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Post Author: David Kuack

David Kuack is a freelance technical writer in Fort Worth, Texas; dkuack@gmail.com.

IR-4 Aids California Rice Growers Battling Armyworms

Posted on May 23, 2024May 23, 2024 — David Kuack

Access to methoxyfenozide expands insecticide toolbox for future infestations in rice crops.

Posted in Food Use, News, Success Story

IR-4 Works With Weed Scientists to Expand Glufosinate Label

Posted on January 23, 2024February 16, 2024 — David Kuack

Explore some of IR-4’s work on this glyphosate alternative for weed control.

Posted in News, Success StoryTagged 2024, success story

The IR-4 Project Helps Growers Gain Ground on Lettuce Drop

Posted on August 30, 2023November 27, 2023 — David Kuack

In 2022, EPA approved the use of mandestrobin on lettuce for protection against lettuce drop.

Posted in Food Use, News, Success StoryTagged 2023, epa, food crop program, food crops, food use, ir-4, ir-4 project, lettuce, mandestrobin, specialty crops, tolerance

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

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

Ginseng and Lowbush Blueberry Growers Have New Tool in Fight Against Fungal Disease

Posted on July 12, 2022February 13, 2025 — David Kuack, Jennifer Heiss

Thanks to international partnerships and IR-4 research, ginseng and lowbush blueberry growers have a new tool to improve crop health and yields.

Posted in Food Use, News, Success StoryTagged ginseng, lowbush blueberry, Syngenta

Expanding Spider Mite Controls for Specialty Crops

Posted on December 22, 2020June 10, 2021 — David Kuack

IR-4 Project trial studies show cyflumetofen is an effective spider mite control on a variety of specialty crops. Spider mites can be a major pest on specialty crops including tomatoes, cucurbits, and strawberries. They can be a particularly difficult pest to control in southern states that produce food crops year-round. “Mites on strawberries are especially […]

Posted in Food Use, News, Success Story

Leveling the playing field for grape growers

Posted on December 3, 2020March 22, 2021 — David Kuack

U.S. grape growers gain the use of permethrin insecticide through IR-4-sponsored residual trials. The United States is the world’s third largest producer of grapes behind China and Italy. The U.S. Department of Agriculture reports that utilized grape production totaled 6.8 million tons in 2019. Grapes were produced on an estimated 935,000 acres with an average […]

Posted in Food Use, News, Success Story

Diamondback Moth: The Bane of Brassica Crop Growers

Posted on November 6, 2020March 23, 2021 — David Kuack

Trying to control the diamondback moth on brassica crops can be a major challenge, especially in those areas where crops are produced year-round. Diamondback moth (Plutella xylostella L.) is considered to be the most damaging pest of brassica crops worldwide. Growers of brassica crops, including cabbage, broccoli, cauliflower, kale, Brussel sprouts and collards, are very […]

Posted in Food Use, News, Success Story

Think Prevention to Control Spider Mites on Peanuts

Posted on September 25, 2020March 23, 2021 — David Kuack

With a limited number of miticides registered for use on peanuts, the best method to control spider mites is to minimize infestations. In these uncertain times, people look to comfort foods for something that tastes good and makes them feel good. One of these foods is peanut butter, which the HuffPost listed as one of […]

Posted in Food Use, Success Story

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IR-4 Project Headquarters
NC State University
1730 Varsity Drive
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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 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.

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  • 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