, food use, fungal disease, ginseng, ir-4, ir-4 project, north central, specialty crops, wisconsin

EPA and FDA Consider Change in Pest Management Product Oversight

Posted on March 22, 2023March 23, 2023 — Hannah Ross, Michael Braverman, Philip Moore

Learn IR-4’s perspective on a potential change in honey bee product regulation.

Posted in Biopesticide & Organic, Biopesticide & Organic News, NewsTagged 2023, biopesticide regulatory support program, epa, epa updates, fda, honey bee, ir-4, ir-4 project, varroa mite

Tolerance Success: Penthiopyrad

Posted on March 3, 2023

Penthiopyrad was registered for use on banana.

Posted in Food Use, Tolerance Success

Tolerance Success: Pydiflumetofen

Posted on March 3, 2023

Pydiflumetofen was registered for us on the caneberry subgroup, greenhouse pepper, and greenhouse lettuce.

Posted in Food Use, Tolerance Success

Tolerance Success: Fluopyram

Posted on March 3, 2023

Fluopyram was registered for use on a wide range of herbs, spices, leafy greens, peas and pulses.

Posted in Food Use, Tolerance Success

Isoxaben + Dithiopyr Crop Safety – 2023

Posted on February 28, 2023April 19, 2024

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

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NC State University
1730 Varsity Drive
Venture IV, Suite 210
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This work is supported by project award nos. 2025-79111-45234 and 2022-79111-38469, from the U.S. Department of Agriculture’s National Institute of Food and Agriculture, with substantial cooperation and support from the State Agricultural Experiment Stations, USDA-ARS and USDA-FAS. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and should not be construed to represent any official USDA or U.S. Government determination or policy. 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.

  • About IR-4
    • Annual Reports
    • Careers
    • Contacts
      • Headquarters Staff
      • National Directory
      • Regional Field Coordinators
    • History
    • Mission & Vision
    • News
    • Outreach
    • Participants in the Process
  • Food Crops
    • Biopesticide Regulatory Support Program
    • Crop Grouping
    • 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 Project Request