Rice Varieties (HYV and Aman)*Dr. M. A. Mazid

Hub ManagerCSISA(IRRI)

Dinajpur Hub (NW Bangladesh)

BRRI released 55 Modern varieties ( MV) Rice and four Hybrid rice till 2011 and has been using for cultivation either in Boro, Aus alone or in both Boro & Aus and Aman seasons. Broadly it could be classified into two major groups such as photo sensitive and photo insensitive variety. Photosensitive rice is timely fixed and suitable for cultivation in Aman season only. Its flowering is very much related with day length eg. Latishail, Nigersal, BRRI dhan23, BRRI dhan34 etc flowered within first week of November and mature in early December where 2nd crop planting is delayed due to late harvesting of aman rice.

On the other hand photoperiod insensitive varieties are periodically fixed i.e it can be flowered after certain period depending on growth duration in all three seasons (Boro, Aus & Aman). The most important photo insensitive varieties are BRRI dhan32, BRRI dhan33, BRRI dhan39, BRRI dhan49, BINA7 in Aman and BRRI dhan28, BRRI dhan29, BRRI dhan50 in Boro season and also BR24, BRRI dhan48 in Aus season.. Variety suitable for season(s):

Aman Rice (BRRI) varieties (24):

BR4, BR5, BR10, BR11, BR22, BR23, BR25, BRRI dhan30, BRRI dhan31, BRRI dhan32, BRRI dhan33, BRRI dhan34, BRRI dhan37, BRRI dhan38, BRRI dhan39, BRRI dhan40, BRRI dhan41, BRRI dhan44, BRRI dhan46, BRRI dhan49, BRRI dhan51, BRRI dhan52, BRRI dhan53, BRRI dhan54

i. Further classified Aman variety/varieties in ff:A. Short duration varieties: BRRI dhan33 (115-118 days if TPR & 103-105 days if

DSR method of establishment), BRRI dhan49 (135 days)B. Late Aman variety(after flash flood)/Photo sensitive variety: BR22, BR23,BRRI

dhan46C. Flash flood tolerant varieties: BRRI dhan51(Swarna Sub1), BRRI dhan52 (BR11

Sub1) and other potential varieties are IR64 Sub1 and Samba Masuri Sub1D. Salt tolerant (EC 8-10 dS/m) Aman variety: BRRI dhan53(128 days), BRRI

dhan54 (130 days) replacing BRRI dhan40 (145 days) & BRRI dhan41 (148 days)

Aman Rice (BINA) variety: BINA dhan7 (118 days)

* Prepared for the orientation course of ADO, IRRI-CSISA at IRRI Dhaka on 7 June 2011

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Most popular varieties being used in Aman season:

Aman Season RemarksShort duration Variety (SDV)

BRRI dhan32/BRRI dhan49, BRRI dhan33/BINA7 , BU-1 and most recently BRRI dhan53, and BRRI dhan54 in saline areas

BRRI dhan33 can be grown in light texture drought prone environment by dry DSR

Long duration Variety(LDV)

BR10, BR11, BRRI dhan51 (Swarna Sub1) & BRRI dhan52 (BR11 Sub1)

BR 11 should be replaced by BRRI dhan52 /BRRI dhan51

Submergence tolerant variety

IR64 Sub1, BRRI dhan51 (Swarna Sub1), BRRI dhan52 (BR11 Sub1)Samba masuri Sub1

IR64 Sub1 (SDV with fine slender grain) with highly resistant to flash flood submergence

Salt tolerant variety

BRRI dhan40BRRI dhan41BRRI dhan53BRRI dhan54

Fine Rice Variety BR5, BRRI dhan34BRRI dhan37, BRRI dhan38

Late T. aman variety

BR22,BR23, BRRI dhan46 Generally BRRI dhan46 is recommend for late T. Aman upto early-mid September after flash flood and BR23 is recommended after salt washing by rain water

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Table : List of BRRI varieties with their growing season, plant height, grain shape, growth duration, yield and releasing year, BRRI 1970-2011 (source: BRRI, Akhlasur Rahman, 2011) Rice variety  Growing

season  Plant height (cm) 

Size and shape 

Growth duration (days) 

Average yield (t/ha) 

Releasing year

BR1 (Chandina) Aus 88 Short Bold 120 4.0 1970Boro 88 Short Bold 150 5.5

BR2 (Mala) Aus 120 Medium slender White

125 4.0 1971

Boro 120 Medium slender White

160 5.0  

BR3 (Biplob) Aus 100 Medium bold

130 4.0 1973

Aman 100 Medium bold

145 4.0

Boro 95 Medium bold

170 6.5

BR4 (Brrisail) Aman 125 Medium bold White

145 5.0 1975

BR5 (Dulabhog) Aman 120 Short bold Aromatic

150 3.0 1976

BR6 Aus 113 Long slender White

110 3.5 1977

Boro 100 Long slender White

140 4.5

BR7 (BRRI Balam) Aus 125 Long slender

130 3.5 1977

Boro 125 Long slender

155 4.5

BR8 (Asha) Aus 125 Medium bold

125 5.0 1978

Boro 125   160 6.0 BR9 (Sufala) Aus 125 Long

Medium bold white

120 5.0 1978

Boro 125 Long Medium bold white

155 6.0

BR10 (Progati) Aman 115 Medium slender

150 5.5 1980

BR11 (Mukta) Aman 115 Medium bold

145 5.5 1980

BR12 (Moyna) Aus 105 Medium bold White

130 4.5 1983

Boro 105 Medium bold White

170 5.5

BR14 (Gazi) Aus 120 Medium 120 5.0 1983

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bold White Boro 120 Medium

bold White 160 6.0

BR15 (Mohini) Aus 100 Medium slender White

125 5.0 1983

Boro 90 Medium slender White

165 5.5

BR16 (Shahiblam) Aus 110 Long slender White

130 5.0 1983

Boro 90 Long slender White

165 6.0

BR17 (Hashi) Boro (for haor area only)

125 Medium slender

155 6.0 1985

BR18 (Shahjalal) Boro (for haor area only)

115 Medium bold White

170 6.0 1985

BR19 (Mongol) Boro (for haor area only)

110 Medium bold

170 6.0 1985

BR20 (Nizami) Aus 120 Medium bold

125 3.5 1986

BR21 (Niamot) Aus 100 Medium bold

110 3.0 1986

BR22 (Kiron) Aman 125 Short bold White

150 5.0 1988

BR23 (Dishari) Aman 120 Long slender White

150 5.5 1988

BR24 (Rahmat) Aus 105 Long slender White

105 3.5 1992

BR25 (Nayapajam) Aman 138 Short bold White

135 4.5 1992

BR26 (Srabani) Aus 115 Long slender White

115 4.0 1993

BRRI dhan27 Aus 140 Medium bold

115 4.0 1994

BRRI dhan28 Boro 90 Medium slender White

140 6.0 1994

BRRI dhan29 Boro 95 Medium slender White

160 7.5 1994

BRRI dhan30 Aman 120 Medium slender White

145 5.0 1994

BRRI dhan31 Aman 115 Medium bold White

140 5.0 1994

BRRI dhan32 Aman 120 Medium 130 5.0 1994

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bold White BRRI dhan33 Aman 100 Short bold 118 4.5 1997BRRI dhan34 Aman 117 Short bold

Aromatic 135 3.5 1997

BRRI dhan35 Boro 105 Short bold 155 5.0 1998BRRI dhan36 Boro 90 Long

slender 140 5.0 1998

BRRI dhan37 Aman 125 Medium slender Aromatic

140 3.5 1998

BRRI dhan38 Aman 125 Long slender Aromatic

140 3.5 1998

BRRI dhan39 Aman 106 Long slender

122 4.5 1999

BRRI hybrid dhan1 Boro 110 Medium slender white

155 8.5 2001

BRRI dhan40  Aman  110  Medium slender 

145  4.5  2003

BRRI dhan41 Aman 115 Long bold 148 4.5 2003BRRI dhan42 Aus 100 Medium

White 100 3.5 2004

BRRI dhan43 Aus 100 Medium bold White

100 3.5 2004

BRRI dhan44 Aman 130 Bold 145 5.5 2005BRRI dhan45 Boro 100 Medium

bold White 145 6.5 2005

BRRI dhan46 Aman 105 Medium bold

124 4.7 2007

BRRI dhan47 Boro 105 Medium bold

152 6.0 2007

BRRI dhan48 Aus 105 Medium bold

110 5.5 2008

BRRI dhan49 Aman 100 Medium slender

135 5.5 2008

BRRI hybrid dhan2 Boro 105 Medium bold

145 8.0 2008

BRRI dhan50(Banglamoti)

Boro 82 Long Slender Aromatic white

155 6.0 2008

BRRI hybrid dhan3 Boro 110 Medium bold

145 9.0 2009

BRRI dhan51 Aman 90 Medium slender White

142/154 4.0 2010

BRRI dhan52 Aman 116 Medium bold

145/155 5.0/4.5 2010

BRRI hybrid dhan4 Aman 112 Medium slender White

118 6.5 2010

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BRRI dhan53 Aman 106 Salt tolerant (EC 8-10dS/m)

128 4.5 2010

BRRI dhan54 Aman 105 Salt tolerant (EC 8-10 dS/m)

130 4.5 2010

BRRI dhan55 Aus 100 Medium bold

105 4.5 2011

Boro 100 Medium bold

145 6.5

 

Note;

Exclusive Aus Rice (BRRI) varieties (7):

BR20, BR21, BR24, BR26, BRRI dhan27, BRRI dhan42, BRRI dhan43, BRRI dhan48a) B. Aus/Dry DSR: BR20, BR21, BR24, BRRI dhan42 and BRRI dhan43b) T. Aus/TPR: BR26 (Low amylase content<25), BRRI dhan48 (high amylase

content>25)

Exclusive Boro Rice (BRRI) varieties (20):

BR1, BR3, BR6, BR7, BR8, BR9, BR14, BR15, BR16, BR17, BR18, BR19, BRRI dhan28, BRRI dhan29, BRRI dhan35, BRRI dhan36, BRRI dhan45, BRRI dhan47, BRRI dhan50

Varieties suitable for both Aus and Boro seasons (12):

BR1, BR2,BR3 (Aus, Aman, Boro),BR6.BR7,BR8,BR9,BR12,BR14,BR15,BR16,BRRI dhan55

BINA Varieties : BINA dhan7 (Aman-SDV) and BINA dhan8 (Boro-salt tolerant)

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