Telephone
+94 812 388 331 /32/ 34
Email Address
info@doa.gov.lk /
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Department of Agriculture,P.O.Box.01,
Peradeniya

RRDI_Rice_At405

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RRDI Rice Varieties

At 405

Variety name : At 405 (Lanka Samurdhi)
Year of release : 1997
Pedigree : At 402/Basmathi 442
Average yield : 4.7 t/ha
Maturity : 120 days
Plant height : 67.0 cm
Basal leaf sheath colour : Green
Recommendation : DZ & IZ with assured supply of water

Grain Quality Characteristics

Brown rice recovery 76.50%
Milling recovery 68.40%
Head rice recovery 59.40%
Amylose content Low
Gelatinization temperature Low
1000 grain weight 22.5 g
Grain shape Long Slender
Pericarp colour White
Bushel weight 18.5 kg
Buff colour presenceNo

Reaction to Pest and Disease

BlastBacterial Leaf BlightBrown Planthopper
SusceptibleModerately Resistant Moderately Resistant 

Grain Quality Characteristics

Brown rice recovery 76.50%
Milling recovery 68.40%
Head rice recovery 59.40%
Amylose content Low
Gelatinization temperature Low
1000 grain weight 22.5 g
Grain shape Long Slender
Pericarp colour White
Bushel weight 18.5 kg
Buff colour presenceNo

Reaction to Pest and Disease

BlastSusceptible
Bacterial Leaf BlightModerately Resistant 
Brown PlanthopperModerately Resistant