Since 2019, scientists at Penn State's Louis W. Schatz Center for Tree Molecular Genetics focused research efforts on Oregon ash (Fraxinus latifolia), a species that plays a critical role in the ...

This variability could inform the development of hardier ash trees, resistant to both the invasive beetles and rising ...

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades ...