root rot

noun

: any of various plant diseases characterized by decay of the roots and caused especially by fungi

Examples of root rot in a Sentence

Recent Examples on the Web
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Powdery Mildew or Root Rot Minor cases of powdery mildew and root rot can sometimes be fixed by adjusting watering schedules and treating petunias with an organic fungicide. Lauren Landers, The Spruce, 14 July 2026 These flowers thrive in full sun and need well-draining soil to avoid root rot. Sj McShane, Martha Stewart, 11 July 2026 Plants that thrive in dry soils are also not suitable for cardboard mulching due to the risk of root rot. Patricia Shannon, Southern Living, 10 July 2026 Warm weather plus wet media is a fast track to root rot, Kondrat warns. Leanne Potts, Better Homes & Gardens, 27 June 2026 See All Example Sentences for root rot

Word History

First Known Use

1831, in the meaning defined above

Time Traveler
The first known use of root rot was in 1831

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Cite this Entry

“Root rot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/root%20rot. Accessed 16 Jul. 2026.

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