root knot


noun Plant Pathology.

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

First recorded in 1885–90

Example sentences from the Web for root knot

  • On light, sandy soils a fairly good crop may be made, but on such soils, wilt and root-knot are dangerous foes.

    Agriculture for Beginners |Charles William Burkett

Scientific definitions for root knot

root knot

A disease of plants characterized by protuberant swellings on the roots caused by infestation with nematodes.