Dutch elm disease
E987
Dutch elm disease is a devastating fungal infection spread by elm bark beetles that has killed millions of elm trees worldwide, particularly in Europe and North America.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dutch elm disease canonical | 7 |
| Dutch elm disease (via some species) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7950 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dutch elm disease Context triple: [American elm, susceptibleTo, Dutch elm disease]
-
A.
American elm
The American elm is a large, deciduous North American tree species historically prized for its vase-shaped form and use as a prominent shade and street tree.
-
B.
de Forest
de Forest is a surname most notably associated with Lee de Forest, an American inventor and early pioneer of radio and electronic communication.
-
C.
California redwood
The California redwood is a towering, long-lived coniferous tree native to the coastal and mountainous regions of California, renowned for being among the tallest and largest trees on Earth.
-
D.
Sununu
Sununu is a prominent American political family name most notably associated with former New Hampshire Governor and White House Chief of Staff John H. Sununu and his son, Governor Chris Sununu.
-
E.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dutch elm disease Target entity description: Dutch elm disease is a devastating fungal infection spread by elm bark beetles that has killed millions of elm trees worldwide, particularly in Europe and North America.
-
A.
American elm
The American elm is a large, deciduous North American tree species historically prized for its vase-shaped form and use as a prominent shade and street tree.
-
B.
de Forest
de Forest is a surname most notably associated with Lee de Forest, an American inventor and early pioneer of radio and electronic communication.
-
C.
California redwood
The California redwood is a towering, long-lived coniferous tree native to the coastal and mountainous regions of California, renowned for being among the tallest and largest trees on Earth.
-
D.
Sununu
Sununu is a prominent American political family name most notably associated with former New Hampshire Governor and White House Chief of Staff John H. Sununu and his son, Governor Chris Sununu.
-
E.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
fungal disease
ⓘ
plant disease ⓘ tree disease ⓘ |
| affectsOrgan |
vascular system
ⓘ
xylem ⓘ |
| affectsTaxon | Ulmus ⓘ |
| classification | vascular wilt disease ⓘ |
| controlMethod |
disruption of root grafts
ⓘ
fungicide injection into trees ⓘ insecticide treatment of elm bark beetles ⓘ removal of infected wood ⓘ sanitation felling of infected trees ⓘ |
| diseaseProcess |
blockage of water transport in tree
ⓘ
fungal colonization of xylem vessels ⓘ |
| environmentalCondition | favored by presence of elm bark beetle populations ⓘ |
| epidemicRegion |
Canada
ⓘ
Europe ⓘ North America ⓘ United Kingdom ⓘ United States of America ⓘ
surface form:
United States
|
| firstDescribedIn |
1920s
ⓘ
Netherlands ⓘ |
| hasCause |
Ophiostoma ulmi
ⓘ
surface form:
Ophiostoma himal-ulmi
Ophiostoma ulmi ⓘ
surface form:
Ophiostoma novo-ulmi
Ophiostoma ulmi ⓘ |
| hasResistantHost |
disease-resistant elm hybrids
ⓘ
some Asian elm species ⓘ |
| hasVector |
European elm bark beetle
ⓘ
elm bark beetle ⓘ native elm bark beetle ⓘ |
| hostRange |
American elms
ⓘ
Asian elms ⓘ European elms ⓘ |
| impact |
killed millions of elm trees
ⓘ
loss of mature street elms in cities ⓘ reduction of elm populations in natural forests ⓘ |
| namedAfter | Netherlands ⓘ |
| pathogenGenus | Ophiostoma ⓘ |
| pathogenType | ascomycete fungus ⓘ |
| preventionStrategy | planting resistant elm cultivars ⓘ |
| spreadBy |
movement of infected firewood
ⓘ
movement of infected nursery stock ⓘ |
| symptom |
branch dieback
ⓘ
brown streaks in sapwood ⓘ premature leaf drop ⓘ wilting leaves ⓘ yellowing leaves ⓘ |
| transmissionMethod |
insect-vectored
ⓘ
root graft transmission ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Dutch elm disease Description of subject: Dutch elm disease is a devastating fungal infection spread by elm bark beetles that has killed millions of elm trees worldwide, particularly in Europe and North America.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Dutch elm disease (via some species)