Most of the world’s tree species have a close relationship with the fungi, known as ectomycorrhizae, that grow on their roots. These form a dense network around the fine roots, supplying the trees ...

Tree Growth Regulators, commonly known as TGRs, have been around for decades and are well known in the utility vegetation management (UVM) industry. However, they tend to be viewed as a limited use ...

TONGASS NATIONAL FOREST, Alaska — The Sitka spruce soaring more than 180 feet skyward has stood on this spot on Prince of Wales Island for centuries. While fierce winds have contorted the towering ...

The soil equivalent of a faecal microbiome transplant and the effect of sprinkling rock dust are to both be tested at scale in tree-planting schemes to see if they can turbocharge the amount of carbon ...

Burls are bark-covered growths that can protrude from a tree’s trunk. They contain unsprouted bud tissue, and produce a wood that’s valued for its unique grain and smooth workability. Wolfgang Kaehler ...

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study shows. Bark beetle-infested spruce trees begin to dry out already before ...