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root knot
Word Origin
noun
,
Plant Pathology.
1.
a disease of plants, characterized by galls or knots on the roots and stunted growth, caused by any of several nematodes of the genus
Meloidogyne.
Origin of
root knot
Expand
1885-1890
First recorded in
1885-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
root knot
in Science
Expand
root knot
A disease of plants characterized by protuberant swellings on the roots caused by infestation with nematodes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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