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6 Μαρ 2024 · This article discusses the cause of beech leaf disease (BLD), the lifecycle of this nematode (Litylenchus crenatae ssp. mccannii), the symptoms of BLD, and treatments. American beech that are impacted by beech leaf disease in central Pennsylvania.
- Under the canopy: Penn State researchers study beech leaf disease in PA ...
To help better understand the disease, the researchers are...
- Under the canopy: Penn State researchers study beech leaf disease in PA ...
29 Αυγ 2024 · Beech Leaf Disease is spreading rapidly in our region and poses a major threat to Pennsylvania's beech trees. Learn about identification and current management options.
30 Ιουλ 2024 · Beech trees make up about 9% of Pennsylvania's forests, according to the PA DCNR Bureau of Forestry. Before BLD, their biggest threat was beech bark disease, a disease caused when certain scale insects feed on American beech bark, leaving wounds that are then infected by a fungus.
18 Μαρ 2022 · Detecting Beech Leaf Disease. Leaves of beech tree with beech leaf disease. Beech leaf disease can be identified by its distinct effect on the leaves. Early symptoms will include dark stripes between the veins on the leaves -- these may be visible when looking up through the canopy.
25 Δεκ 2018 · Since its discovery, BLD has spread rapidly and can now be found in forests in 10 counties in Ohio, eight counties in Pennsylvania and five counties in Ontario, Canada. The initial symptoms of the disease appear as a dark green, interveinal banding pattern on the lower canopy foliage.
22 Ιουν 2023 · To help better understand the disease, the researchers are currently examining how beech leaf disease is affecting trees in Pennsylvania’s Allegheny National Forest. In collaboration with the U.S. Forest Service, they identified 50 sites within the forest that contained beech trees.
23 Ιουν 2023 · Beech trees affected by beech leaf disease produce leaves with a distinctive banded pattern, according to Penn State researchers. Credit: Mihail Kantor
