Help you spot the leaf striping associated with beech leaf disease.īecause so much about this disease is unknown, finding new infestations can help us learn more about how BLD spreads. The backlighting seen when looking up into the forest canopy can Bronx, Dutchess, Kings,Nassau, Orange, Putnam, Queens, Richmond, Rockland, Suffolk, Sullivan, and Westchester counties in southeastern New York.Central NY: Cayuga, Chenango, Cortland, Madison, Oswego, Tioga, and Tompkins counties.Western NY: Allegany, Cattaraugus, Chautauqua, Chemung, Erie, Genesee, Livingston, Monroe, Niagara, Ontario, Orleans, Schyler, Steuben, Wayne, Wyoming, and Yates counties.Known Locations in New York and Neighboring StatesĪs of September 2022, beech leaf disease has been found in: A single tree can contain both heavily infected and unaffected branches. Leaf loss has been recorded only in heavily affected trees, but would be noticeable in summer months. Reduced leaf and bud production may also occur. Eventually, affected leaves wither, dry, and yellow. In early infestations, only a few leaves may be affected. These symptoms may be visible from leaf out in May until leaves fall off in October and are most easily noticed by looking up into the forest canopy. Symptoms of this disease are seen in the leaves and include striping, curling, and/or leathery texture. Beech is particularly valued in the forest for hosting nesting sites and providing nuts for birds, black bears, and other wildlife.
In New York State where our predominant forest type is beech/birch/maple, beech is one of the most common forest species.
Leaf symptoms caused by beech leaf diseaseīeech leaf disease can kill beech trees of all ages in 2 to 7 years, though younger trees appear to die more quickly.
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