Converse of object

• stem: She presented a paper and poster on assessment of resistance to light leaf spot and stem canker in oilseed rape cultivars.

• cause: It occurs in UK, but is not known to cause cankers.

• bleed: However Q. robur and Q. petraea trees with oak decline do not usually exhibit bleeding cankers of the main stem.

Adjective modifier

• bacterial: Steve will also soon start work on a new MAFF project on bacterial canker of cherry.

• citrus: Importance: Limited strategies exist for suppression of citrus canker on more susceptible cultivars.

• rough: Bacterial canker is spread by splashing rain and can cause rough cankers with amber colored gum, sometimes leading to total tree collapse.

Preposition: on

• tree: There are no published reports of cankers on umbra tree caused by Fusarium species.

Modifies a noun

• sore: Cold sores should not be confused with canker sores, which are small ulcerations in the mouth.

• resistance: Fully 14 of the 19 varieties on the 2005/6 Recommended List ( 73 % ) have stem canker resistance ratings of less than 6.0.

• disease: Cryphonectria cubensis on an indigenous host in Brazil: a possible origin for eucalyptus canker disease?

• fungus: It affects the foliage and on young twigs causes lesions which may allow the canker fungus to gain entrance.

• symptom: Since 1999 typical canker symptoms have been observed in plants from Buenos Aires province, Argentina.

Preposition: of

• rape: Differentiating A and B groups of Leptosphaeria maculans, causal agent of stem canker of winter oilseed rape in the UK.

Preposition: with

• gum: Bacterial canker is spread by splashing rain and can cause rough cankers with amber colored gum, sometimes leading to total tree collapse.

Noun used with modifier

• stem: The origin of the lesions was traced to basal stem cankers ca.

• pitch: Current and potential impacts of pitch canker in Radiata pine.

• bark: In native oaks in the USA, Phytophthora ramorum causes bark cankers.

• coniothyrium: Factors associated with Coniothyrium canker of Eucalyptus in South Africa.

• pigeon: This fact sheet provides information on Trichomoniasis ( pigeon canker ), which infects approximately 80 % of all pigeons.

• stolon: A fungus was isolated from the leaf lesions and stem and stolon cankers.