oak wilt


Definition of oak wilt

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

Examples of oak wilt in a Sentence

Recent Examples on the Web Because of the small diameter of the stems, there is no danger from oak wilt. Calvin Finch, ExpressNews.com, "Calvin Finch: Texas Superstar ornamental, blooming plants for your San Antonio garden," 28 May 2020 On the local front, city officials remain mindful of isolated outbreaks of oak wilt in neighboring Cleveland, East Cleveland and Cleveland Heights. Thomas Jewell, cleveland.com, "Shaker seeks $50,000 in county’s new Healthy Urban Tree Canopy grant program," 11 Aug. 2019 Do note that this is not the time of year to prune oaks because of oak wilt. Neil Sperry, ExpressNews.com, "Neil Sperry: If it’s not Gold Star Esperanza, don’t bother planting it in your San Antonio garden," 19 Mar. 2020 Maintenance could include the removal of dead and dying trees, in some cases killed by ash borers or damaged by oak wilt, Sustainability Director Mike Foley said. Courtney Astolfi, cleveland.com, "Cuyahoga County awards nearly $1 million to cities, civic groups in County Executive Budish’s tree canopy restoration plan," 11 Sep. 2019 Banner is the toxic chemical that is often used to treat oak wilt in live oaks and red oaks. Howard Garrett, Dallas News, "How to solve problems with photinias without toxic chemicals," 6 Feb. 2020 Then the final component of Garrett Juice came about after an arborist buddy of mine discovered that adding a pH-lowering acid to his fish and seaweed sprays helped make the ingredients more bio-available to plants in his oak wilt work. Howard Garrett, Dallas News, "How to make this do-it-yourself organic fertilizer and pest control spray," 18 June 2019 Plant pathologists and arborists alike tell us that all pruning of oaks should be done between mid-July and Valentine’s Day because that’s when the oak wilt fungus is inactive in our trees. Neil Sperry, star-telegram, "Here’s your gardening to-do list for the second part of the summer," 11 July 2018 Ball moss is a cosmetic issue, but oak wilt is a real threat to the wellbeing of your live oak trees. San Antonio Express-News, "What to do with all those fallen live oak leaves," 23 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oak wilt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of oak wilt

1942, in the meaning defined above

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Last Updated

9 Jun 2020

Cite this Entry

“Oak wilt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oak%20wilt. Accessed 8 Jul. 2020.

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Britannica.com: Encyclopedia article about oak wilt

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