Varietal Characteristics of the Ten Rice Varieties

1.   IR66

Line designation IR 32307-107-3-2-2
Parent IR 13240-108-2-2-3/IR 9129-209-209-2
Year released 1990
Yield (t/ha) 4.0 -6.5
Maturity (DAS) 105 -115
Plant height (cm) 80-118
Productive tillers 12±0.6
Grain per panicle 95± 7
Panicle length (cm) 25.1± 1.0
Resistance to BPH Moderately susceptible
Grain length (cm) 7.2
Grain width (mm) 2.0
L:W Ration 3.6
Brown rice shape Slender
100 grain weight (g) 2.22
Milling recovery (%) 69
Head rice recovery (%) 64
Chalkiness score Medium (5)
Amylose content (%) 23.6
Gel consistency (mm) 72
Gelatinization temperature Intermediate
Raw rice appearance Translucent
Raw rice acceptability Very good
Cooked rice acceptability Good
Aroma scent None

2.   Chul’sa

Line designation IR 56383-35-3-2-1
Parent IR 28239-94-2-3-6-2/IR 24632-34-2
Year released 1999
Yield (t/ha) 4.0 -6.0
Maturity (DAS) 95 – 110
Plant height (cm) 75 – 93
Productive tillers 10.2 ± 4.9
Grain per panicle  122 ± 26
Panicle length (cm) 21.7 ± 5.9
Resistance to BPH Moderate resistance
Grain length (cm) 6.8
Grain width (mm) 1.9
L:W Ration 3.6
Brown rice shape Slender
100 grain weight (g) 3.0
Milling recovery (%) 68
Head rice recovery (%) 56
Chalkiness score Small (1)
Amylose content (%) 22.2
Gel consistency (mm) 72
Gelatinization temperature High
Raw rice appearance Semi-translucent
Raw rice acceptability Good
Cooked rice acceptability Good
Aroma scent None

3.   Riang Chey 

Line designation Moo ha pharl-1
Parent Moo ha pharl
Year released 1999
Yield (t/ha) 3.5 – 5.5
Maturity (DAS) November 5 -11
Plant height (cm) 105-168
Productive tillers 7.7±2.4
Grain per panicle 260±74
Panicle length (cm) 23±7
Resistance to BPH Moderate susceptible
Grain length (cm) 6.5
Grain width (mm) 2.1
L:W Ration 3.1
Brown rice shape Slender
100 grain weight (g) 2
Milling recovery (%) 67.5
Head rice recovery (%) 60.5
Chalkiness score Small (1)
Amylose content (%) 23.2
Gel consistency (mm) 100
Gelatinization temperature Intermediate/High-intermediate
Raw rice appearance Translucent
Raw rice acceptability Good
Cooked rice acceptability Good
Aroma scent None

4.   Phka Rumduol

Line designation Somaly- 1771
Parent Somaly
Year released 1999
Yield (t/ha) 3.5 – 5.5
Maturity (DAS) October 30 – November 7
Plant height (cm) 107 -171
Productive tillers 7.8±2.9
Grain per panicle 133±23
Panicle length (cm) 22.7±5.5
Resistance to BPH Susceptible
Grain length (cm) 7.5
Grain width (mm) 2.1
L:W Ration 3.6
Brown rice shape Slender
100 grain weight (g) 3
Milling recovery (%) 67.7
Head rice recovery (%) 52.8
Chalkiness score Small (1)
Amylose content (%) 23.4
Gel consistency (mm) 81
Gelatinization temperature Low
Raw rice appearance Translucent
Raw rice acceptability Excellent
Cooked rice acceptability Very good
Aroma scent Scented / soft texture

5.   CAR 4

Line designation Charng kaom ropeak – Germ. 90 B-528
Parent Charng kaom ropeak
Year released 1995
Yield (t/ha) 2.5 -5.0
Maturity (DAS) November 8 – 15
Plant height (cm) 132- 173
Productive tillers 6.9 ± 1.7
Grain per panicle 160 ± 34
Panicle length (cm) 22.9±1.7
Resistance to BPH Moderate susceptible
Grain length (cm) 6.4
Grain width (mm) 2.2
L:W Ration 2.9
Brown rice shape Medium
100 grain weight (g) 2.21
Milling recovery (%) 70
Head rice recovery (%) 66
Chalkiness score Small (1)
Amylose content (%) 21.3
Gel consistency (mm) 68
Gelatinization temperature Intermediate
Raw rice appearance Translucent
Raw rice acceptability Good
Cooked rice acceptability Good
Aroma scent None

6.   CAR 6

Line designation Seo nam’ng –Germ. B-429
Parent Seo nam’ng
Year released 1995
Yield (t/ha) 2.5 -5.0
Maturity (DAS) November 9 -16
Plant height (cm) 129- 177
Productive tillers 6.9 ± 1.9
Grain per panicle 155±33
Panicle length (cm) 22.8±0.9
Resistance to BPH Susceptible
Grain length (cm) 6.6
Grain width (mm) 2.2
L:W Ration 3.0
Brown rice shape Medium
100 grain weight (g) 2.13
Milling recovery (%) 72
Head rice recovery (%) 67
Chalkiness score Medium (5)
Amylose content (%) 21.6
Gel consistency (mm) 72
Gelatinization temperature Intermediate
Raw rice appearance Semi-translucent
Raw rice acceptability Good
Cooked rice acceptability Good
Aroma scent None

7.   Sen Pidao

Line designation N/A
Parent N/A
Year released N/A
Yield (t/ha) 3.7
Maturity (DAS) 110 -120
Plant height (cm) 75 -120
Productive tillers N/A
Grain per panicle N/A
Panicle length (cm) N/A
Resistance to BPH Susceptible
Grain length (cm) 7
Grain width (mm) 2
L:W Ration 3.6
Brown rice shape Slender
100 grain weight (g) 2.2
Milling recovery (%) 68.2
Head rice recovery (%) 52.2
Chalkiness score Small
Amylose content (%) 19.8
Gel consistency (mm) 62
Gelatinization temperature Intermediate
Raw rice appearance Translucent
Raw rice acceptability N/A
Cooked rice acceptability N/A
Aroma scent Scent

8.   Phka Chan Sen Sar

Line designation N/A
Parent N/A
Year released N/A
Yield (t/ha) 3
Maturity (DAS) 25 Oct – 5 Nov
Plant height (cm) 120 – 180
Productive tillers N/A
Grain per panicle N/A
Panicle length (cm) N/A
Resistance to BPH Susceptible
Grain length (cm) 7.2
Grain width (mm) 2
L:W Ration 3.6
Brown rice shape Slender
100 grain weight (g) 2.4
Milling recovery (%) 71
Head rice recovery (%) 55.9
Chalkiness score Small
Amylose content (%) 19.6
Gel consistency (mm) 50
Gelatinization temperature Intermediate
Raw rice appearance Semi-translucent
Raw rice acceptability N/A
Cooked rice acceptability N/A
Aroma scent None

9.   Phka Rumdeng

Line designation N/A
Parent N/A
Year released N/A
Yield (t/ha) 3
Maturity (DAS) 10 – 25 Oct
Plant height (cm) 110 – 170
Productive tillers N/A
Grain per panicle N/A
Panicle length (cm) N/A
Resistance to BPH Susceptible
Grain length (cm) 7.2
Grain width (mm) 2.2
L:W Ration 3.3
Brown rice shape Slender
100 grain weight (g) 2.9
Milling recovery (%) 63.8
Head rice recovery (%) 52.2
Chalkiness score Small
Amylose content (%) 15.2
Gel consistency (mm) 81
Gelatinization temperature Low
Raw rice appearance Translucent
Raw rice acceptability N/A
Cooked rice acceptability N/A
Aroma scent Scent

 

10.        Phka Romeat

Line designation N/A
Parent N/A
Year released N/A
Yield (t/ha) 3
Maturity (DAS) 10 – 25 Oct
Plant height (cm) 110 – 170
Productive tillers N/A
Grain per panicle N/A
Panicle length (cm) N/A
Resistance to BPH Susceptible
Grain length (cm) 7.1
Grain width (mm) 2
L:W Ration 3.6
Brown rice shape Slender
100 grain weight (g) 2.9
Milling recovery (%) 65.5
Head rice recovery (%) 54.1
Chalkiness score Small
Amylose content (%) N/A
Gel consistency (mm) 79
Gelatinization temperature Low
Raw rice appearance Translucent
Raw rice acceptability N/A
Cooked rice acceptability N/A
Aroma scent Scent

References

Description of rice varieties released by the varietal recommendation committee of Cambodia (1999-2000): http://www.cardi.org.kh/items/Rice_Variety.pdf

Main characteristic of ten rice varieties: http://www.sohorice.com/ricevarities/maincharacteristicrice.html

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