oak wilt
noun Date: 1942 a destructive disease of oak trees that is caused by a fungus (Ceratocystis fagacearum) and is characterized by wilting, discoloration, and defoliation

New Collegiate Dictionary. 2001.

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  • Oak wilt — Scientific classification Kingdom: Fungi Division: Ascomycota Subdivision: Pezi …   Wikipedia

  • oak wilt — ☆ oak wilt n. a disease of oaks which plugs the vessels of the wood and makes the leaves wilt, caused by an ascomycetous fungus (Ceratocystis fagacearum) …   English World dictionary

  • oak wilt — oak′ wilt n. ppa a disease of oaks, characterized by wilting, discoloration, and loss of leaves, caused by a fungus, Ceratocystis fagacearum • Etymology: 1940–45, amer …   From formal English to slang

  • oak wilt — noun : a destructive disease of oak trees caused by a fungus (Chalara quercina) characterized by wilting and by yellow and red discoloration of the foliage that begins at the top or at the branch extremities and usually progresses downward and… …   Useful english dictionary

  • oak wilt — Plant Pathol. a disease of oaks, characterized by wilting and discoloration of the leaves and defoliation, usually starting at and spreading from the top of the tree and the ends of the branches, caused by a fungus, Chalara quercina. [1940 45,… …   Universalium

  • wilt — wilt1 /wilt/, v.i. 1. to become limp and drooping, as a fading flower; wither. 2. to lose strength, vigor, assurance, etc.: to wilt after a day s hard work. v.t. 3. to cause to wilt. n. 4. the act of wilting, or the state of being wilted: a… …   Universalium

  • Oak — Quercus redirects here. For other uses, see Quercus (disambiguation). This article is about oaks (Quercus). For other uses of Oak , see Oak (disambiguation). Oak Foliage and acorns of Quercus robur …   Wikipedia

  • oak — oaklike, adj. /ohk/, n. 1. any tree or shrub belonging to the genus Quercus, of the beech family, bearing the acorn as fruit. 2. the hard, durable wood of such a tree, used in making furniture and in construction. 3. the leaves of this tree, esp …   Universalium

  • Shumard Oak — Taxobox name = Shumard l Oak status = secure image width = 240px image caption = Leaves of a Shumard Oak in Austin, Texas regnum = Plantae divisio = Magnoliophyta classis = Rosopsida ordo = Fagales familia = Fagaceae genus = Quercus sectio =… …   Wikipedia

  • Wye Oak — The Wye Oak was the honorary state tree of Maryland, and the largest white oak tree in the United States. Located in the town of Wye Mills, in Talbot County, Maryland, the Wye Oak was believed to be over 460 years old at the time of its… …   Wikipedia

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