Ophiostoma novo-ulmi
E24717
Ophiostoma novo-ulmi is a highly virulent fungal pathogen responsible for the most destructive modern pandemic of Dutch elm disease in elm trees worldwide.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ophiostoma novo-ulmi canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T184087 — 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: Ophiostoma novo-ulmi Context triple: [Ophiostoma ulmi, hasMoreAggressiveSuccessor, Ophiostoma novo-ulmi]
-
A.
Ophiostoma ulmi
Ophiostoma ulmi is a pathogenic fungus best known for causing the devastating tree epidemic known as Dutch elm disease.
-
B.
Ophiostoma
Ophiostoma is a genus of fungi best known for containing species that cause Dutch elm disease in elm trees.
-
C.
Dutch elm disease
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.
-
D.
Ophiostomataceae
Ophiostomataceae is a family of fungi that includes several important tree pathogens, notably species responsible for Dutch elm disease.
-
E.
European elm bark beetle
The European elm bark beetle is a small wood-boring beetle known for spreading the fungal pathogen that causes Dutch elm disease, which has devastated elm populations in many regions.
- 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: Ophiostoma novo-ulmi Target entity description: Ophiostoma novo-ulmi is a highly virulent fungal pathogen responsible for the most destructive modern pandemic of Dutch elm disease in elm trees worldwide.
-
A.
Ophiostoma ulmi
Ophiostoma ulmi is a pathogenic fungus best known for causing the devastating tree epidemic known as Dutch elm disease.
-
B.
Ophiostoma
Ophiostoma is a genus of fungi best known for containing species that cause Dutch elm disease in elm trees.
-
C.
Dutch elm disease
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.
-
D.
Ophiostomataceae
Ophiostomataceae is a family of fungi that includes several important tree pathogens, notably species responsible for Dutch elm disease.
-
E.
European elm bark beetle
The European elm bark beetle is a small wood-boring beetle known for spreading the fungal pathogen that causes Dutch elm disease, which has devastated elm populations in many regions.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
ascomycete
ⓘ
fungus species ⓘ plant pathogen ⓘ |
| causes | Dutch elm disease ⓘ |
| class | Sordariomycetes ⓘ |
| controlDifficulty | difficult to eradicate once established in elm populations ⓘ |
| diseaseType | vascular wilt disease ⓘ |
| dispersalMechanism |
insect-mediated dispersal
ⓘ
root graft transmission between elm trees ⓘ |
| economicImpact |
loss of timber and amenity value
ⓘ
severe loss of urban elms ⓘ |
| environmentalRequirement | temperate climates ⓘ |
| epidemiologicalRole | agent of modern Dutch elm disease pandemic ⓘ |
| family | Ophiostomataceae ⓘ |
| firstDescribedAs | distinct aggressive form of Dutch elm disease pathogen ⓘ |
| geographicDistribution |
Asia
ⓘ
Europe ⓘ North America ⓘ |
| hostRange | primarily Ulmus species ⓘ |
| hostTissueInfected |
vascular system of elm trees
ⓘ
xylem ⓘ |
| kingdom | Fungi ⓘ |
| managementStrategy |
control of elm bark beetle vectors
ⓘ
sanitation felling of infected elms ⓘ use of resistant elm cultivars ⓘ |
| notableCharacteristic |
more aggressive than Ophiostoma ulmi
ⓘ
responsible for second pandemic of Dutch elm disease ⓘ |
| order |
Ophiostomataceae
ⓘ
surface form:
Ophiostomatales
|
| parentTaxon | Ophiostoma ⓘ |
| pathogenicTo |
Ulmus
ⓘ
surface form:
Ulmus (elm trees)
|
| phylum | Ascomycota ⓘ |
| reproduction |
asexual reproduction
ⓘ
sexual reproduction ⓘ |
| sporeType |
ascospores
ⓘ
conidia ⓘ |
| spreadBy | elm bark beetles ⓘ |
| symptomInHost |
branch dieback
ⓘ
tree mortality ⓘ wilting of leaves ⓘ |
| taxonRank | species ⓘ |
| transmissionMode | insect-vectored ⓘ |
| vector |
Hylurgopinus rufipes
ⓘ
Scolytus spp. ⓘ |
| virulence | highly virulent ⓘ |
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: Ophiostoma novo-ulmi Description of subject: Ophiostoma novo-ulmi is a highly virulent fungal pathogen responsible for the most destructive modern pandemic of Dutch elm disease in elm trees worldwide.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.