Spruce bark beetles hijack their host tree’s chemical defenses, transforming them into potent weapons against fungal threats.

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Spruce bark beetles use the plant defense compounds in spruce bark as a protective mechanism. After feeding, they metabolize ...

Spruce bark is rich in phenolic compounds that protect trees from pathogenic fungi. A research team at the Max Planck ...

New research suggests trees’ bark, along with their resident microbes, may play a significant role in reducing atmospheric methane, a potent greenhouse gas. Trees have long been recognized for their ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

Here in New England, the pine bark beetle also seems to be causing more tree deaths than previously, and ecologists have ...

With bright colors and interesting shapes, unusual tree and shrub bark can add visual interest to winter landscapes. Many types of bark become more distinctive and sought after during winter months.

If you are looking for a tree with white bark for your garden or trying to identify a tree that you have recently seen, this page is designed to help. White-barked trees have an otherworldly beauty ...

Q: I recently purchased a home with several mature navel orange trees. One of the trees has about half the bark missing from the trunk and sort of circular looking lesions that ooze sap in the area ...