root galls

См. также в других словарях:

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

• 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 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 — 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

• 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

• Leifsonia — Taxobox color = lightgrey name = Leifsonia xyli regnum = Bacteria phylum = Actinobacteria ordo = Actinomycetales suborder = Micrococcineae familia = Microbacteriaceae subsp = xyli genus = Leifsonia binomial = Leifsonia xyli subdivision ranks =… …   Wikipedia

• plant disease — ▪ plant pathology Introduction       an impairment of the normal state of a plant that interrupts or modifies its vital functions.       All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …   Universalium

• homopteran — /heuh mop teuhr euhn, hoh /, adj. 1. homopterous. n. 2. a homopterous insect. [1835 45; see HOMOPTEROUS, AN] * * * ▪ insect order Introduction   any of more than 32,000 species of sucking insects, the members of which exhibit considerable… …   Universalium