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Nearly 50 of Penn State?EUR??,,????'?????<????????????EUR??,,??s elm trees have been infected with a deadly disease and some will be removed in November, university officials said. University officials first identified the disease in four trees in the fall of 2007.
The university has identified elm yellows disease in 47 elms on campus, 14 of which are located on the core campus, Office of Physical Plant (OPP) superintendent of grounds Jeff Dice said. Elms on Pattee Mall as well as Burrowes Street have been affected by the bacterial-like disease, which has no cure.
Removal of the affected trees will begin in November and continue through the winter, OPP spokesman Paul Ruskin said. The trees will be replaced with a variety of different trees, including, potentially, oak and sycamore trees, said Derek Kalp, an OPP landscape designer.
Source: Aubrey Whelan, The Daily Collegian Online, www.collegian.psu.edu
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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