root knot
noun Date: 1889 a plant disease caused by nematodes that produce enlargements on the roots and stunt the growth of the plant

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • root-knot — rootˈ knot noun An enlargement of a root caused by a nematode • • • Main Entry: ↑root * * * n. a disease of cultivated flowers and vegetables caused by eelworm infestation, resulting in galls on the roots. ● The eelworms belong to the genus… …   Useful english dictionary

  • root knot — root′ knot n. ppa a disease of plants characterized by galls or knots on the roots and stunted growth, caused by any of several nematodes …   From formal English to slang

  • root knot — noun : a disease of many kinds of wild or cultivated plants caused by eelworms that produce characteristic enlargements on the roots and stunt the growth of the plant called also root gall; compare root knot nematode * * * Plant. Pathol. a… …   Useful english dictionary

  • root knot — Plant. Pathol. 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. [1885 90] * * * …   Universalium

  • Root-knot nematode — Larva of root knot nematode, Meloidogyne incognita, magnified 500×, shown here penetrating a tomato root Scientific classification Kingdom …   Wikipedia

  • root-knot nematode — noun Date: 1922 any of several small plant parasitic nematodes (genus Meloidogyne) that cause root knot …   New Collegiate Dictionary

  • root-knot nematode — noun also root knot eelworm : any of several small plant parasitic nematodes formerly regarded as varieties of a single species (Heterodera marioni) but now usually referred as separate species to the related genus Meloidogyne, invading roots of… …   Useful english dictionary

  • root-knot eelworm — noun see root knot nematode …   Useful english dictionary

  • Coffee root-knot nematode — Scientific classification Kingdom: Animalia Phylum: Nematoda Class: Secernentea …   Wikipedia

  • Northern root-knot nematode — Scientific classification Kingdom: Animalia Phylum: Nematoda Class: Secernentea …   Wikipedia

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