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News

  • Suspect herbicide resistance? Submit weed seeds for screening

    Published on October 19, 2022
    Collect weed seeds September-October to submit for herbicide resistance screening.

  • Leaf scorch or oak wilt: What’s plaguing my tree?

    Published on September 26, 2022
    Browning of oak leaves may be caused by environmental stress rather than oak wilt.

  • 2022 status of herbicide-resistant weeds in Michigan

    Published on September 10, 2022
    Each year new herbicide resistance cases are identified by MSU Plant & Pest Diagnostics

  • Winter injury on shrubs following combined environmental stresses

    Published on June 24, 2022
    MSU Plant & Pest Diagnostics and MSU Extension have seen an uptick in the number of winter injury cases in spring 2022.

  • Broadleaf helleborine: A weedy orchid invading lawns and flowerbeds

    Published on June 24, 2022
    Updated methods for combating broadleaf helleborine.

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Plant & Pest Diagnostics

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Plant & Pest Diagnostics

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