[kluhb-root, -roo t]
Plant Pathology. a disease of cabbage and other cruciferous plants, characterized by enlarged, malformed roots, caused by a slime mold, Plasmodiophora brassicae.
Origin of clubroot
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a disease of cabbages and related plants, caused by the fungus Plasmodiophora brassicae, in which the roots become thickened and distorted
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012