canker n : an ulceration (especially of the lips or lining of the mouth)
1 become infected with a canker
2 infect with a canker
Etymologycanker, cancre, cancer (akin to Dutch kanker, Old High German chanchar.), From cancer a cancer; or if a native word, compare Greek excrescence on tree, gangrene. Compare also Old French cancre, French chancere, from Latin cancer. See cancer, and compare chancre.
- Rhymes with: -æŋkə(r)
- A plant disease marked by gradual decay.
- A corroding or sloughing ulcer; especially a spreading gangrenous ulcer or collection of ulcers in or about the mouth. -- called also.
- Anything which corrodes, corrupts, or destroys.
- A kind of wild, worthless rose; the dog rose.
- An obstinate and often incurable disease of a horse's foot, characterized by separation of the horny portion and the development of fungoid growths. Usually resulting from neglected thrush.
- An avian disease affecting doves, poultry, parrots but also birds of prey caused by Trichomonas gallinae
plant disease marked by gradual decay
- Russian: рак (rak)
- This article is about the plant disease. For the human condition, see mouth ulcer.
Some cankers are treatable with fungicides or bactericides, but many are not; often the only treatment available is to destroy the infected plant to prevent the disease from spreading to other plants.
- Apple canker, caused by the fungus Nectria galligena
- Ash bacterial canker, caused by the bacterium Pseudomonas syringae
- Butternut canker, caused by the fungus Sirococcus clavigignenti-juglandacearum
- Citrus canker, caused by the bacterium Xanthomonas axonopodis
- Cypress canker, caused by the fungus Seridium cardinale
- Dogwood anthracnose, caused by the fungus Discula destructiva
- Grape canker, caused by the water mould Eutypa lata
- Honey locust canker, caused by the fungus Thyronectria austro-americana
- Mulberry canker, caused by the fungus Gibberella baccata
- Oak canker, caused by the fungus Diplodia quercina
- Pine pitch canker, caused by the fungus Fusarium pini
- Plane anthracnose, caused by the fungus Apiognomonia veneta
- Poplar canker, caused by the bacterium Xanthomonas populi
- Rapeseed stem canker, caused by the blackleg fungus Leptosphaeria maculans
- Rose cankers, caused by the fungus Leptosphaeria coniothyrium and Cryptosporella umbrina
- Scleroderris canker, caused by the fungus Gremmeniella abietina
- Willow anthracnose, caused by the fungus Marssonina salicicola
canker in German: Baumkrebs
canker in Spanish: Antracnosis
canker in French: Chancre (botanique)
canker in Lithuanian: Deguliai
canker in Turkish: Bakteri yaprak lekesi
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