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

2023 Event Dates: Industry Technology Session, Food Use Workshop, and EHC Workshop

Posted on February 27, 2023March 31, 2023 — Hannah Ross

Save these dates and stay tuned for more details!

Posted in Environmental Horticulture Program, Food Use, NewsTagged 2023, EHC, environmental horticulture, events, food use workshop, industry technology session, news, save the date

IR-4 Honors Outstanding Team Members with Awards at 2023 NEC

Posted on February 21, 2023March 3, 2023 — Hannah Ross

Employees honored with National Recognition of Excellence Awards, Technical and Meritorious Service Awards

Posted in NewsTagged 2023, blueberry, epa updates, food crop program, food crops, food use, ir-4, ir-4 project, specialty crops, sulfur dioxide

Tolerance Success: Rimsulfuron

Posted on February 15, 2023

Rimsulfuron was registered for use on pomegranate, as well as on crops from subgroup 23A (tropical and subtropical, small fruit, edible peel).

Posted in Food Use, Tolerance Success

The IR-4 Project Commemorates 60 Years of Impact

Posted on February 7, 2023February 7, 2023 — Hannah Ross

2023 marks 60 Years of IR-4. Read more about our project’s impacts and longevity.

Posted in NewsTagged 2023, 60yearsofIR4, ir-4, ir-4 project, news, pressrelease, specialty crops

Cooperative Effort Yields Powdery Mildew Control Product for Greenhouse Vegetables

Posted on February 2, 2023February 3, 2023 — David Kuack, Van Starner

EPA has approved new tolerances for Pyriofenone on greenhouse cucumbers and fruiting vegetables.

Posted in Food Use, New Registrations, News, Success Story, Tolerance SuccessTagged 2023, Canadian PMC, epa updates, final rule, food crop program, food crops, food use, greenhouse, Greenhouse Vegetables, ir-4, ir-4 project, PMC, powdery mildew, specialty crops

Beetle, Borer, Weevil & White Grub Efficacy – 2023

Posted on January 30, 2023April 23, 2024

Collectively, managing coleopteran insects can be challenging because the adult and larval stages may both cause damage and sometimes occur on different hosts or on different plant parts.

Posted in Efficacy, Entomology, Entomology Efficacy

EPA Approves Post-Harvest Tolerance for Blueberry Growers

Posted on January 23, 2023April 6, 2023 — Hannah Ross

EPA has approved a new tolerance for sulfur dioxide on blueberries. Read more here.

Posted in Food Use, News, Success StoryTagged 2023, blueberry, epa updates, food crop program, food crops, food use, ir-4, ir-4 project, specialty crops, sulfur dioxide

2023 IR-4 Project Research Symposium: Food Crops

Posted on January 18, 2023April 12, 2023

The IR-4 Project Research Symposium took place on Tuesday, April 11, 2023.

Posted in Events, Food Use, News

Mefentrifluconazole Crop Safety – 2023

Posted on January 3, 2023January 30, 2023

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

XDE-659 Crop Safety – 2022

Posted on December 23, 2022April 22, 2024

XDE-659 is a new fungicide being developed by Corteva for the control of Botrytis gray mold, powdery mildew and other foliar pathogens of environmental horticulture crops. The IR-4 Project completed 20

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