Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas
Abstract Background Climate extremes such as drought and flood have become major constraints to the sustainable rice crop productivity in rainfed environments. Availability of suitable climate-resilient varieties could help farmers to reduce the grain yield losses resulting from the climatic extremi...
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SpringerOpen
2019-02-01
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Series: | Rice |
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Online Access: | http://link.springer.com/article/10.1186/s12284-019-0269-y |
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author | Nitika Sandhu Shalabh Dixit B. P. M. Swamy Anitha Raman Santosh Kumar S. P. Singh R. B. Yadaw O. N. Singh J. N. Reddy A. Anandan Shailesh Yadav Challa Venkataeshwarllu Amelia Henry Satish Verulkar N. P. Mandal T. Ram Jyothi Badri Prashant Vikram Arvind Kumar |
author_facet | Nitika Sandhu Shalabh Dixit B. P. M. Swamy Anitha Raman Santosh Kumar S. P. Singh R. B. Yadaw O. N. Singh J. N. Reddy A. Anandan Shailesh Yadav Challa Venkataeshwarllu Amelia Henry Satish Verulkar N. P. Mandal T. Ram Jyothi Badri Prashant Vikram Arvind Kumar |
author_sort | Nitika Sandhu |
collection | DOAJ |
description | Abstract Background Climate extremes such as drought and flood have become major constraints to the sustainable rice crop productivity in rainfed environments. Availability of suitable climate-resilient varieties could help farmers to reduce the grain yield losses resulting from the climatic extremities. The present study was undertaken with an aim to develop high-yielding drought and submergence tolerant rice varieties using marker assisted introgression of qDTY 1.1 , qDTY 2.1 , qDTY 3.1 and Sub1. Performance of near isogenic lines (NILs) developed in the background of Swarna was evaluated across 60 multi-locations trials (MLTs). The selected promising lines from MLTs were nominated and evaluated in national trials across 18 locations in India and 6 locations in Nepal. Results Grain yield advantage of the NILs with qDTY 1.1 + qDTY 2.1 + qDTY 3.1 + Sub1 and qDTY 2.1 + qDTY 3.1 + Sub1 ranged from 76 to 2479 kg ha− 1 and 396 to 2376 kg ha− 1 under non-stress (NS) respectively and 292 to 1118 kg ha− 1 and 284 to 2086 kg ha− 1 under reproductive drought stress (RS), respectively. The NIL, IR96322–34-223-B-1-1-1-1 having qDTY 1.1 + qDTY 2.1 + qDTY 3.1 + Sub1 has been released as variety CR dhan 801 in India. IR 96321–1447-651-B-1-1-2 having qDTY 1.1 + qDTY 3.1 + Sub 1 and IR 94391–131–358-19-B-1-1-1 having qDTY 3.1 + Sub1 have been released as varieties Bahuguni dhan-1′ and ‘Bahuguni dhan-2’ respectively in Nepal. Background recovery of 94%, 93% and 98% was observed for IR 96322–34-223-B-1-1-1-1, IR 96321–1447-651-B-1-1-2 and IR 94391–131–358-19-B-1-1-1 respectively on 6 K SNP Infinium chip. Conclusion The drought and submergence tolerant rice varieties with pyramided multiple QTLs can ensure 0.2 to 1.7 t ha− 1 under reproductive stage drought stress and 0.1 to 1.0 t ha− 1 under submergence conditions with no yield penalty under non-stress to farmers irrespective of occurrence of drought and/or flood in the same or different seasons. |
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issn | 1939-8425 1939-8433 |
language | English |
last_indexed | 2024-12-21T11:56:03Z |
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spelling | doaj.art-24002ae65e4d4648aa3efff8829bc1302022-12-21T19:04:56ZengSpringerOpenRice1939-84251939-84332019-02-0112111610.1186/s12284-019-0269-yMarker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone AreasNitika Sandhu0Shalabh Dixit1B. P. M. Swamy2Anitha Raman3Santosh Kumar4S. P. Singh5R. B. Yadaw6O. N. Singh7J. N. Reddy8A. Anandan9Shailesh Yadav10Challa Venkataeshwarllu11Amelia Henry12Satish Verulkar13N. P. Mandal14T. Ram15Jyothi Badri16Prashant Vikram17Arvind Kumar18International Rice Research InstituteInternational Rice Research InstituteInternational Rice Research InstituteInternational Rice Research InstituteICAR Research Complex for Eastern RegionBihar Agricultural UniversityNational Rice Research Program HardinathICAR-National Rice Research InstituteICAR-National Rice Research InstituteICAR-National Rice Research InstituteInternational Rice Research InstituteInternational Rice Research Institute, South Asia Hub, ICRISATInternational Rice Research InstituteIndira Gandhi Krishi VishwavidyalayaCentral Rainfed Upland Rice Research station, National Rice Research InstituteICAR-Indian Institute of Rice ResearchICAR-Indian Institute of Rice ResearchInternational Rice Research InstituteInternational Rice Research InstituteAbstract Background Climate extremes such as drought and flood have become major constraints to the sustainable rice crop productivity in rainfed environments. Availability of suitable climate-resilient varieties could help farmers to reduce the grain yield losses resulting from the climatic extremities. The present study was undertaken with an aim to develop high-yielding drought and submergence tolerant rice varieties using marker assisted introgression of qDTY 1.1 , qDTY 2.1 , qDTY 3.1 and Sub1. Performance of near isogenic lines (NILs) developed in the background of Swarna was evaluated across 60 multi-locations trials (MLTs). The selected promising lines from MLTs were nominated and evaluated in national trials across 18 locations in India and 6 locations in Nepal. Results Grain yield advantage of the NILs with qDTY 1.1 + qDTY 2.1 + qDTY 3.1 + Sub1 and qDTY 2.1 + qDTY 3.1 + Sub1 ranged from 76 to 2479 kg ha− 1 and 396 to 2376 kg ha− 1 under non-stress (NS) respectively and 292 to 1118 kg ha− 1 and 284 to 2086 kg ha− 1 under reproductive drought stress (RS), respectively. The NIL, IR96322–34-223-B-1-1-1-1 having qDTY 1.1 + qDTY 2.1 + qDTY 3.1 + Sub1 has been released as variety CR dhan 801 in India. IR 96321–1447-651-B-1-1-2 having qDTY 1.1 + qDTY 3.1 + Sub 1 and IR 94391–131–358-19-B-1-1-1 having qDTY 3.1 + Sub1 have been released as varieties Bahuguni dhan-1′ and ‘Bahuguni dhan-2’ respectively in Nepal. Background recovery of 94%, 93% and 98% was observed for IR 96322–34-223-B-1-1-1-1, IR 96321–1447-651-B-1-1-2 and IR 94391–131–358-19-B-1-1-1 respectively on 6 K SNP Infinium chip. Conclusion The drought and submergence tolerant rice varieties with pyramided multiple QTLs can ensure 0.2 to 1.7 t ha− 1 under reproductive stage drought stress and 0.1 to 1.0 t ha− 1 under submergence conditions with no yield penalty under non-stress to farmers irrespective of occurrence of drought and/or flood in the same or different seasons.http://link.springer.com/article/10.1186/s12284-019-0269-yDroughtMarker-assisted breedingQTL pyramidingRiceSubmergenceVarieties |
spellingShingle | Nitika Sandhu Shalabh Dixit B. P. M. Swamy Anitha Raman Santosh Kumar S. P. Singh R. B. Yadaw O. N. Singh J. N. Reddy A. Anandan Shailesh Yadav Challa Venkataeshwarllu Amelia Henry Satish Verulkar N. P. Mandal T. Ram Jyothi Badri Prashant Vikram Arvind Kumar Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas Rice Drought Marker-assisted breeding QTL pyramiding Rice Submergence Varieties |
title | Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas |
title_full | Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas |
title_fullStr | Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas |
title_full_unstemmed | Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas |
title_short | Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas |
title_sort | marker assisted breeding to develop multiple stress tolerant varieties for flood and drought prone areas |
topic | Drought Marker-assisted breeding QTL pyramiding Rice Submergence Varieties |
url | http://link.springer.com/article/10.1186/s12284-019-0269-y |
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