Posts Tagged ‘Beech Leaf Disease’

Monday, September 12, 2022

Free Webinar “Forest Pest Hunters: Surveying for Beech Leaf Disease” Scheduled for Sept. 15

ADIRONDACKS—Beech leaf disease is in the Adirondacks, and scientists need help gathering data on the newly emerging forest pest. To teach community scientists how to identify and report beech leaf disease, the Adirondack Park Invasive Plant Program will host a free webinar from 10 to 11:30 a.m. on Thursday, Sept. 15, called “Forest Pest Hunters: Surveying for Beech Leaf Disease.”

 

Beech leaf disease was first detected in Ohio in 2012 and in New York state in 2018. In 2022, the state Department of Environmental Conservation confirmed the presence of beech leaf disease in over 30 counties in New York including Herkimer County, the first documented infestation in the Adirondack region.  Beech leaf disease can kill mature beech trees in six to 10 years, while young trees can be killed in as little as two to three years.

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Monday, July 18, 2022

DEC: Public Encouraged to Report Potential Beech Leaf Disease Infections

On July 15, the New York State Department of Environmental Conservation (DEC) announced that Beech Leaf Disease (BLD), which affects all species of beech trees, was identified in 35 counties in New York State to date. The DEC began tracking BLD in 2018 after it was confirmed in Chautauqua County. Fourteen of the counties with BLD were confirmed in 2022, and more are likely to be identified.

“Many American beech trees are already heavily impacted by beech bark disease, but Beech Leaf Disease appears to be an even bigger threat,” said DEC Commissioner Basil Seggos. “The decline of beech in New York could have far-reaching consequences, including significant changes to the composition of our northern hardwood forests and the loss of a valuable food source for wildlife. Beech Leaf Disease affects all beech, so the impacts would also be felt in our urban forests where ornamental beech trees, including the popular copper beech cultivar, are widely used for landscaping and street trees.”

Much is still unknown about BLD, including how it spreads, but it can kill mature beech trees in six to 10 years and saplings in as little as two years. There is no known treatment for infected trees. BLD symptoms are associated with the nematode Litylenchus crenatae mccannii. It is unknown whether the nematode causes all of the damage, or if it is in association with another pathogen such as a virus, bacteria, or fungus.

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