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Will Drews

WDrews@dnr.IN.gov
Will Drews's website

One article by this author

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Hornbeam Rust: An emerging rust disease in the US

May 2, 2025 - From Issue: 25-04
By: Will Drews
current distribution of hornbeam rust in the US
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During a nursery inspection in Owen County in 2024, I noticed an unusual yellowing of the leaves on some American Hornbeam (Carpinus caroliniana) trees (Fig 1). A look at the underside of the leaves revealed yellow-orange pustules, suggesting a rust fungus. After help from the Purdue Plant & Pest Diagnostic Lab, this fungal pathogen was[Read More…]

 Article Categories:
  • Plant Diseases
  • Trees, Shrubs, Vines
 Article Tags:
  • Carpinus
  • distribution
  • hornbeam
  • hornbeam rust
  • IDNR
  • invasive
  • rust

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This work is supported in part by Extension Implementation Grant 2021-70006-35390 / IND90001518G-1027053 from the USDA National Institute of Food and Agriculture