IR64 rice variety
E40486
IR64 rice variety is a high-yielding, widely cultivated indica rice cultivar known for its good grain quality, disease resistance, and major impact on food security in Asia.
All labels observed (2)
| Label | Occurrences |
|---|---|
| IR64 rice variety canonical | 2 |
| IRRI Rice 64 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T308720 — 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: IR64 rice variety Context triple: [International Rice Research Institute, developed, IR64 rice variety]
-
A.
IR36 rice variety
IR36 rice variety is a high-yielding, early-maturing, and pest-resistant rice cultivar that became one of the world’s most widely planted “Green Revolution” rice varieties.
-
B.
IR8 rice variety
IR8 rice variety is a high-yielding semi-dwarf rice strain that sparked the Green Revolution in Asia by dramatically increasing rice production.
-
C.
Oryza sativa
Oryza sativa is the domesticated Asian rice species that serves as a staple food crop for over half of the world’s population.
-
D.
international rice genebank
The international rice genebank is a global repository that conserves and provides access to a vast diversity of rice genetic resources for breeding, research, and food security.
-
E.
International Rice Research Institute
The International Rice Research Institute is a leading agricultural research organization that played a pivotal role in the Green Revolution by developing high-yielding rice varieties and advancing rice production technologies worldwide.
- 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: IR64 rice variety Target entity description: IR64 rice variety is a high-yielding, widely cultivated indica rice cultivar known for its good grain quality, disease resistance, and major impact on food security in Asia.
-
A.
IR36 rice variety
IR36 rice variety is a high-yielding, early-maturing, and pest-resistant rice cultivar that became one of the world’s most widely planted “Green Revolution” rice varieties.
-
B.
IR8 rice variety
IR8 rice variety is a high-yielding semi-dwarf rice strain that sparked the Green Revolution in Asia by dramatically increasing rice production.
-
C.
Oryza sativa
Oryza sativa is the domesticated Asian rice species that serves as a staple food crop for over half of the world’s population.
-
D.
international rice genebank
The international rice genebank is a global repository that conserves and provides access to a vast diversity of rice genetic resources for breeding, research, and food security.
-
E.
International Rice Research Institute
The International Rice Research Institute is a leading agricultural research organization that played a pivotal role in the Green Revolution by developing high-yielding rice varieties and advancing rice production technologies worldwide.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
high-yielding rice variety
ⓘ
indica rice cultivar ⓘ rice variety ⓘ |
| abbreviationOf | International Rice 64 ⓘ |
| adaptedTo |
irrigated lowland ecosystems
ⓘ
tropical environments ⓘ |
| breedingGoal |
disease and pest resistance
ⓘ
high yield with good grain quality ⓘ |
| cultivatedIn |
Asia
ⓘ
Bangladesh ⓘ India ⓘ Indonesia ⓘ Philippines ⓘ South Asia ⓘ Southeast Asia ⓘ Sri Lanka ⓘ Vietnam ⓘ
linked to:
Viet Nam
|
| developedBy | International Rice Research Institute ⓘ |
| hasAmyloseContent | intermediate amylose content ⓘ |
| hasCookingQuality | soft-cooking rice ⓘ |
| hasGrainColor | translucent white ⓘ |
| hasGrainQuality | good grain quality ⓘ |
| hasGrainType | long-grain rice ⓘ |
| hasGrowthDurationDays | about 110–120 days ⓘ |
| hasImpactOn |
food security in Asia
ⓘ
rice production in Asia ⓘ |
| hasMarketPreference | consumer-acceptable grain quality ⓘ |
| hasMaturityDuration | medium-duration variety ⓘ |
| hasNotableFeature | one of the most widely grown modern rice varieties in the world ⓘ |
| hasPanicleType | compact panicle ⓘ |
| hasPhotoperiodResponse | photoperiod-insensitive ⓘ |
| hasPlantHeight | semi-dwarf ⓘ |
| hasSpecies | Oryza sativa ⓘ |
| hasSubspecies |
Oryza sativa subsp. indica
ⓘ
linked to:
Oryza sativa
|
| hasTrait |
disease resistance
ⓘ
good eating quality ⓘ good grain appearance ⓘ high yield potential ⓘ lodging resistance ⓘ wide adaptability ⓘ |
| hasUse |
breeding parent in rice improvement
ⓘ
staple food rice ⓘ |
| releasedInDecade | 1980s ⓘ |
| resistantTo |
bacterial leaf blight (some races)
ⓘ
blast disease (some races) ⓘ brown planthopper (some biotypes) ⓘ |
| usedAsParentFor | many modern rice varieties ⓘ |
| widelyAdoptedBy | smallholder farmers ⓘ |
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: IR64 rice variety Description of subject: IR64 rice variety is a high-yielding, widely cultivated indica rice cultivar known for its good grain quality, disease resistance, and major impact on food security in Asia.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.