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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
Bg 403
Variety name : Bg 403 (Mahasen)
Year of release : 1993
Pedigree : 83-1026/Bg 379-2
Average yield : 6.0 t/ha
Maturity : 118 days
Plant height : 60.0 cm
Basal leaf sheath colour : Green
Recommendation : General cultivation



Grain Quality Characteristics
| Brown rice recovery | 79.3 % |
| Milling recovery | 72.2 % |
| Head rice recovery | 66.9 % |
| Amylose content | High |
| Gelatinization temperature | |
| 1000 grain weight | 23.9 g |
| Grain shape | Intermediate Bold |
| Pericarp colour | White |
| Bushel weight | 22.3 kg |
| Buff colour presence | No |
Reaction to Pest and Disease
| Blast | Bacterial Leaf Blight | Brown Planthopper |
| Moderately Resistant / Moderately Susceptible | Resistant / Moderately Resistant | Resistant / Moderately Resistant |
Grain Quality Characteristics
| Brown rice recovery | 79.3 % |
| Milling recovery | 72.2 % |
| Head rice recovery | 66.9 % |
| Amylose content | High |
| Gelatinization temperature | |
| 1000 grain weight | 23.9 g |
| Grain shape | Intermediate Bold |
| Pericarp colour | White |
| Bushel weight | 22.3 kg |
| Buff colour presence | No |
Reaction to Pest and Disease
| Blast | Moderately Resistant / Moderately Susceptible |
| Bacterial Leaf Blight | Resistant / Moderately Resistant |
| Brown Planthopper | Resistant / Moderately Resistant |
