Telephone

+94 812 388331 / 32/ 34

Email Address

info@doa.gov.lk

Office Address

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

RRDI_Rice_At 306

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  • Telephone : +94 372 258561
  • Fax : +94 372 259881
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RRDI Rice Varieties

At 306

Variety name : At 306
Year of release  : At 306
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
Regions recommended for farming: General cultivation
RRDI_At306_Grain
RRDI_At306_Rice
RRDI_At306_Plant
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Grain Quality Characteristics

Weight per bushel of paddy19.0 kg
1000 grain weight21.9 g
Brown rice recovery ( based on weight)78.60%
Milling recovery ( based on weight)66.30%
Head grain recovery  ( based on weight)50.40%
Grain shapeLong slender
Pericarp colour White
Amylose contentHigh
Gelatinization temperature Intermediate-High
Presence of buff colour No

 

Resistance to Pests and Diseases

Pest/DiseaseLevel Of Resistance
BlastModerately Resistant 
Bacterial Leaf BlightModerately Resistant
Gall MidgeModerately Resistant
Brown PlanthopperResistant

Grain Quality Characteristics

Weight per bushel of paddy19.0 kg
1000 grain weight21.9 g
Brown rice recovery ( based on weight)78.60%
Milling recovery ( based on weight)66.30%
Head grain recovery  ( based on weight)50.40%
Grain shapeLong slender
Pericarp colour White
Amylose contentHigh
Gelatinization temperature Intermediate-High
Presence of buff colour No

 

Reaction to Pest and Disease

Pest/DiseaseLevel Of Resistance
BlastModerately Resistant 
Bacterial Leaf BlightModerately Resistant
Gall MidgeModerately Resistant
Brown PlanthopperResistant