Comparison · cultivar
Rice varieties: IR8 vs IR64 vs IR36 vs Koshihikari vs Nipponbare
Compare Green-Revolution and reference rice varieties.
| Dimension | IR8 | IR64 | IR36 | Koshihikari | Nipponbare |
|---|---|---|---|---|---|
| Parent crop | Rice | Rice | Rice | Rice | Rice |
| Type | Inbred line (semi-dwarf indica) | Inbred line (indica) | Inbred line (indica) | Inbred variety (temperate japonica) | Inbred line (temperate japonica; reference cultivar) |
| Origin | Los Baños, Laguna (IRRI), Philippines | Los Baños, Laguna (IRRI), Philippines | Los Baños, Laguna (IRRI), Philippines | Central Japan (Hokuriku region), Japan | Japan |
| Maturity | Medium-duration | Medium-duration | Early-maturing | Early-to-mid season (temperate japonica) | — |
| Growth habit | Semi-dwarf, stiff-strawed, erect, high-tillering | Semi-dwarf, fertilizer-responsive | Semi-dwarf, early-maturing | Relatively tall with comparatively weak straw; prone to lodging | Temperate japonica plant type |
| Registry status | historical | historical | historical | historical | historical |
| Intended use | Staple food grain | Staple food grain | Staple food grain | Premium table rice (staple food grain) | Staple food grain, Reference material for rice genetics and genomics research |
| Quality traits | Bold, relatively coarse indica grain, Early IR8 was widely noted for cooking and eating quality considered inferior to preferred varieties of the time | Long, slender white grain, Intermediate amylose content associated with widely preferred cooking quality, Frequently used as a grain-quality and performance benchmark in indica rice breeding | Long, slender indica grain | Short, round japonica grain, Glossy appearance with sticky, tender cooked texture, Characteristic aroma and flavour associated with relatively low amylose content | Short, round japonica grain, Sticky, tender cooked texture typical of temperate japonica rice |
Methodology
Attributes read from each entry.
Limitations
- Performance is environment- and management-specific.
Sources
This article draws on the following authoritative sources. See our sources & methodology for how they are selected.
- [1]GRIN-Global / National Plant Germplasm System (opens in a new tab)Authoritative
USDA Agricultural Research Service (ARS)
- Type:
- Official registry
- Jurisdiction:
- United States / Global
- Accessed:
- 2026-07-12