leaf curl

noun

Definition of leaf curl

: any of numerous plant diseases caused by ascomycetous fungi (genus Taphrina of the family Taphrinaceae) or viruses (especially genus Begomovirus of the family Geminiviridae) and characterized by curling of leaves especially : peach leaf curl

Examples of leaf curl in a Sentence

Recent Examples on the Web This kind of extreme leaf curl is usually due to stress of one sort of another. Neil Sperry, ExpressNews.com, "Pecans failing to mature a sign that spraying is needed," 26 Sep. 2019 Some leaf curling as well, but the blooms seem fine so far, though extremely slow to bloom. oregonlive.com, "When is the best time to harvest pears? Ask an Expert," 19 July 2019 Leaf Blisters + Curls Leaf blister and leaf curl are fungal diseases that cause distorted, curled leaves on many trees. The Editors Of Organic Life, Good Housekeeping, "Grow Healthy Food By Identifying + Treating These Common Plant Diseases," 21 July 2015 This is especially important with peaches and nectarines to fight leaf curl; use a spray that contains copper. Debbie Arrington, sacbee, "Warm weather speeds up garden clock," 9 Feb. 2018 They are supposed to be disease-resistant but have had a severe leaf curl problem since last season. OregonLive.com, "How to stop peach leaf curl, transplant tomatoes: Ask an Expert," 21 Apr. 2018 This is especially important with peaches and nectarines to fight leaf curl; use a spray that contains copper. Debbie Arrington, sacbee, "Warm weather speeds up garden clock," 9 Feb. 2018 This is especially important with peaches and nectarines to fight leaf curl; use a spray that contains copper. Debbie Arrington, sacbee, "Warm weather speeds up garden clock," 9 Feb. 2018 This is especially important with peaches and nectarines to fight leaf curl; use a spray that contains copper. Debbie Arrington, sacbee, "Warm weather speeds up garden clock," 9 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'leaf curl.' 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 leaf curl

1850, in the meaning defined above

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The first known use of leaf curl was in 1850

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Cite this Entry

“Leaf curl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leaf%20curl. Accessed 26 Oct. 2020.

More from Merriam-Webster on leaf curl

Britannica.com: Encyclopedia article about leaf curl

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