Useful english dictionary. 2012.
hairy root disease — A disease of broad leaved plants, where a proliferation of root like tissue is formed from the stem. Hairy root disease is a tumorous state similar to crown gall, and is induced by the bacterium Agrobacterium rhizogenes, when containing an Ri… … Glossary of Biotechnology
brown root disease — noun : a disease of numerous plants (as cacao, coconut, tea, or rubber) throughout the eastern tropics caused by a fungus (Hymenochaete noxia) and characterized by defoliation and incrustation of the roots with masses of earth and stones held… … Useful english dictionary
Disease resistance in fruit and vegetables — There are a number of lines of defence against pests (that is, those animals that cause damage to the plants we grow) and diseases in the organic garden, principal among these being the practice of good husbandry, creating healthy soil and… … Wikipedia
Root-knot nematode — Larva of root knot nematode, Meloidogyne incognita, magnified 500×, shown here penetrating a tomato root Scientific classification Kingdom … Wikipedia
Root rot — is a condition found in both indoor and outdoor plants, although more common in indoor plants with poor drainage. As the name states, the roots of the plant rot. Usually, this is a result of overwatering. In houseplants, it is a very common… … Wikipedia
root canal therapy — root′ canal ther apy n. 1) den the branch of endodontics that treats disease of the dental pulp 2) den a treatment for such disease in which the pulp is removed and replaced by filling material … From formal English to slang
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 planing — noun (dentistry) A treatment for gum disease in which the parts of teeth below the gum are cleaned and smoothed • • • Main Entry: ↑root … Useful english dictionary
root rot — Disease characterized by root decay, caused by various fungi; one of the primary causes of death in cultivated cycads … Expanded glossary of Cycad terms
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
