Skip to content
IR4 Home Page
  • 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
    • 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 Project Request

Author: IR-4 Generic

Pydiflumetofen + Difenconazole Crop Safety – 2023

Posted on August 18, 2023March 25, 2024

Postiva (pydiflumetofen + difenoconazole) is a new fungicide registered by Syngenta for the control of foliar diseases of environmental horticulture crops. The IR-4 Project completed 43 crop safety trials

Posted in CropSafety, Pathology, Plant Pathology Crop Safety

Picarbutrazox Crop Safety – 2023

Posted on August 18, 2023March 25, 2024

Picarbutrazox is a novel fungicide with a new mode of action being developed by Nisso America for the control of oomycete diseases such as Bremia, Peronospora, Pseudoperonospora, Phytophthora,

Posted in CropSafety, Pathology, Plant Pathology Crop Safety

Nomination Period Now Open for 2023 Food Use Workshop

Posted on August 17, 2023August 17, 2023 — Hannah Ross

Watch the new video and submit your nominations.

Posted in NewsTagged 2023, food use workshop, PCR, project clearance request, project request, request for assistance, The IR-4 Project, video

Tolerance Success: Acifluorfen

Posted on August 2, 2023

Acifluorfen was registered for use on low-growing berries and edamame.

Posted in Food Use, Tolerance Success

People of IR-4: Bronson Hung

Posted on July 28, 2023June 28, 2025 — Raven E. Baez

Learn more about this gregarious Western Region Lab Analyst.

Posted in NewsTagged 2023, 60yearsofIR4, analytical lab, bronson hung, ir-4, ir-4 project, people of IR-4, researcher highlight, western region

New IR-4 Video Shows How to Complete a Project Clearance Request

Posted on July 27, 2023 — Hannah Ross

We invite stakeholders to learn more and get involved in our research cycle.

Posted in NewsTagged 2023, food use workshop, PCR, project clearance request, project request, request for assistance, The IR-4 Project, video

Powdery Mildew Efficacy Summary – 2023

Posted on July 11, 2023April 23, 2024

Powdery mildew is a highly recognizable disease with pronounced colonies of white on foliage and, for some species, on petals. Due to the high number of spored produced, powdery mildews often develop resistance quickly to fungicides.

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Tolerance Success: Glufosinate

Posted on July 7, 2023

Glufosinate was registered for use on tropical fruits, as well as grass grown for seed in the Pacific Northwest.

Posted in Food Use, Tolerance Success

Tolerance Success: Trifloxystrobin

Posted on July 7, 2023July 20, 2023

Trifloxystrobin was registered for use on brassicas, citrus fruits, spices and many more.

Posted in Food Use, Tolerance Success

Flutianil Crop Safety – 2023

Posted on June 29, 2023March 25, 2024

Flutianil is a new fungicide being developed by Nichino for the control of powdery mildew on environmental horticulture crops. The IR-4 Project completed 36 crop safety trials on 15 environmental

Posted in CropSafety, Pathology, Plant Pathology Crop Safety

Posts navigation

Older posts
Newer posts

IR-4 Project Headquarters
NC State University
1730 Varsity Drive
Venture IV, Suite 210
Raleigh, NC 27606
(919) 515-1552
ir-4_project@ncsu.edu

  • Upload Files
  • About IR-4
  • Contacts
  • Sign Up for Announcements
  • Facebook
  • Twitter
  • LinkedIn
  • YouTube

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 2022-79111-38469 and 2021-34383-34848 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.

NC State University promotes equal opportunity and prohibits discrimination and harassment based upon one’s age, color, disability, gender identity, genetic information, national origin, race, religion, sex (including pregnancy), sexual orientation and veteran status.

  • 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
    • 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 Project Request