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Researchers find ash trees evolving resistance to deadly fungal disease

British trees are evolving resistance to deadly ash dieback, reveals new research. Natural selection in woodlands is acting to combat the fungal disease that has devastated ash trees across Europe, ...
OPB

Invasive emerald ash borer could wipe out Oregon’s ash trees. Here’s how you can help

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 million ...
OPB

State scientists are planting thousands of Oregon Ash trees in invasive beetle territory, hoping to find rare natural resistance

The destructive Emerald Ash Borer beetle has been increasing its range in the U.S. for decades. After being found near Forest Grove in 2022, it’s been confirmed in five Oregon counties, as of ...
Portland Press Herald

Facing the devastation of its ash trees, Portland aims to diversify tree species

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Milwaukee Journal Sentinel

After 15 years, the emerald ash borer has left behind a potentially dangerous mess

TOWN OF ERIN -- The thousands of ash trees killed by the emerald ash borer across southern and central Wisconsin have not only become an eyesore, the trees that are still standing have become ...