crown gall: meaning, definition, pronunciation and examples
C2Technical / Scientific / Horticultural
Quick answer
What does “crown gall” mean?
A plant disease characterized by tumor-like swellings (galls) typically on the crown (root-stem junction) and roots, caused by the bacterium Agrobacterium tumefaciens.
Audio
Pronunciation
Definition
Meaning and Definition
A plant disease characterized by tumor-like swellings (galls) typically on the crown (root-stem junction) and roots, caused by the bacterium Agrobacterium tumefaciens.
In phytopathology, it refers to both the disease and the visible tumorous growths, which can severely damage or kill infected plants, particularly fruit trees, roses, and grapevines. The term is sometimes used metaphorically in other contexts to describe a persistent, corrupting growth.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Pronunciations may differ subtly. Both use the same spelling and term.
Connotations
Identical technical meaning in both varieties.
Frequency
Equally low-frequency and confined to specialist discourse in both regions.
Grammar
How to Use “crown gall” in a Sentence
The [plant type] has crown gall.Crown gall is caused by [bacterium].[Bacterium] induces crown gall in [host plants].Vocabulary
Collocations
Examples
Examples of “crown gall” in a Sentence
verb
British English
- The nursery stock was crown-galled and unfit for sale.
- These varieties are known to crown gall easily in wet soils.
American English
- The vineyard was severely crown-galled after the flood.
- Avoid wounding the roots, or you risk crown galling the tree.
adverb
British English
- (Not used adverbially)
American English
- (Not used adverbially)
adjective
British English
- The crown-gall tissue was excised for analysis.
- We inspected for crown-gall symptoms.
American English
- A crown-gall-infected peach tree was removed.
- The crown-gall assay confirmed the pathogen's presence.
Usage
Meaning in Context
Business
Rare. Might appear in agricultural supply catalogs or phytosanitary regulations.
Academic
Primary context. Common in botany, plant pathology, microbiology, and horticulture journals.
Everyday
Virtually never used.
Technical
Core context. Used by gardeners, arborists, farmers, and plant scientists.
Vocabulary
Synonyms of “crown gall”
Strong
Neutral
Weak
Vocabulary
Antonyms of “crown gall”
Watch out
Common Mistakes When Using “crown gall”
- Misunderstanding 'crown' as a symbol of royalty.
- Using 'crown gall' to refer to any plant disease.
- Pronouncing 'gall' to rhyme with 'pail' (/ɡeɪl/); correct is /ɡɔːl/.
FAQ
Frequently Asked Questions
No, crown gall is a disease specific to plants. The bacterium does not infect humans or animals.
There is no cure. Infected plants often decline and die, especially if young. Management focuses on prevention, removal of galls, and using resistant varieties.
It refers to the 'crown' of the plant: the region where the stem and roots join, typically at or just below the soil surface, which is a common site for infection.
No. Crown gall involves tumorous growths caused by bacteria. Crown rot is a general term for decay in the same plant region, often caused by fungi or waterlogging.
A plant disease characterized by tumor-like swellings (galls) typically on the crown (root-stem junction) and roots, caused by the bacterium Agrobacterium tumefaciens.
Crown gall is usually technical / scientific / horticultural in register.
Crown gall: in British English it is pronounced /ˌkraʊn ˈɡɔːl/, and in American English it is pronounced /ˌkraʊn ˈɡɔːl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “(None - term is purely technical)”
Learning
Memory Aids
Mnemonic
Imagine a king's CROWN lying on the ground, and where it touches the base of a tree, a GALL (a gross, swollen lump) grows. Crown -> base of plant. Gall -> growth.
Conceptual Metaphor
CANCER / TUMOR (for plants). The disease is often described as a 'cancer-like' growth, a corrupting invasion that hijacks the plant's own cellular machinery.
Practice
Quiz
What is the primary cause of crown gall?