root knot
noun
: a plant disease caused by nematodes that produce enlargements on the roots and stunt the growth of the plant
Examples of root knot in a Sentence
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Try to find a spot for new okra plantings where root knot nematodes have not affected previous crops.
—
Tom MacCubbin, The Orlando Sentinel, 14 June 2025
Looking for varieties that resist root knot nematode or verticillium wilt or early blight or other common tomato problems?
—Nan Sterman, San Diego Union-Tribune, 5 Apr. 2025
University studies report the annual periwinkle is resistant to some forms of root knot nematode.
—Tom MacCubbin, Orlando Sentinel, 29 June 2024
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Tom MacCubbin, The Orlando Sentinel, 14 June 2025
Looking for varieties that resist root knot nematode or verticillium wilt or early blight or other common tomato problems?
—Nan Sterman, San Diego Union-Tribune, 5 Apr. 2025
University studies report the annual periwinkle is resistant to some forms of root knot nematode.
—Tom MacCubbin, Orlando Sentinel, 29 June 2024
Cite this Entry
“Root knot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/root%20knot. Accessed 31 Oct. 2025.
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