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STRASA Varieties

Since 2007, IRRI, through the Stress-Tolerant Rice for Africa and South Asia (STRASA) project in partnership with Africa Rice, has developed and delivered rice varieties tolerant to abiotic stresses, benefitting nearly 18 million farmers in South Asia and Sub-Saharan Africa who cultivate rice in unfavorable environments

Drought-tolerant rice Varieties

Sahbhagi dhan / BRRI dhan 56 / Sukha dhan 3 (IR 74371-70-1-1)

Salient features: Releaseed in 2009, Sahbhagi Dhan is the first conventionally bred drought-tolerant variety for commercial cultivation in India. It has the potential to survive well under drought conditions due to its ability to take moisture from deeper layers of soil. It is resistant to leaf folder, whorl maggot, white backed plant hopper, brown plant hopper, gall midge, hispa thrips, leaf blast and rice tungro virus. This variety is released in India, Bangladesh and Nepal.

Parent variety: IR 554194*2/WAY RAREM
Duration in days: 105-110
Suitable land type: Medium and upland
Grain type: Medium slender
Plant height: 95-105 cm
Yield: 4-4.7 t/ha 

DRR 42 (IR64-Drt1, IR 87707-445-B-B-RP 5208-3; IET 22836)  

Salient  features: DRR 42 is the improved version of the popular IR 64 variety. Along with drought-tolerance potential, it has an added advantage of high yield production. This variety is tolerant to drought, especially drought at flowering and grain filling stage, resistant to blast, moderately resistant to bacterial blight and brown spot.

Parent variety: Aday Sel/*3 IR 64
Year of notification: 2014
Suitable land type:  Medium or Upland
Grain type: Long slender
Plant height: 100-105 cm
Yield: 5-5.5 t/ha

DRR 43 (IR 83876-B-B-RP 5124-11-6-2; IET 22080

Salent features: This variety is the sister line of DRR 42 and has been released for commercial cultivation in India. Apart from good yield potential and drought tolerance, it has good grain quality and is resistant to blast, and moderately resistant to bacterial leaf blight, brown planthopper, and white-backed planthopper.

Parent variety: IR 03L03/IR 1148
Year of notification: 2014
Grain type: Long bold
Plant height: 100-105 cm
Yield: 4-5.0 t/ha
Suitable land type:  Medium or Upland

DRR 44 (IR 93376-B-B-130)

Salient features: It is the latest released drouth-tolerant rice variety in India & Nepal. This has excellent yield potential, good grain quality and also drought tolerance. It is resistant to blast, moderately resistant to bacterial leaf blight, brown planthopper, and whitebacked planthopper.

Parent variety: IR 71700-247-1-1-2/IR 03 L120
Year of notification: 2016
Duration in days: 120
Suitable land: type Medium or Upland
Grain type: Long slender
Plant height: 100-105 cm
Yield: 5-5.5 t/ha

Sukha dhan 5 (IR 83388-B-B-108-3) 

Salient features: Sukha dhan 5 is another high-yielding, drought-tolerant variety released in Nepal and India. It is resistant to stem borer and brown plant hopper.

Parent variety: IR8383B-B-108
Year of notification: 2014
Duration in days: 125
Suitable land: Upland
Grain type: Medium fine
Plant height: 89-105 cm
Yield: 4.5-5 t/ha

Sukha dhan 6 (IR 83383-B-B-129-4)

Salient features: Sukha dhan 6 has both submergence as well as drought-tolerant charateristics. This variety is released in Nepal and India. It is resistant to bacteria leaf blight, blast, and brown spot, stem borer and gall midge. 

Parent variety: IR83383-B-B-129-4 (IR 72022-46-2-3-3-2/IR57514-PMI-5-B-1-2)
Year of notification: 2014
Duration in days: 120-125
Suitable land:  Upland
Grain type: Medium fine
Plant height: 95-102 cm
Yield: 4.5-5 t/ha
 

BRRI  dhan 57

Salient features:  A drought tolerant variety released in Bangladesh. 

Parent variety: BR11, ICR 146-7027-224
Year of notification: 2010
Duration in days: 100-125
Suitable land: Medium and  Upland
Grain type: Slender
Plant height: 110-115 cm
Yield: 4-4.5 t/ha

BRRI  dhan 66(IR 82635-B-B-75-2)

Salient features:  A drought-tolerant variety released in Bangladesh.

Parent variety: IR 8875-176-B-2, IR 78875-207-B-3
Year of notification: 2014
Duration in days: 110-115
Suitable land: Upland
Grain type: Medium Slender
Plant height: 118-120 cm
Yield: 4.5-5 t/ha
 

BRRI  dhan 71

Salient features:  A drought-tolerant variety released in Bangladesh.

Parent variety: IR 55423-01 (NSIC RC 9), IIRR 148
Year of notification: 2014
Duration in days: 114-117
Suitable land: Upland
Grain type: Medium Slender
Plant height: 107-108 cm

Flood – tolerant rice varieties

Swarna-Sub1/BRRI dhan 51 (IR05F102)

Salient features:  Swarn-Sub1 has submergence tolerance of up to 2 weeks, due to the SUB1 gene. This variety is widely grown in flood-prone ecologies of Odisha, WB, Bihar and other eastern states of India along with Bangladesh.

Parent variety: Swarna*3/IR 49830-7-1-2-2,
Duration in days: 140-145
Suitable land: Low land
Grain type: Medium bold
Plant height: 100 cm
Yield: 5.5-6.5 t/ha 

BINA dhan 11 (Ciherang-Sub 1, IR09F436)

Salient features:  Swarn-Sub1 has submergence tolerance of up to 2 weeks, due to the SUB1 gene. This variety is widely grown in flood-prone ecologies of Odisha, WB, Bihar and other eastern states of India along with Bangladesh.

Parent variety: IRRI 149, Ciherang
Year of notification: 2015
Duration in days: 120
Suitable land: Medium or shallow low land
Grain type: Medium slender
Plant height: 107-115 cm
Yield: 5.5-6 t/ha 

CR 1009-Sub 1 (IR07F291)

Salient features:  CR 1009-Sub 1 is one of the highest-yielding rice varieties. It can tolerate complete submergence for 2 weeks and is popularly used in south India for Idly, a local rice-based delicacy. This variety is the flood-tolerant version of CR 1009 (Savitri).

Parent variety: IR49830-7-1-2-1, CR1009
Year of notification: 2015
Duration in days: 150-155
Suitable land: Low land
Grain type: short bold
Plant height: 110-120 cm
Yield: 6-6.5 t/ha 

BRRI dhan 52

Salient features: This variety features submergence tolerance for up tp 2 weeks.

Parent variety: IR40931-33-1-3-2, BR11
Year of notification: 2010
Duration in days: 140-145
Suitable land: Low land
Grain type: Medium slender
Plant height: 116 cm
Yield: 4.5-5 t/ha 

Samba mahsuri-Sub 1/BINA 12

Salientnt features: Samba Mahsuri-Sub1 is a fine-grain, medium-duration, flood-tolerant rice variety. It can tolerate complete submergence for up to 2 weeks. It is the flood-tolerant version of Samba Mahsuri (BPT5204), which is the largest non-basmati export rice variety in India. This variety is also relased in Bangladesh.

Parent variety: IR49830-7-1-2-2, Samba Mahsuri
Duration in days: 135
Suitable land: Low land
Grain type: Medium slender
Plant height:80-85 cm
Yield: 4.5-5 t/ha 

Salinity-tolerant rice Varieties

CSR 36 (CSR 13/Panvel 2/IR36/IET 17340)

Salientnt features: CSR 36 is a medium-duration, salt-tolerant variety developed by CSSRI for inland salt affected areas of Uttar Pradesh.

Parent variety: CSR 13 /Panvel 2
Year of notification: 2005
Duration in days: 130-135
Suitable land/soil type: can tolerate up to pH
Range 9.7 and suitable for inland saline area
Grain type: long slender
Plant height: 110-112 cm
Yield: 5-5.5 t/ha 

CSR 43 (CSR-89IR-8)

Salientnt features: CSR 43 is a short-duration, salt-tolerant variety which matures earlier than other varieties. It helps in the timely sowing of wheat. This variety has a huge potential in sodic soil of Uttar Pradesh and Bihar.

Parent variety: KHAO DAWK MALI 105/IR 4630-22-2-5-1-3//IR 20925-33-3-1-1-28 IR49737-3B-28-2B
Year of notification: 2011
Duration in days: 110
Suitable land/soil type: can tolerate up to pH
Range 9.7 and has high potential in sodic soil and suitable for inland salt affected  area
Grain type: long slender
Plant height: 96-100 cm
Yield: 4.5-5 t/ha 

CR dhan 405 (CR 2577-1)

Salientnt features: This is an early-duration salt-tolerant variety released for cultivation in coastal saline areas of India.

Parent variety: IR2046-B-R-3-3-3-1
Year of notification: 2012
Duration in days: 110
Suitable land/soil type: suitable up to pH
Range 5.0-8.0 ds/M and for coastal saline areas
Grain type: Medium slender
Plant height: 110 cm
Yield: 4.6 t/ha 

CR dhan 406  (CR2092-158-3; IET 19472)

Salientnt features: This is a long-duration, salt toelrant variety released for cultivation in coastal saline areas of India. It is resistant to yellow stem borer and moderately resistant to sheath blight and bacterial leaf blight.

Parent variety: Jaya / Lunishree
Year of notification: 2012
Duration in days: 150-155
Suitable land/soil type: suitable up to EC range
Range 5.0-8.0 ds/M and for coastal saline areas
Grain type: Short bold
Plant height: 120 cm
Yield: 5.0-5.5 t/ha 

DRR 39 ( Jag Jeevan )

Salientnt features: DRR 39 is a salt-tolerant variety released by the Directorate of Rice Research, Hyderabd ( DRR) for coastal area. It has a good grain quality and is resistant to blast and BPH, while being moderately resistant to WBPH. It is tolerant to both salinity and drought.

Parent variety: CSR3 / Kasturi
Year of notification: 2009
Duration in days: 130-135
Suitable land/soil type: Suitable for coastal saline areas
Grain type: Long slender
Plant height: 105-110 cm

Multi Stress-tolerant rice varieties

BRRI dhan 47 (IR63307-4B-4-3)

Salient features: A salinity-tolerant variety released in Bangladesh.

Parent variety: IR 51511-B-B-34-B/TCCP 266-2-49-B-B-3
Year of notification: 2007
Duration in days: 140-150
Suitable land/soil type:  coastal saline areas
Grain type: Medium bold
Plant height: 100 cm
Yield: 4.0-7.0 t/ha 

BRRI dhan 8

Salient features: This rice variety has salinity tolerance of up to 12ds/m.

Parent variety: IR 29/POKKALI
Year of notification: 2010
Duration in days: 130-135
Suitable land/soil type:  coastal saline areas
Grain type: Medium bold
Plant height: 90-95cm
Yield: 5.5-6.5 t/ha

BRRI dhan 55

Salient features: This rice variety features salinity tolerance of up to 10dS/m, moderate drought and moderate cold tolerance.

Parent variety: IR64, Oryza rufipogon
Year of notification: 2011
Duration in days: 145
Suitable land/soil type: Moderate coastal saline and medium upland areas
Grain type: Slender
Plant height: 100cm
Yield: 6.0-7.0 t/ha            

BRRI dhan 10 (IR64197-3B-14-2)

Salient features: This rice variety has salinity tolerance of up to 14dS/m.

Parent variety: IR42598-B-B-B-B-12/NONA
Year of notification: 2013
Duration in days: 145-150
Suitable land/soil type: coastal saline
Grain type: Medium slender
Plant height: 95cm
Yield: 5.5-6.0 t/ha 

BRRI dhan 61 (BR7105-4R-2)

Salient features: This rice variety has salinity tolerance of up to 12dS/m.

Parent variety: IR64419-3B-4-3/BRRI dhan 29
Year of notification: 2013
Duration in days: 145-150
Suitable land/soil type: coastal saline
Grain type: Medium slender
Plant height: 100cm
Yield: 5.5-6.0 t/ha 

BRRI dhan 67

Salient features: This rice variety has salinity tolerance of up to 14dS/m.

Parent variety: IR61247-3b-8-2-1/BRRI dhan 36
Year of notification: 2014
Duration in days: 140-150
Suitable land/soil type: coastal saline
Grain type: Medium slender
Plant height: 100cm
Yield: 3.8-7.4 t/ha 

BRRI dhan 73

Salientnt features:  This rice variety has salinity toelrance of up tp 12ds/m.

Parent variety: BRRI dhan40/IR 61920-3B-22-1-1
Year of notification: 2014
Duration in days: 120-125
Suitable land/soil type:  coastal saline areas
Grain type: Medium slender
Plant height: 120-125 cm
Yield: 3.5-6 t/ha 

BRRI dhan 79

Salientnt features:  This rice variety features submergence and stagnant wate tolerance for up to 2 weeks.

Parent variety: BRRI dhan49, BRRI Dhan 52
Year of notification: 2017
Duration in days: 135-140
Suitable land type:  Low land
Grain type: Medium slender
Plant height: 110-112 cm
Yield: 5.5 t/ha 

CR dhan 801        

Salientnt features:  Released in India, this variety is tolerant to both submergence and drought..

Parent variety: IET 25667 ( IR 96322-34-223-B-1-1-1-CR 3955-2) IR 81896-B-B-195/2* IR05F102/IR 91659-54-35
Year of notification: 2017
Duration in days: 125-130
Suitable land type:  Medium Shallow
Grain type: Short bold
Plant height: 80-98 cm
Yield: 5-5.5 t/ha 

BRRI dhan 78

Salientnt features: Released in Bangladesh, this rice variety  has salinity tolerance of up to 8ds/m and submergence  up to 2 weeks.

Parent variety: IR 84645/IR 84649
Year of notification: 2016
Duration in days: 130-135
Suitable land type:  Tidal saline areas
Grain type: Medium slender
Plant height: 120 cm
Yield: 4.5-5.5 t/ha

 


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