[ohk-root, -roo t]
noun Plant Pathology.
a disease of oaks and other trees and woody plants, caused by the fungus Amillariella mellea (oak-root fungus), the fruiting body of which is the honey mushroom, and characterized by rotting roots, girdling of crown, and eventual death of the tree.
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RIHRead more in this article about some frequently asked questions and fun facts related to our definitions.
- oak wilt,
- oak-apple day,
- oak-leaf cluster,
- oak-leaf hydrangea,
- oak-leaved geranium,
Also called shoestring root rot.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019