SINCE 1828
oak wilt
nounDefinition 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
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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 This is driven by the oak wilt fungus that is so devastating to mature live oaks, red oaks and many other oaks as well. — Courtney Ortega, star-telegram, "Here, answers to most-asked questions on rose rosette, ‘dead’ shrubs, pruning and more," 9 Feb. 2018 According to Reichenbach, the biggest three threats to urban trees are oak wilt, the emerald ash borer and invasive plants such as common buckthorn. — Jennifer Rude Klett, Milwaukee Journal Sentinel, "Treasure in your yard: Trees need care and maintenance to thrive," 17 Sep. 2017These 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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