Bremia
E727592
Bremia is a genus of downy mildew-causing oomycete plant pathogens best known for infecting lettuce and other members of the Asteraceae family.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Bremia canonical | 1 |
| Bremia lactucae | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8355213 — 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: Bremia Context triple: [Peronosporaceae, includesGenus, Bremia]
-
A.
Boehmeriopsis
Boehmeriopsis is a small genus of flowering plants in the hemp family Cannabaceae, native to parts of Asia and known for its herbaceous species.
-
B.
Kohlmeyeriella
Kohlmeyeriella is a genus of marine fungi within the order Lulworthiales, known for inhabiting and decomposing submerged wood and other marine substrates.
-
C.
Holboellia
Holboellia is a small genus of woody, often evergreen climbing plants known for their ornamental foliage and sausage-shaped fruits, native to East Asia.
-
D.
Beauveria
Beauveria is a genus of entomopathogenic fungi best known for species like Beauveria bassiana, which infect and kill insects and are widely used in biological pest control.
-
E.
Meliola
Meliola is a genus of parasitic fungi known for forming black, sooty coatings on the surfaces of plant leaves, particularly in tropical and subtropical 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: Bremia Target entity description: Bremia is a genus of downy mildew-causing oomycete plant pathogens best known for infecting lettuce and other members of the Asteraceae family.
-
A.
Boehmeriopsis
Boehmeriopsis is a small genus of flowering plants in the hemp family Cannabaceae, native to parts of Asia and known for its herbaceous species.
-
B.
Kohlmeyeriella
Kohlmeyeriella is a genus of marine fungi within the order Lulworthiales, known for inhabiting and decomposing submerged wood and other marine substrates.
-
C.
Holboellia
Holboellia is a small genus of woody, often evergreen climbing plants known for their ornamental foliage and sausage-shaped fruits, native to East Asia.
-
D.
Beauveria
Beauveria is a genus of entomopathogenic fungi best known for species like Beauveria bassiana, which infect and kill insects and are widely used in biological pest control.
-
E.
Meliola
Meliola is a genus of parasitic fungi known for forming black, sooty coatings on the surfaces of plant leaves, particularly in tropical and subtropical regions.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
genus
ⓘ
oomycete ⓘ plant pathogen ⓘ |
| affectsOrgan | leaves ⓘ |
| belongsToGroup | downy mildews ⓘ |
| bestKnownFor | infecting lettuce ⓘ |
| causes | downy mildew ⓘ |
| cellWallComponent | cellulose ⓘ |
| class | Oomycetes ⓘ |
| controlMethod |
crop rotation
ⓘ
fungicide applications ⓘ host plant resistance ⓘ sanitation ⓘ |
| diseaseType | foliar disease ⓘ |
| dispersal | airborne spores ⓘ |
| environmentPreference | cool humid conditions ⓘ |
| eukaryote | true ⓘ |
| family | Peronosporaceae ⓘ |
| host |
Cichorium
ⓘ
Lactuca sativa ⓘ Sonchus ⓘ Taraxacum ⓘ other Asteraceae species ⓘ |
| impact | economic losses in lettuce production ⓘ |
| isA |
downy mildew pathogen
ⓘ
obligate biotroph ⓘ |
| kingdom |
Stramenopila
ⓘ
linked to:
Chromista
|
| lifestyle | biotrophic ⓘ |
| notableSpecies |
Bremia lactucae
ⓘ
linked to:
Bremia
|
| notAFungus | true ⓘ |
| order |
Peronosporales
ⓘ
linked to:
Peronosporaceae
|
| parasitizes |
Asteraceae
ⓘ
lettuce ⓘ plants ⓘ |
| pathogenicOn |
cultivated lettuce
ⓘ
wild Asteraceae ⓘ |
| phylum | Oomycota ⓘ |
| reproduction |
asexual spores
ⓘ
sexual oospores ⓘ |
| symptom |
chlorosis
ⓘ
downy growth on leaf underside ⓘ leaf necrosis ⓘ |
| taxonRank | genus ⓘ |
| trophicMode | obligate parasite ⓘ |
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: Bremia Description of subject: Bremia is a genus of downy mildew-causing oomycete plant pathogens best known for infecting lettuce and other members of the Asteraceae family.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Bremia