Telephone

+94 812 388331 / 32/ 34

Email Address

info@doa.gov.lk

Office Address

Department of Agriculture, P.O.Box. 01,
Peradeniya

RRDI_Rice_Bw451

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RRDI Rice Varieties

Bw 451

Variety name : Bw 451
Year of release : 1987
Pedigree : Bg 400-1/Bg 11-11
Average yield : 5.5 t/ha
Maturity : 120 days
Plant height : 66.0 cm
Basal leaf sheath colour : Green
Recommendation : LCWZ, saline soil

Grain Quality Characteristics

Brown rice recovery 79.90%
Milling recovery 75.10%
Head rice recovery 70.60%
Amylose content High
Gelatinization temperature High
1000 grain weight15.3 g
Grain shape Short round
Pericarp colour White
Buff colour presence No

Reaction to Pest and Disease

BlastBacterial Leaf BlightBrown Planthopper
SusceptibleModerately ResistantModerately Resistant

Grain Quality Characteristics

Brown rice recovery 79.90%
Milling recovery 75.10%
Head rice recovery 70.60%
Amylose content High
Gelatinization temperature High
1000 grain weight15.3 g
Grain shape Short round
Pericarp colour White
Buff colour presence No

Reaction to Pest and Disease

BlastSusceptible
Bacterial Leaf BlightModerately Resistant
Brown PlanthopperModerately Resistant