உயர்தர மானிடப்புவியியலில் புதிதாக அறிமுகப்படுத்தப்பட்டுள்ள விவசாயத் தொழிநுட்பம் எனும் பகுதியில், இலங்கையில் புதிதாக விருத்தி செய்யப்பட்ட விதையினங்கள் தொடர்பாக கற்கவேண்டியுள்ளது. இந்த விடயத்திற்கு இலங்கை விவசாயத் திணைக்களத்தினால் சிபாரிசு செய்யப்பட்ட புதிய அரிசியினங்கள் பற்றிய தரவுகள் இங்கு பிரசுரிக்கப்படுகின்றது.
தரவுகள் ஆங்கிலத்தில் உள்ள போதிலும் இலங்கையில் புதிய அரிசியனங்கள் தொடர்பாக அறிந்து கொள்ள வழிவகுக்கும்.
Paddy Varieties
New Improved Rice Varieties
Recommended by the Department of Agriculture
Variety by
mat. dur. |
Year
released
|
Pedigree
|
Recommended
for |
Mat. dur.
(days) |
Higher
yld.
recorded (t/ha) |
Attributes
|
5-6
month
|
||||||
Bg 3-5
|
1973
|
Panduruwee /Mas/ Engkatek
|
ML
|
150-180
|
5.5
|
Photoperiod sensitive (PS)
|
Bg 407
|
1981
|
IR5/Panduruwee
|
ML
|
150-180
|
7.5
|
PS, resistant to BB
|
Bg 745
|
1981
|
71-554/Podiwee A8
|
ML
|
150-180
|
6.0
|
PS, samba grain
|
Bg 38
|
1981
|
Engkatek/ H-4/ Podiwee A8
|
ML
|
150-180
|
6.0
|
PS, samba grain
|
4 ½ month
|
||||||
Bg 379-2
|
1980
|
Bg96-3*2/Ptb33
|
GC
|
135
|
8.5
|
Resistant to BPH and BB
|
Bg 380
|
1982
|
Bg90-2*4/Ob677
|
MI/DI
|
120
|
10.0
|
Very high yield, resistant to
GM-I
|
Bg 450
|
1985
|
Bg12-1*2/IR42
|
GC
|
130
|
6.0
|
Samba grain, resistant to GM-I
|
Bg 403 **
|
1993
|
83-1026/Bg 379-2
|
GC
|
120
|
8.0
|
White pericarp resistant to BL
and BLB
|
Bw 451
|
1987
|
Bg400-1/Bg11-11
|
LCWZ, saline soils
|
135
|
6.0
|
White pericarp, replacement for
Pokkali
|
Bw 400
|
1987
|
Bw259-3/Bw242-5-5
|
120
|
Red tolerant to salinity
resistant to blast
|
||
Bw 452
|
1992
|
Hondarawala 502/C104
|
GC
|
135
|
5.0
|
Red pericarp, an old improved
variety, but higher response to added nitrogen and resistant to lodging
tolerant to iron toxicity and submergence in LCWZ.
|
Bw 453
|
1992
|
IR 2071-586/Bg400-1
|
LCWZ
|
135
|
7.0
|
White pericarp, MR to leaf
blast, R to GM-I and tolerant to iron toxicity.
|
Bg 454
|
2005
|
MR 1523/87-519
|
GC with assured supply of water
|
128
|
9.0
|
White pericap MR to BPH, RGM,
and MR to Blast, BLB
|
Ld 66
|
1971
|
H-501/Deo-Geo-Woo-gen
|
Iron toxic soils and acidic
soils
|
135
|
5.0
|
White pericarp, more suitable
for broadcasting
|
4 Month
|
||||||
At 401
|
1992
|
Bg94-1/Pokkali
|
Costal saline areas
|
120
|
5.0
|
Red pericarp, replacement for
pokkali
|
At 402
|
1992
|
IR4432-52-6-4/Bg90-2//
76-3990/Ob678 |
Southern province
|
120
|
7.5
|
Red pericarp, good for Matara,
Hambantota and replacement for H4
|
At 405
(Lanka Samurdi) |
1997
|
At 402/Basmathi 442
|
Dry and Intermediate zones with
assured supply of water
|
120
|
5.6
|
MR to BPH
Basmathi grain quality Long/Slender |
Bg 406
|
2005
|
Bg 73 –797/ptb 33/ob 678
|
Northern region
|
120
|
7.0
|
Red pericarp R to BPH and MR to
Blast
|
Bg 407H
|
2005
|
Bg CMS IA x IR54742-22-19-3R
|
High potential area
|
120
|
13.0
|
Hybrid variety
White pericarp Resistant tO Blast, BPH and RGM Tolerant to Irontoxicity |
3 ½ month
|
||||||
Bg 350
|
1986
|
Bg 94-1///Bg401-1/80-3717
//Bg 94-1 |
GC
|
105
|
8.5
|
Red pericarp,
resistant to GM-I |
Bg 352
|
1992
|
Bg 380/Bg 367-4
|
GC
|
105
|
6.0
|
Resistant to Bl and BPH white
pericarp, Intermediate bold type grains
|
Bg 357
|
1997
|
Bg 797/Bg 300//85-1580/
Senerang M-17
|
Islandwide cultivation
|
106
|
9.55
|
Resistant to BPH, GM 1 and 2,
MR to thrips, R/MR to Blast, MR to (Iron toxicity) and low temperature. White
pericarp, L/M
|
Bg 358
|
1999
|
Bg 12-1/Bg 1492
|
GC
|
105
|
9.5
|
Samba, Resistant to BPH, BL and
BLB, moderately tolerant to Iron toxicity
|
Bg 359
|
1999
|
88-5089/Bg 379-2
|
WZ
|
105
|
7.0
|
Resistant to GM I and II BPH,
BL, moderately tolerant to Iron toxicity
|
Bg 360
(Keera samba) |
1999
|
84-3346/IR36//Senerang
|
GC
|
105
|
6.5
|
Good grain quality. Resistant
to GM I and II
|
Bw 266-7
|
1981
|
Bw 242-5-5//Ob 677/
"Bg90-2 |
As a regional release
|
105
|
4.5
|
Non lodging, white (long for
Ratnapura slender) quality grains, resistant to GM-I
|
Bw 267-3
|
1981
|
Ld 125/Bw 248-I
|
LCWZ, Iron toxic soils
|
105
|
4.5
|
White pericarp, long slender
grains, resistant to BL, Iron toxicity and seed spotting
|
Bw 351
|
1986
|
Bg 90-2/Bg 401-1
|
High potential areas (mineral
soils) of LCWZ
|
105
|
5.0
|
Red pericarp, moderately
resistant to sheath blight and iron toxicity
|
At 16
|
1977
|
IR 8/H-4
|
Southern province
|
105
|
Red pericarp, resistant to
lodging and BL
|
|
At 353
|
1992
|
Bg 94-1 (R)/Bg 400-1//
Bg 94-1 |
Saline area
|
105
|
6.5
|
Red pericarp, MR to Blast and
BB, good for potential acid saline conditions found in Nilwala scheme.
|
At 354
|
1992
|
Bg 94-1/Pokkali
|
Saline areas
|
105
|
5.0
|
White pericarp, saline
resistant, resistant to lodging
|
Ld 355
|
1994
|
Bw 451/IR50
|
Southern Province
|
105
|
4.5
|
Samba grain, resistant BL, BLB
|
Ld 356
|
1994
|
Bw 451/Bw 351
|
Kalutara and Gall districts
|
100
|
4.5
|
Short round grain/moderately
tolerant to iron toxicity resistant to seed spots and rice Gallmidge
|
Bw 361
|
2002
|
IR 36/Bw 267-3-11M
|
Dry & Intermediate zone
|
105
|
5.0
|
Red pericarp, GM-MR, BPH-MR,
BL-MR
|
At 362
|
2002
|
At 85-2/Bg 380
|
GC
|
105
|
7.0
|
Red pericarp, BPH-MR, BL-Mr,
BLB-MR/MS
|
Bw 363
|
2004
|
IR 36 / Bw 267-3-11M
|
GC
|
105
|
10
|
White pericarp, moderately
resistant to blast BPH & Gm
|
Bg 364
|
2006
|
Bw 400/ob 2552// Bg
357
|
Wet Zone
|
105
|
7.0
|
Red pericarp, iron toxicity,Red
Blast, BLP,BHP & RGM |
3 month |
||||||
Bg 300
|
1987
|
Bg 367-7//IR 841/Bg 276-5
|
GC
|
90
|
7.0
|
Resistant to GM-1, BPH, BL and
BB
|
Bg 301
|
1987
|
1280/H-4
|
RF/DI
|
90
|
6.0
|
Red pericarp, tolerant to
drought, BL and BB
|
Bg 304
|
1993
|
Co 10/IR 50//84-1587/
Bg 731-2 |
GC
|
85
|
7.4
|
Good grain quality. White
pericarp resistant to BPH, GM I and II, BL and BLB suitable to RF drought
prone area
|
Bg 305
|
1999
|
Bg 1203/Bg 1492
|
GC
|
90
|
8.0
|
White pericarp , resistant to
GM I and II, BPH, BL and BLB
|
Bw 272-6B
|
1981
|
Bw 259-3/Bw 242-5-5
|
LCWZ, (suitable for mineral,
half bog and bog soils)
|
90
|
4.0
|
Red pericarp, replacement for
Herath Banda, Batapolal, resistant to BL, resistant to lodging
|
At 303
|
1990
|
At 66-2/Bg 276-5
|
GC
|
90
|
5.0
|
Red pericarp, resistant to BL
|
At 306
|
2004
|
OB 2273/At 05
|
GC
|
90
|
6.0
|
Basmathi green quality , long /
slender, moderately resistant to BLB and GM Resistant to blast and
BPH
|
At 307
|
2005
|
Bg 2225-1// BG 96-3298
|
GC
|
90
|
7.0
|
White pericap resistant to BPH
RGM and Blast
|
2 ½ month
|
||||||
Bg 750
|
1981
|
Ainantsao//75-1870/PP
|
LCIZ
|
70
|
3.0
|
Ultra-short maturity
|
Bg 250
|
2005
|
Selection from farmer field
|
Rainfed and flash flood
areas
|
80
|
4.5
|
Ultra-short maturity
R/MR for BPH and Blast |
Rice varieties developed by
the Department of Agriculture, Sri Lanka
Five to Six month varietiesFour to four and a half month varieties
Three and a half month varieties
Three month varieties
Two and a half month varieties
Abbreviations
* No longer recommended
** Mahasen WP - Wite Pericarp RP - Red Pericarp
BB - Bacterial blight BL - Blast BPH - Brown Planthopper
GM-I - gall midge (Biotype I) PS - Photoperiod sensitive
Recommendations : GC = general cultivation MI/DI = Major Irrigation in Dry and Intermediate zones
ML = Mawee lands RF/DI = rainfed Dry and Intermediate zone
RF/M = Fainfed/Manawari
Bg - Batalagoda MI - Mahailluppalama
BW - Bombuwela H - First set of purelines developed at Batalagoda through hybridisation.
At - Ambalantota Therefore H denotes Hybrids.