The Weed Science Program’s goal at MSU is to provide science-based research and extension information on integrated weed management in field crops.

2025 Weed Control Guide Purchase the 2025 MSU Weed Control Guide for Field Crops here 2024 Research Results

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Upcoming Weed Events

  • Nov 13

    Pesticide Applicator Core Review and MDARD Core Testing – 11-13-2025 MSUFCU

    November 13, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. MSUFCU Headquarters, 3899 Coolidge Rd., East Lansing, MI

    A review of the Pesticide Applicators Core Manual to prepare for the MDARD Pesticide Applicators Certification Exam in the afternoon. THE CORE REVIEW IS MANDATORY TO PARTICIPATE IN THE IN-PERSON TESTING. Refreshments and light lunch will be served.

  • Dec 3

    Pesticide Applicator Core Review and MDARD Core Testing – 12-3-2025 Hillsdale

    December 3, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. MSU Extension Hillsdale County, 20 Care Dr., Suite B, Hillsdale, MI

    A review of the Pesticide Applicators Core Manual to prepare for the MDARD Pesticide Applicators Certification Exam in the afternoon. THE CORE REVIEW IS MANDATORY TO PARTICIPATE IN THE IN-PERSON TESTING. Refreshments and light lunch will be served.

  • Dec 5

    Pesticide Applicator Core Review and MDARD Core Testing – 12-5-2025 Sterling

    December 5, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. Deep River Township Hall - 525 E State Street, Sterling, MI

    A review of the Pesticide Applicators Core Manual to prepare for the MDARD Pesticide Applicators Certification Exam in the afternoon. THE CORE REVIEW IS MANDATORY TO PARTICIPATE IN THE IN-PERSON TESTING. Refreshments and light lunch will be served.

  • Jan 6

    Pesticide Applicator Core Review and MDARD Core Testing – Jan 6 2026 Bad Axe

    January 6, 2026 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. Huron Expo Center, 170 W. Soper Rd., Bad Axe, MI

    A review of the Pesticide Applicators Core Manual to prepare for the MDARD Pesticide Applicators Certification Exam in the afternoon. THE CORE REVIEW IS MANDATORY TO PARTICIPATE IN THE IN-PERSON TESTING. Refreshments and light lunch will be served.

  • Jan 8

    Pesticide Applicator Core Review and MDARD Core Testing –Jan 8 2026 Cadillac

    January 8, 2026 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. MSU Extension Wexford County, 401 N. Lake St., Suite 700, Cadillac, MI

    A review of the Pesticide Applicators Core Manual to prepare for the MDARD Pesticide Applicators Certification Exam in the afternoon. THE CORE REVIEW IS MANDATORY TO PARTICIPATE IN THE IN-PERSON TESTING. Refreshments and light lunch will be served.