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Recent posts
  • Crop Vignette: Holly April 14, 2021
  • Tolerance Success: Quizalofop April 2, 2021
  • Tolerance Success: Clopyralid April 2, 2021
  • Tolerance Success: Streptomycin April 2, 2021
  • Tolerance Success: Benzovindiflupyr April 2, 2021

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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 2017-34383-27100, 2019-34383-29973, 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 US 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
    ▼
    • Careers
    • Glossary of Acronyms
    • History
    • IR-4 Outreach
    • Mission & Vision
    • News
    • Participants in the Process
    • What We Do
  • Programs
    ▼
    • Food Crops
    • Environmental Horticulture
    • Biopesticide & Organic Support
    • Public Health
  • Contacts: HQ, Regions, Directory
    ▼
    • HQ Staff
    • Regions & USDA-ARS
    • IR-4 National Directory
  • Workshops and Events
  • Upload Files
  • Submit a Request