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 2023 Research Results

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2022 MSU Weed Control Guide for sale

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Upcoming Weed Events

  • Jan 21

    Pesticide Applicator Core Review and MDARD Core Testing January 21 at Great Lakes Trade Expo

    January 21, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. 2025 Great Lakes Trade Expo- 303 Monroe Avenue NW, Grand Rapids, MI 49503

    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.

  • Jan 23

    Pesticide Applicator Core Review and MDARD Core Testing – 1-23-25 Lenawee

    January 23, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. MSU Extension Lenawee County - 1040 S. Winter St. Ste. 2020, Adrian, MI 49221

    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.

  • Feb 4

    Pesticide Applicator Core Review and MDARD Core Testing – 2-04-25 Cadillac

    February 4, 2025 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. Career Tech Center - 9905 East 13th Street, Cadillac, MI 49601

    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.

  • Feb 6

    Pesticide Applicator Core Review and MDARD Core Testing – 2-06-25 Bad Ax

    February 6, 2025 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 48413

    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.

  • Feb 17

    Branch County Farmers Day Field Crops Educational Sessions

    February 17, 2025 8:00AM – 12:00PM Branch Area Careers Center, 366 Morse St, Coldwater, MI 49036

    On February 17 you will have the opportunity to connect with neighbors, stakeholders, and MSU Extension staff and learn more about timely topics on irrigation, business management, crop and pest management, and regenerative agriculture.