leaf spot

noun

: any of various plant diseases characterized by discolored often circular spots on the leaves

Examples of leaf spot in a Sentence

Recent Examples on the Web Both tomatoes were bred using West Virginia ’63 as the parent fruit and boasted resistance to late blight as well as to Septoria leaf spot, a defoliating disease that exposes the fruit to sunburn. Ashley Stimpson, Washington Post, 15 June 2024 Common Pests & Plant Diseases Chinese snowball viburnum is rarely bothered by deer and known for good disease resistance to bacterial leaf spots and powdery mildew. Rebecca Bull Reed, Southern Living, 10 June 2024 Symptoms caused by nutrient deficiencies are generally grouped into five categories: 1) stunted growth; 2) chlorosis or yellowing; 3) leaf spots; 4) purplish-red coloring; and 5) necrosis or death of plant parts. Dr. Haiying Tao, Hartford Courant, 3 Feb. 2024 Beginning in August, a fungus called Cercospora leaf spot causes leaves to turn red and drop prematurely. Steve Bender, Southern Living, 10 May 2024 See all Example Sentences for leaf spot 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'leaf spot.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1846, in the meaning defined above

Time Traveler
The first known use of leaf spot was circa 1846

Dictionary Entries Near leaf spot

Cite this Entry

“Leaf spot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leaf%20spot. Accessed 4 Jul. 2024.

Last Updated: - Updated example sentences
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