News
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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.