Signs of an ash tree include a diamond bark pattern and a compound leaf. “Your single leaf will be attached to the twig. This is what’s going to pull off as a single leaf. You’ve got one ...

Emerald ash borers have become a major issue for many ash trees in parts of Maine.Maine Forest Service Entomologist Michael Parisio says these bugs are non-native, wood-boring beetles.Also read: Body ...

To develop breeding programs that will produce climate-resilient, emerald ash borer-resistant trees, it will be necessary to prioritize conservation of range-wide genomic diversity, according to ...

Each week, the Intro to Trees of Indiana web series will offer a sneak ... has been threatened due to the invasive beetle called the emerald ash borer. This species features opposite leaf arrangement, ...

Trees affected by ash dieback disease are set to be felled ... spores that travel tens of miles in the wind, landing on leaves. The fungus penetrates the leaf, and then grows inside the tree ...