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 ...

Tree seedlings can also be ordered by phone at 1-888-NCTREES (1-888-628-7337) or (919) 731-7988. Tree seedlings can be ordered using the order form in the FY25-26 Nursery Seedling Catalog.

Some national parks, like Sequoia and Redwood, are known for their ancient trees. But the world's oldest tree was from ...

Hope for Britain’s ash trees as study finds resistance evolving to killer fungus - Research suggests new generation of young ash trees showing greater resistance to ash dieback fungus than adult trees ...

In a search for solutions, Mattia tested more than 25,000 trees for both disease resistance and fruit quality. Many trees survived the disease but produced bitter, unusable fruit.

As the state's forests become weakened and stressed, they become more susceptible to insects and disease — even some that, at one time, posed little threat.

Using a pruner, cut a 3- to 4-inch-long piece of stem and let it dry for a day or two to form a callus. Then plant it in a ...

The Maryland Department of Agriculture announced there are worsening conditions of beech leaf disease in the state.

We suspect it increases resistance in the tree. We’re not sure if it’s directly affecting the nematode in some way, or if it’s just increasing resistance to (the disease).” ...

Vegetable gardens are producing, and this is the time of year we begin to see disease and insect issues. Here are a few ...