crown gall


crown gall
noun
a bacterial disease of plants (especially pome and stone fruits and grapes and roses) which forms excrescences on the stem near the ground (Freq. 7)
Hypernyms: ↑plant disease
Hyponyms: ↑hairy root

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noun
1. : a disease of various plants especially destructive to pome and stone fruits, grapes, and roses caused by a bacterium (Agrobacterium tumefaciens) which forms tumorous enlargements mainly just below ground on the stem — see black knot 4, hairy root

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Plant Pathol.
1. a disease of peaches, apples, roses, grapes, etc., characterized by the formation of galls on the roots or stems usually at or below ground level, caused by a bacterium, Agrobacterium tumefaciens.
2. the gall itself.
[1895-1900]

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crown gall noun
A disease of plants, esp fruit trees, caused by a bacterium (Agrobacterium tumefaciens), forming tumours along roots and shoots
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Main Entry:crown

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crown gall,
a tumorous growth caused by a bacillus that occurs in all parts of the world and attacks a variety of crops, such as orchard trees, sugar beets, and raspberries.

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n. a bacterial disease of plants, esp. fruit bushes and trees, that is characterized by large tumorlike galls on the roots and lower trunk. This disease is caused by the soil bacterium Agrobacterium tumefaciens
a gall of this type

Useful english dictionary. 2012.

Look at other dictionaries:

  • crown-gall — ● crown gall, crown galls nom masculin (anglais crown gall, de crown, couronne, et gall, gale) Cancer végétal d origine bactérienne, dont les tumeurs siègent au niveau du collet de la plante, atteignant surtout les jeunes arbres fruitiers …   Encyclopédie Universelle

  • crown gall — Plant Pathol. 1. a disease of peaches, apples, roses, grapes, etc., characterized by the formation of galls on the roots or stems usually at or below ground level, caused by a bacterium, Agrobacterium tumefaciens. 2. the gall itself. [1895 1900]… …   Universalium

  • crown gall — Gall, or tumour, found in many dicotyledonous plants, caused by the bacterium Agrobacterium tumefaciens …   Dictionary of molecular biology

  • crown gall — noun a large tumour like gall on the roots or lower trunk of a tree, caused by a bacterium …   English new terms dictionary

  • crown gall — A tumorous growth at the base of certain plants characteristic of infection by Agrobacterium tumefaciens. The gall is induced by the transformation of the plant cell by portions of the Ti plasmid …   Glossary of Biotechnology

  • Crown-gall — Agrobacterium tumefaciens Agrobacterium tumefaciens Systematik Abteilung: Proteobacteria Klasse …   Deutsch Wikipedia

  • crown gall — noun Date: 1900 a disease that affects many species of plants and is caused by a bacterium (Agrobacterium tumefaciens) which forms tumorous enlargements usually just below the ground on the stem …   New Collegiate Dictionary

  • crown gall — noun A disease of plants caused by infection of soil bacteria of the genus Agrobacterium …   Wiktionary

  • crown gall — /ˈkraʊn gɔl/ (say krown gawl) noun a bacterial disease producing abnormal growths on fruit trees and other plants, caused by Agrobacterium tumefaciens …   Australian English dictionary

  • crown-galls — ● crown gall, crown galls nom masculin (anglais crown gall, de crown, couronne, et gall, gale) Cancer végétal d origine bactérienne, dont les tumeurs siègent au niveau du collet de la plante, atteignant surtout les jeunes arbres fruitiers …   Encyclopédie Universelle