A first-of-its-kind report shows more than 100 native species of trees in the lower 48 states are facing the threat of extinction due to invasive insects, diseases and climate change. A sweeping ...

A group of young cedar trees infected with blight - N. Mitchell/Shutterstock There's nothing quite as majestic and imposing as a fully-grown cedar tree with its broad horizontal branches and fragrant ...

This press release is also available in Spanish. Apple Scab and Fire Blight are two of the most important diseases affecting apple trees. The Venezuelan biologist, Alejandro Martínez Bilbao, has ...

Dothistroma needle blight is one of the most common fungal diseases of pines in Nebraska, resulting in sparse trees with thin canopies. Older, inner needles are affected first, causing premature ...

Do you have a mature pine tree with bunches of brown needles? It may be suffering from a fungal disease called diplodia tip blight. “Diplodia has become more common due to environmental stress and ...

In my previous column, "Spring watchfulness is key for trees and gardens," I touched on a big subject. In the intervening two weeks I saw some examples of tree disease problems worth mentioning. One ...

NASHVILLE, Tenn. (WKRN) — After a recent round of wintry weather, some Tennesseans woke up to find their trees coated in a sheet of ice, begging the question, “Are some trees more susceptible to ice ...

The arrival of new plant pests and diseases is likely to severely damage UK trees and woodlands in the coming decades, new research shows. The arrival of new plant pests and diseases is likely to ...