- த

- Address : Bathalagoda, Ibbagamuwa, Sri Lanka
- E- Mail : rrdi@doa.gov.lk
- Telephone : +94 372 258561
- Fax : +94 372 259881
- தமிழ்
RRDI Rice Varieties
At 306
Variety name : At 306
Year of release : 2004
Pedigree : IR 49517-41-1-2-3/At 405
Average yield : 4.7 t/ha
Maturity : 102 days
Plant height : 63.0 cm
Basal leaf sheath colour : Green
Recommendation : General cultivation



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Grain Quality Characteristics
Brown rice recovery | 78.60% |
Milling recovery | 66.30% |
Head rice recovery | 50.40% |
Amylose content | High |
Gelatinization temperature | Intermediate-High |
1000 grain weight | 21.9 g |
Grain shape | Long slender |
Pericarp colour | White |
Bushel weight | 19.0 kg |
Buff colour presence | No |
Reaction to Pest and Disease
Blast | Bacterial Leaf Blight | Gall Midge | Brown Planthopper |
Moderately Resistant | Moderately Resistant | Moderately Resistant | Resistant |
Grain Quality Characteristics
Brown rice recovery | 78.60% |
Milling recovery | 66.30% |
Head rice recovery | 50.40% |
Amylose content | High |
Gelatinization temperature | Intermediate-High |
1000 grain weight | 21.9 g |
Grain shape | Long slender |
Pericarp colour | White |
Bushel weight | 19.0 kg |
Buff colour presence | No |
Reaction to Pest and Disease
Blast | Moderately Resistant |
Bacterial Leaf Blight | Moderately Resistant |
Gall Midge | Moderately Resistant |
Brown Planthopper | Resistant |