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- Address : Bathalagoda, Ibbagamuwa, Sri Lanka
- E- Mail : rrdi@doa.gov.lk
- Telephone : +94 372 258561
- Fax : +94 372 259881
RRDI Rice Varieties
Bw 400
Variety name : Bw 400
Year of release : 1981
Pedigree : Bw 259-3/bw 242-5-5
Average yield : 5.0 t/ha
Maturity : 120 days
Basal leaf sheath colour : Green
Recommendation : Saline & acidic soil



Grain Quality Characteristics
| Brown rice recovery | 79.10% |
| Milling recovery | 73.80% |
| Head rice recovery | 57.10% |
| Grain shape | Intermediate long |
| Pericarp colour | Red |
| Buff colour presence | Yes |
Reaction to Pest and Disease
| Blast | Gall Midge | Brown Planthopper |
| Susceptible | Moderately Susceptible | Susceptible |
Grain Quality Characteristics
| Brown rice recovery | 79.10% |
| Milling recovery | 73.80% |
| Head rice recovery | 57.10% |
| Grain shape | Intermediate long |
| Pericarp colour | Red |
| Buff colour presence | Yes |
Reaction to Pest and Disease
| Blast | Susceptible |
| Gall Midge | Moderately Susceptible |
| Brown Planthopper | Susceptible |
