Natural selection is acting upon thousands of locations within the ash tree DNA, driving the evolution of resistance as the ...

DNA sequencing shows young trees are more likely to have gene variants that confer partial resistance to a fungus that has ...

The Emerald Ash Borer has been detected in Denver nearly a decade after city officials began preparing for the invasive ...

The Mason City Council approved new program for homeowners who have dead or diseased ash trees on their property. The ...

But he said other interventions would be needed to give ash trees a helping hand, such as protecting trees from grazing deer ...

Research suggests new generation of young ash trees showing greater resistance to ash dieback fungus than adult trees.

The emerald ash borer, believed to be the most destructive insect ever to afflict trees in North America, has been confirmed for the first time in Omaha.

Efforts are being taken to accelerate the removal of diseased ash trees from boulevards in Coon Rapids.

Baseball bats don’t top the U.S. Senate’s agenda these days, as legislators grapple with a U.S. Supreme Court nomination, the covid-19 pandemic and the Nov. 3 election.

If you have ash trees on your property you hope to save, protecting them against emerald ash borer is a must, according to Davey Tree Expert Company of Canada. Matt Mayr, district manager of the Davey ...

The city plans to treat about 5,000 of the 11,000-plus trees on city property with an insecticide called emamectin benzoate, City Forester John Wynn said. The city has begun a ...

Weakened trees become more susceptible to environmental stresses and secondary pathogens. On ash trees, the buds, leaves, and sometimes twigs may become infected.