Heterodera glycines
E93303
Heterodera glycines is a plant-parasitic nematode known as the soybean cyst nematode, a major agricultural pest that significantly reduces soybean yields worldwide.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Heterodera glycines canonical | 2 |
| HeteroderaGlycines | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T776150 — 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: Heterodera glycines Context triple: [Nematoda, includesTaxon, Heterodera glycines]
-
A.
Meloidogyne incognita
Meloidogyne incognita is a highly destructive root-knot nematode species that parasitizes a wide range of crops, causing characteristic root galls and significant agricultural yield losses worldwide.
-
B.
Phytophthora infestans
Phytophthora infestans is a plant-pathogenic oomycete best known for causing potato late blight, the disease responsible for the devastating 19th-century Irish Great Famine.
-
C.
Rousselia
Rousselia is a genus of flowering plants in the hemp family Cannabaceae, native to tropical regions of the Americas.
-
D.
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.
-
E.
Glycine max
Glycine max is the cultivated soybean plant, a major legume crop grown worldwide for its protein- and oil-rich seeds used in food, feed, and industrial products.
- 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: Heterodera glycines Target entity description: Heterodera glycines is a plant-parasitic nematode known as the soybean cyst nematode, a major agricultural pest that significantly reduces soybean yields worldwide.
-
A.
Meloidogyne incognita
Meloidogyne incognita is a highly destructive root-knot nematode species that parasitizes a wide range of crops, causing characteristic root galls and significant agricultural yield losses worldwide.
-
B.
Phytophthora infestans
Phytophthora infestans is a plant-pathogenic oomycete best known for causing potato late blight, the disease responsible for the devastating 19th-century Irish Great Famine.
-
C.
Rousselia
Rousselia is a genus of flowering plants in the hemp family Cannabaceae, native to tropical regions of the Americas.
-
D.
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.
-
E.
Glycine max
Glycine max is the cultivated soybean plant, a major legume crop grown worldwide for its protein- and oil-rich seeds used in food, feed, and industrial products.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
plant-parasitic nematode
ⓘ
soybean pest ⓘ species ⓘ |
| belongsToGroup | cyst nematodes ⓘ |
| causes |
chlorosis in soybean
ⓘ
reduced soybean root growth ⓘ stunting of soybean plants ⓘ yield loss in soybean ⓘ |
| class | Secernentea ⓘ |
| commonName | soybean cyst nematode ⓘ |
| controlChallenge | long-term survival of eggs in soil ⓘ |
| cystLocation | on soybean roots ⓘ |
| diagnosticFeature |
brown cysts attached to soybean roots
ⓘ
lemon-shaped white to yellow females on roots ⓘ |
| distribution | worldwide in soybean-growing regions ⓘ |
| economicImpact |
major soybean yield reductions worldwide
ⓘ
most damaging pathogen of soybean in many regions ⓘ |
| family | Heteroderidae ⓘ |
| feedingSite | soybean root vascular tissue ⓘ |
| feedingType | sedentary endoparasite ⓘ |
| firstDescribedAs | Heterodera glycines Ichinohe, 1952 ⓘ |
| forms | cyst ⓘ |
| genus | Heterodera ⓘ |
| hostPlant | soybean ⓘ |
| impactCategory | major agricultural pest ⓘ |
| infectionStage | second-stage juvenile ⓘ |
| isPathogenOf | soybean ⓘ |
| kingdom | Animalia ⓘ |
| lifeStage |
adult female
ⓘ
adult male ⓘ egg ⓘ juvenile ⓘ |
| managementStrategy |
crop rotation
ⓘ
nematicides ⓘ resistant soybean cultivars ⓘ sanitation of field equipment ⓘ |
| namedAfter |
Glycine max
ⓘ
surface form:
Glycine (soybean genus)
|
| order | Tylenchida ⓘ |
| overwintersAs | eggs in cysts ⓘ |
| parasitizes |
Glycine max
ⓘ
soybean roots ⓘ |
| phylum | Nematoda ⓘ |
| reproductionType | sexual reproduction ⓘ |
| researchFocus |
host resistance in soybean
ⓘ
population virulence and race structure ⓘ |
| spreadBy |
contaminated farm machinery
ⓘ
movement of infested soil ⓘ |
| taxonRank | species ⓘ |
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: Heterodera glycines Description of subject: Heterodera glycines is a plant-parasitic nematode known as the soybean cyst nematode, a major agricultural pest that significantly reduces soybean yields worldwide.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
HeteroderaGlycines