- Address : Bathalagoda, Ibbagamuwa, Sri Lanka
- E- Mail : rrdi@doa.gov.lk
- Telephone : +94 372 258561
- Fax : +94 372 259881
RRDI Rice Varieties
Bg 300
| Variety name | : Bg 300 |
| Year of release | : 1987 |
| Pedigree | : Bg 367-7//IR 841/Bg 276-5 |
| Average yield | : 5.0 t/ha |
| Maturity | : 93 days |
| Plant height | : 72.2 cm |
| Basal leaf sheath colour | : Green |
| Regions recommended for farming | : General cultivation |



Grain Quality Characteristics
| Weight per bushel of paddy | 21.9 kg |
| 1000 grain weight | 26.8 kg |
| Brown rice recovery ( based on weight) | 80.30% |
| Milling recovery ( based on weight) | 74.50% |
| Head grain recovery ( based on weight) | 62.00% |
| Grain shape | Intermediate Bold |
| Pericarp colour | White |
| Amylose content | High |
| Gelatinization temperature | Intermediate |
| Presence of buff colour | No |
Resistance to Pests and Diseases
| Pest/Disease | Level Of Resistance |
| Blast | Moderately Resistant |
| Bacterial Leaf Blight | Moderately Resistant |
| Gall Midge | Resistant |
| Brown Planthopper | Moderately Resistant |
Grain Quality Characteristics
| Weight per bushel of paddy | 21.9 kg |
| 1000 grain weight | 26.8 kg |
| Brown rice recovery ( based on weight) | 80.30% |
| Milling recovery ( based on weight) | 74.50% |
| Head grain recovery ( based on weight) | 62.00% |
| Grain shape | Intermediate Bold |
| Pericarp colour | White |
| Amylose content | High |
| Gelatinization temperature | Intermediate |
| Presence of buff colour | No |
Resistance to Pests and Diseases
| Pest/Disease | Level Of Resistance |
| Blast | Moderately Resistant |
| Bacterial Leaf Blight | Moderately Resistant |
| Gall Midge | Resistant |
| Brown Planthopper | Moderately Resistant |
