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

I was walking my puppy in my neighborhood earlier last week when I noticed an usual growth on the side of a large, dormant ...

If you take a close look at some of the more established trees in your landscape, you may notice something you cannot seem to describe – it may look to you like a kind of fungus on your tree trunk. Is ...

Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists ...

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...

Q: I recently noticed a black, tar-like patch on my tree trunk, though it’s not tacky like actual tar. Are these insect eggs? Dried sap? Do I try to scrape it off? The tree has lichen but I don’t ...

An interesting amber-colored mushroom is showing up in many gardens. It’s actually kind of pretty, but it’s scaring some folks, especially when tree care companies and arborists report that it is ...

Mushrooms commonly grow in lawns and gardens; you've likely seen mushrooms cropping up on your lawn after a long period of rain. Mushrooms are the visible fruiting bodies of fungi. They provide an ...

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

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen new to Pierce County brings an added concern: It can injure people. A research project using citizen ...

GRAND JUNCTION (AP) – A silent killer steadily encroaching on the most beloved of Western Slope fruit has moved into the crosshairs of peach growers and researchers. It’s a fungus so widespread that ...

If you take a close look at some of the more established trees in your landscape, you may notice something you cannot seem to describe – it may look to you like a kind of fungus on your tree trunk. Is ...