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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
RRDI Rice Varieties
At 402
Variety name : At 402
Year of release : 1992
Pedigree : IR4432-52-6-4/Bg 90-2//76-3990/Ob678
Average yield : 6.7t/ha
Maturity : 115 days
Plant height : 85.0 cm
Basal leaf sheath colour : Green
Recommendation : Southern province
![RRDI_Rice_At402_Grain_new](https://doa.gov.lk/wp-content/uploads/2021/03/RRDI_Rice_At402_Grain_new.jpg)
![RRDI_Rice_At402_Rice](https://doa.gov.lk/wp-content/uploads/2020/05/RRDI_Rice_At402_Rice-300x200.jpg)
![RRDI_Rice_At402_Plant](https://doa.gov.lk/wp-content/uploads/2020/05/RRDI_Rice_At402_Plant-167x300.jpg)
Grain Quality Characteristics
Brown rice recovery | 78.40% |
Milling recovery | 72.30% |
Head rice recovery | 53.70% |
Amylose content | High |
Gelatinization temperature | Intermediate |
1000 grain weight | 23.7 g |
Grain shape | Long medium |
Pericarp colour | Red |
Bushel weight | 21.4 kg |
Buff colour presence | No |
Reaction to Pest and Disease
Blast | Bacterial Leaf Blight | Gall Midge | Brown Planthopper |
Susceptible | Moderately Susceptible | Resistant | Resistant/Moderately Resistant |
Grain Quality Characteristics
Brown rice recovery | 78.40% |
Milling recovery | 72.30% |
Head rice recovery | 53.70% |
Amylose content | High |
Gelatinization temperature | Intermediate |
1000 grain weight | 23.7 g |
Grain shape | Long medium |
Pericarp colour | Red |
Bushel weight | 21.4 kg |
Buff colour presence | No |
Reaction to Pest and Disease
Blast | Susceptible |
Bacterial Leaf Blight | Moderately Susceptible |
Gall Midge | Resistant |
Brown Planthopper | Resistant/Moderately Resistant |