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![RRID- Bathalagoda LOGO RRID- Bathalagoda LOGO](https://doa.gov.lk/wp-content/uploads/elementor/thumbs/RRID-Bathalagoda-LOGO-oytklyeo2tjyxrrsc15wzqci0dt1clhcrbnamyokju.png)
- Address : Bathalagoda, Ibbagamuwa, Sri Lanka
- E- Mail : rrdi@doa.gov.lk
- Telephone : +94 372 258561
- Fax : +94 372 259881
- தமிழ்
RRDI Rice Varieties
Bg 450
Variety name : Bg 450
Year of release : 1985
Pedigree : Bg 12-1#2 / IR 42
Average yield : 5.3 t/ha
Maturity : 125 days
Plant height : 64.0 cm
Basal leaf sheath colour : Perpul
Recommendation : General cultivation
![](https://doa.gov.lk/wp-content/uploads/2020/06/RRDI_Bg450_Plant.jpg)
Grain Quality Characteristics
Brown rice recovery | 80.70% |
Milling recovery | 73.30% |
Head rice recovery | 66.40% |
Amylose content | High |
Gelatinization temperature | Intermediate |
1000 grain weight | 14.2 g |
Grain shape | Short Round |
Pericarp colour | White |
Bushel weight | 21.2 kg |
Buff colour presence | No |
Reaction to Pest and Disease
Blast | Bacterial Leaf Blight | Gall midge | Brown Planthopper |
Susceptible | Moderately Resistant / Moderately Susceptible | Resistant to Gall Midge-1 | Moderately Resistant / Moderately Susceptible |
Grain Quality Characteristics
Brown rice recovery | 80.70% |
Milling recovery | 73.30% |
Head rice recovery | 66.40% |
Amylose content | High |
Gelatinization temperature | Intermediate |
1000 grain weight | 14.2 g |
Grain shape | Short Round |
Pericarp colour | White |
Bushel weight | 21.2 kg |
Buff colour presence | No |
Reaction to Pest and Disease
Blast | Susceptible |
Bacterial Leaf Blight | Moderately Resistant / Moderately Susceptible |
Gall Midge | Resistant to Gall Midge-1 |
Brown Planthopper | Moderately Resistant / Moderately Susceptible |