A mysterious disease that is killing beech trees is spreading across parts of the United States. Scientists say the disease, known as Beech Leaf Disease, has been recorded in Ohio and Pennsylvania ...
They provided CO 2 enriched with a heavier carbon isotope (known as Carbon-13) to a young "donor" beech ... the fungus-colonized tissue and not in the rest of the roots of the recipient tree.
The American beech (Fagus grandifolia) is a medium to tall tree native to North America. A member of the Fagaceae family, this tree is closely related to other commonly known trees such as all species ...