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

RRDI_Rice_At402

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  • Telephone : +94 372 258561
  • Fax : +94 372 259881
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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
RRDI_Rice_At402_Rice
RRDI_Rice_At402_Plant

Grain Quality Characteristics

Brown rice recovery 78.40%
Milling recovery72.30%
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

BlastBacterial Leaf BlightGall MidgeBrown Planthopper
SusceptibleModerately SusceptibleResistantResistant/Moderately Resistant

Grain Quality Characteristics

Brown rice recovery 78.40%
Milling recovery72.30%
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

BlastSusceptible
Bacterial Leaf BlightModerately Susceptible
Gall MidgeResistant
Brown PlanthopperResistant/Moderately Resistant