root-knot
root-knot ▶noun a disease of cultivated flowers and vegetables caused by eelworm infestation, resulting in galls on the roots. [The eelworms belong to the genus Meloidogyne, class Nematoda. ]
root-knot ▶noun [ mass noun ] a disease of cultivated flowers and vegetables caused by eelworm infestation, resulting in galls on the roots. ●The eelworms belong to the genus Meloidogyne, class Nematoda.