potato blight

noun

: any of several destructive fungus diseases of the potato

Examples of potato blight in a Sentence

Recent Examples on the Web
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Diseases such as wheat blast in Asia, which is projected to reduce global wheat production by 13% until 2050, potato blight in Europe, and rugose virus in Australia have all infiltrated new regions due to warmer temperatures and fluctuating humidity. Valeria Kogan, Forbes, 24 Feb. 2025 There are real-life examples of such disasters: Ireland’s Great Famine of the 1840s, for example, was driven by a potato blight disease that wiped out fields across the country and led to more than a million deaths. Ryan Kellman, NPR, 10 Sep. 2024 His work on the effects of the 1840s potato blight that caused famine in Ireland, and saw Boston’s demographics change dramatically in just a few years, was especially compelling. Kevin Cullen, BostonGlobe.com, 4 Apr. 2023 The famine was due to potato blight—a fungus that caused the degeneration of potato crops across the country, which was essentially the only crop Irish farmers could grow. Diego Lasarte, Quartz, 16 Mar. 2023 In Ireland in the eighteen-forties, a potato blight caused by the parasitic pathogen Phytophthora infestans resulted in a famine that killed around a million people and led nearly two million more to emigrate. Jerome Groopman, The New Yorker, 5 Dec. 2022 The Great Hunger began with potato blight, which destroyed Ireland’s dominant crop. Susan Dunne, courant.com, 28 Oct. 2021 In the 1840s, Reverend Miles Berkeley, also a botanist, identified the fungus behind Ireland’s potato blight, despite the clergy’s notion that the devil was to blame. Theresa MacHemer, Smithsonian Magazine, 24 Mar. 2020 The potato blight affected all of Europe, but government mismanagement resulted in catastrophe for the then British colony of Ireland. Carmel Mc Mahon, Longreads, 13 Nov. 2019

Word History

First Known Use

1845, in the meaning defined above

Time Traveler
The first known use of potato blight was in 1845

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Cite this Entry

“Potato blight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potato%20blight. Accessed 10 Mar. 2025.

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