By: Julia Steiner, Public Engagement Coordinator, Conservancy Programs
First observed in Ohio in 2012, Beech Leaf Disease (BLD) has since spread swiftly throughout the northeastern United States, reaching as far as Ontario, Canada. The disease affects seedlings, saplings and mature trees, and is believed to be caused by Litylenchus crenatae mccannii, an invasive nematode—or microscopic worm—that infiltrates the buds and leaves of American beech trees, depriving them of vital nutrients, gradually weakening the host and ultimately leading to its death. BLD poses a serious threat to the health and future of beech-dominant forest ecosystems.
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