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

  • Dec 19

    Integrated Crop and Pest Management Update for Agribusiness

    December 19, 2025 8:30AM – 4:00PM MSU STEM Building, Rooms 1130 and 1202 642 Red Cedar Rd East Lansing, MI 48823

    Join us to learn about the latest research on crop and pest management. 5 RUP (1A, Private Core) and 5.5 CCA (0.5 NM, 0.5 SW, 3.5 PM, 1 CM) credits available.

  • Jan 5

    Pesticide Safety Webinar Series: The RUP/CCA CEU Credit Clinic

    January 5, 2026 10:00AM – 2:00PM Online

    MSU’s Pesticide Safety Education Program offers virtual training series for applicators and ag professionals, covering pesticide safety, Endangered Species Act compliance, environmental protection and best practices in application and equipment use.

  • 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 7

    Pesticide Safety Webinar Series: The RUP/CCA CEU Credit Clinic

    January 7, 2026 10:00AM – 2:00PM Online

    MSU’s Pesticide Safety Education Program offers virtual training series for applicators and ag professionals, covering pesticide safety, Endangered Species Act compliance, environmental protection and best practices in application and equipment use.

  • 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.