: any of several destructive fungus diseases of the potato
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He has been hired by the British Ordnance Survey to map the territory and record the loss of hundreds of Irish tenant households following the potato blight – which neither the British government nor landlords did anything to assuage.—
Heller McAlpin,
Christian Science Monitor,
2 June 2026 Sunflowers also increase the risk of potato blight and release substances from their roots that can inhibit the growth of other nearby plants, including sweet potatoes—a phenomenon called allelopathy.—
Lauren Landers,
Better Homes & Gardens,
6 Apr. 2026 Even before the potato blight, there was a degree of hunger among the Irish rural underclass that seemed like an ugly remnant of a receding past.—
Fintan O'Toole,
The New Yorker,
10 Mar. 2025 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