When tree bark was infected with a type of fungus that wasn’t beneficial to the beetle – and which produced different chemical compounds – the insects weren’t attracted to the wood. “The ...

Keep your maples healthy & hearty by learning to recognize common maple tree diseases & knowing how to prevent or treat them ...

Walter Reeves answers Atlanta-area lawn and garden questions, including what caused bark to fall off an oak tree, and the best plant to grow in a shady area.

The team performed experiments in a lab on captive bark beetles and samples of Norway spruce bark. The experiments found that the fungus breaks down monoterpenes–chemicals present in tree bark ...

Q. My 20-something-old redbud tree has developed lichens on the trunk, which is a first. Do I have a problem and is there anything I should do? I have another one in the yard which doesn’t have ...

Elms in the Alberta Avenue neighbourhood are being felled as another case of a deadly and highly contagious fungal disease ...

Frequent issues include fungal diseases such as anthracnose, powdery mildew, and canker stain. If you notice discolored, ...

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 missing the bark (see the photos I have included). Any advice would ...

The fungus is thought to clog up a tree’s vascular system, depriving it of water and nutrients. At first, the fungus grows stealthily, undetected, underneath a tree’s bark. Eventually, the ...

Lichens are often seen growing on the bark of trees, and while they might seem like a threatening addition, they actually provide significant advantages for the health and well-being of trees ...