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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2022 MSU Weed Control Guide for sale

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Upcoming Weed Events

  • Mar 11

    Pesticide Applicator Core Review and MDARD Core Testing – 3-11-25 West Branch

    March 11, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. Ogemaw County Office - 205 S. Eight St., West Branch, MI 48661

    A review of the Core Pesticide Applicators 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.

  • Mar 13

    Pesticide Applicator Core Review and MDARD Core Testing – 3-13-25 Jackson

    March 13, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. MSU Extension Jackson County - 1715 Lansing Ave., Room CR005, Jackson, MI 49202

    A review of the Core Pesticide Applicators 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.

  • Mar 26

    Pesticide Applicator Core Review and MDARD Core Testing – 3-26-25 Three Rivers

    March 26, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. GreenMark Equipment Dealership - 16700 Heimbach Rd., Three Rivers, MI 49093

    A review of the Core Pesticide Applicators 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.

  • Mar 28

    Pesticide Applicator Core Review and MDARD Core Testing – 3-28-25 Owosso

    March 28, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. Caledonia Township Hall, 135 N. State Rd., Owosso, MI 48867

    A review of the Core Pesticide Applicators 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.

  • Apr 1

    Pesticide Applicator Core Review and MDARD Core Testing – 4-01-25 Frankenmuth

    April 1, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. Saginaw Valley Research and Extension Center - 3775 S. Reese Rd., Frankenmuth, MI 48734

    A review of the Core Pesticide Applicators 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.