Department of Plant, Soil and Microbial Sciences Weeds

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  Recognizing herbicide resistance in field crops

  Published on May 14, 2026
  Learn the clues pointing toward resistance issues when assessing herbicide performance on the May 21 Virtual Breakfast Series.

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  Southwest Michigan field crops update – May 14, 2026

  Published on May 14, 2026
  Wheat is at early Feekes 10 (awns or head emerging). Planting made great progress over the past week.

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  2026 Status of herbicide-resistant weeds in Michigan

  Published on May 13, 2026
  Herbicide resistance screening is conducted by MSU Plant & Pest Diagnostics every year. In 2025, there was a rise in waterhemp submissions.

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  Southwest Michigan field crops update – May 7, 2026

  Published on May 7, 2026
  Wheat is at Feekes 9 (flag leaf ligule visible) with the head moving up the stem toward Feekes 10 (head emerging). Early planted soybeans began to emerge.

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  Postemergence weed control in field crops

  Published on May 6, 2026
  The Field Crops Virtual Breakfast Series continues May 14 with an important discussion on postemergence weed control options for field crop production.

Complete listing of Articles

Upcoming Weed Events

• May 19

  Pesticide Applicator Core Review and MDARD Core Testing –May 19 2026 Monroe

  May 19, 2026 8:00AM – 5:00PM Check-in for the program is 8 to 8:30 a.m. Monroe Community College, 1555 S. Raisinville Rd. Monroe, MI. 48161

  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.

• May 21

  Field Crops Virtual Breakfast Series – Herbicide Resistance Update

  May 21, 2026 7:00AM – 8:00AM Online

  The Field Crops Virtual Breakfast Series is a weekly webinar for farmers, agribusiness professionals and anyone interested in agriculture to prepare for potential issues and navigate any concerns during the growing season.

• May 28

  Field Crops Virtual Breakfast Series – Michigan Dry Bean Update

  May 28, 2026 7:00AM – 8:00AM Online

  The Field Crops Virtual Breakfast Series is a weekly webinar for farmers, agribusiness professionals and anyone interested in agriculture to prepare for potential issues and navigate any concerns during the growing season.

• Jun 4

  Field Crops Virtual Breakfast Series – Integrated Pest Management in Sugar Beets

  June 4, 2026 7:00AM – 8:00AM Online

  The Field Crops Virtual Breakfast Series is a weekly webinar for farmers, agribusiness professionals and anyone interested in agriculture to prepare for potential issues and navigate any concerns during the growing season.

• Jun 11

  Field Crops Virtual Breakfast Series – Wheat Scouting and Management Considerations

  June 11, 2026 7:00AM – 8:00AM Online

  The Field Crops Virtual Breakfast Series is a weekly webinar for farmers, agribusiness professionals and anyone interested in agriculture to prepare for potential issues and navigate any concerns during the growing season.