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  2. Girdling - Wikipedia

    en.wikipedia.org/wiki/Girdling

    Girdling. Girdling, also called ring-barking, is the circumferential removal or injury of the bark (consisting of cork cambium or "phellogen", phloem, cambium and sometimes also the xylem) of a branch or trunk of a woody plant. Girdling prevents the tree from sending nutrients from its foliage to its roots, resulting in the death of the tree ...

  3. Chestnut blight - Wikipedia

    en.wikipedia.org/wiki/Chestnut_blight

    Cryphonectria parasitica is a parasitic fungus of chestnut trees. This disease came to be known as chestnut blight. Naturally found in South East Asia, accidental introductions led to invasive populations of C. parasitica in North America and Europe. In the first half of the 20th century, the fungal disease had a devastating economic and social ...

  4. Tree injection - Wikipedia

    en.wikipedia.org/wiki/Tree_injection

    Tree injection. Trunk injection or endotherapy also known as vegetative endotherapy, [ 1 ][ 2 ][ 3 ] is a method of target-precise application of pesticides, [ 4 ][ 5 ][ 6 ] plant resistance activators, [ 7 ] or fertilizers [ 8 ] into the xylem vascular tissue of a tree with the purpose of protecting the tree from pests, or to inject nutrients ...

  5. Armillaria root rot - Wikipedia

    en.wikipedia.org/wiki/Armillaria_root_rot

    Armillaria root rot is a fungal root rot caused by several different members of the genus Armillaria. The symptoms are variable depending on the host infected, ranging from stunted leaves to chlorotic needles and dieback of twigs and branches. However, all infected hosts display symptoms characteristic of being infected by a white rotting fungus.

  6. Laminated root rot - Wikipedia

    en.wikipedia.org/wiki/Laminated_root_rot

    Infection occurs when roots of healthy trees grow in contact with infected roots. After initial contact with a living root, the mycelium grows on the bark, extending only a few millimeters into the surrounding soil. The mycelium penetrates the host through injured bark and advances proximally and distally along newly infected roots.

  7. Meripilus giganteus - Wikipedia

    en.wikipedia.org/wiki/Meripilus_giganteus

    Meripilus giganteus. Meripilus giganteus is a polypore fungus in the family Meripilaceae. It causes a white rot in various types of broadleaved trees, particularly beech (Fagus), but also Abies, Picea, Pinus, Quercus and Ulmus species. This bracket fungus, commonly known as the giant polypore or black-staining polypore, is often found in large ...