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Hybrid Rice R&D Program at IRRI Hybrid Rice R&D Program at IRRI Fangming Xie IRRI Dec. 12-13, 2011, Sanya, China 4.3 0.6 Hybrid rice R&D outside China started in the later of 70’s & earlier of 80’s, but no significant commercial production until 2000’s: (1) a gap of 20 yrs (1980-2000) between research & production (>0.5 million ha) (2) a gap of 15 yrs (1991-2005) from the 1 st hybrid release to 2 million ha (China in 1 yr) Hybrid Rice Status in Major Hybrid Rice Countries (2009) Country China Bangladesh India Indonesia Philippines Viet Nam USA Myanmar Total Rice Area (million ha) 29.9 11.4 41.9 12.9 4.5 7.4 1.3 8.0 % of Hybrid Rice In Total Rice Area 52.1 7.0 3.9 5.0 4.4 10.1 15.9 1.0 Hybrid Rice Released for Commercial Production in the Philippines More hybrids released recently Hybrid yield increased (6.6 t/ha currently) Since 1994, 44 hybrids released for commercial production in the Philippines, 11 from IRRI Hybrid Rice Area in India 2000 1500 1000 AreaArea (000(000500 ha) ha) 0 1995 1998 2001 2004 2007 2010 Year Hybrid Rice Area in Total Rice Area = 3.86% (2009) Area (000 ha) 100 200 300 400 500 600 700 800 0 1992 1993 1994 Vietnam In Area Rice Hybrid 1995 1996 Hybrid Rice Area in Total Rice Area 10.1% (2009) =Area Rice inTotal Area Rice Hybrid 1997 1998 Vietnam in Rice Production Hybrid 1999 Year 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Yield (t/ha) 5.2 5.4 5.6 5.8 6.0 6.2 6.4 6.6 6.8 7.0 1992 1993 1994 YieldRice Vietnam In Hybrid 1995 1996 1997 1998 1999 Year 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Average Trend of Hybrid Rice Development Public Private Outside Outside China China China China R & D Commercialization Private and public sectors for Hybrid Rice • Advantages of private companies – Product-oriented R & D pipelines – Large scale of seed production & processing – Marketing • Advantages of public sector & IRRI – Technology research & innovation – Diverse germplasm & long term breeding – Collaboration, network & capacity building – Public interest Hybrid Rice Development Consortium (HRDC) • Complementary Advantages – Enhance steady stream of innovation & research outputs – Improve product accessibility & commercial use – Involvement of private sector in ensuring sustainable growth of hybrid rice • Established by IRRI in 2008, w/ 38 public & private organizations HRDC Objectives • Support research for parent and hybrid development – Hybrid rice research (heterosis & other traits); – Develop hybrids & parents and share w/ partners • Provide information on the performance of hybrids & develop best management practices • Support information sharing, public awareness & capacity building 2011 HRDC Organization Country * Private Public Country Private Public Bangladesh 1 2 Iran 2 Belgium 1 Malaysia 1 2 Benin 1 Mali 1 China 1 6 Myanmar 1 Colombia 1 1 Pakistan 1 Costa Rica 1 Philippines 1 Dominican Republic 1 Singapore 1 Egypt 1 Sri Lanka 1 Germany 1 Thailand 1 India 17 3 USA 2 2 Indonesia 1 1 Vietnam 1 Total: Private = 27 , Public = 30 * The country is the member registered country in HRDC Hybrid Rice Breeding Materials Materials 2010 2011 New Crosses for breeding 182 252 New Hybrids Tested 2886 2249 F2 Population 72 127 AxB Pairs 1203 950 Breeding Lines > F2 8743 8324 Total Breeding Lines 13,086 11,902 Stage IV (AYT) Hybrids Tested 200 220 Parent and Hybrid Seed Production 300 Seed Production Plot Hybrid/Parent Combination 250 200 150 Number 100 50 0 2005 2006 2007 2008 2009 2010 2011 Year Seed Production Plot = small scale of seed production Hybrid combination = hybrids > Stage 1 IRRI Hybrids Released Commercially in the Philippines from 1994 IRRI Code Hybrid Name Year IR81949H Mestizo 32 2011 IR80637H Mestiso 31 2011 IR84714H Mestizo 30 2011 IR82372H Mestizo 26 2010 IR82363H Mestizo 25 2010 IR83199H Mestizo 21 2009 IR78386H Mestizo 7 2006 IR75217H Mestizo 3 2002 IR75207H Mestizo 2 2002 IR68284H Mestizo 1 1997 IR64616H Magat 1994 Yield (kg/ha) of IRRI hybrids tested since 2008 & compared with IR75217H DS Data Point Yield % > CK WS Data Point Yield % > CK IR82385H 1 7700 8.0 IR82385H 7 7350 14.8 IR85471H 7 7653 7.4 IR82396H 9 7101 11.0 IR82366H 2 7593 6.5 IR79118H 1 6950 8.6 IR81958H 17 7444 4.4 IR82392H 1 6736 5.3 IR83202H 4 7345 3.0 IR85471H 9 6720 5.0 IR86169H 3 7264 1.9 IR85469H 1 6717 5.0 IR81955H 8 7228 1.4 IR83201H 18 6685 4.5 IR82386H 25 7205 1.1 IR84711H 11 6649 3.9 IR85465H 2 7150 0.3 IR81959H 1 6610 3.3 IR84713H 2 7148 0.3 IR82362H 1 6576 2.8 IR75217H 35 7128 IR83199H 24 6557 2.5 IR81958H 16 6473 1.1 IR81972H 1 6442 0.7 IR75217H 42 6400 More hybrids, better than hybrid CK, in the pipeline IRRI hybrid rice germplasm shared with partners 4000 HRDC has 57 public 3500 and private sector members 3000 Others 2500 HRDC Bangladesh Formed Vietnam 2000 End of 38 members Indonesia ADB 1500 project China Philippines 1000 India 500 0 2005 2006 2007 2008 2009 2010 2011 JAAS-HRDC Hybrid Rice Training, 2010 (7). 2011 (14) 2008 2009 Multiple Replicated Yield Trials (MRYT) HRDC Member MRYT Location X A Seeds Y B Seeds Z C HRDC-IRRI Data Data 2010 6000 6500 7000 7500 8000 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 HRDC 7864 HRDC1048 8158 HRDC 7792 HRDC1050 7161 HRDC 7760 HRDC1038 6568 HRDC 7574 HRDC1016 6427 HRDC 7533 HRDC1014 6363 HRDC 7498 HRDC1046 6193 HRDC 7479 IRRI HybridHRDC1022 CK 6164 HRDC 7447 HRDC1043 6097 HRDC 7340 HRDC1042 6091 HRDC 7327 HRDC1039 5982 HRDC 7313 HRDC1044 5937 HRDC 7312 HRDC1006 5884 HRDC 7284 HRDC1040 5837 HRDC 7199 HRDC1017 5825 HRDC 7146 HRDC1008 5763 HRDC 7119 HRDC1041 5682 HRDC 7047 HRDC1045 5666 HRDC 6985 HRDC1047 5632 HRDC 6888 HRDC1030 5508 HRDC 6710 HRDC1053 5495 HRDC 6697 HRDC1018 5482 IRRI Inbred CK HRDC1052 5465 HRDC 6695 5447 HRDC 6684 HRDC1003 HRDC1004 5420 HRDC 6583 5398 HRDC 6570 HRDC1001 2010DS 2010WS MRYT Yield Comparison Hybrid rice adoption in India: farm-level impacts and challenges Haryana (Basmati) Uttar Pradesh (regular hybrids) Chattisgarh (regular hybrids) Andhra Pradesh (seed production) Hybrid rice adoption in India: farm-level impacts and challenges Chattisgarh Uttar Pradesh Haryana Details (east) (north) (Basmati) Sample size 61 64 60 Farm size (ha) 6.6 2.0 10.0 Hybrid Inbred Hybrid Inbred Hybrid Inbred Hybrid Yield (t/ha) 4.5 3.3 6.2 5.0 7.5 7.3 Advantage of Hybrid (%) 36.4 24.0 3.0 Net Return ($) 539 478 597 444 839 826 Economic grain of hybrid (%) 12.8 34.5 1.6 Cost of Production ($/t) 135 143 71 85 105 105 1. Side-by-Side Comparison 2. Aldas Janaiah (ANGRAU) 2008/9 Hybrid Rice Impact Study - HRDC Yield Performance of Hybrid Rice, 2008-09 WS (t/ha) State Hybrid Inbred Gain % Gain Chattisgarh 4.5 3.3 1.2 36 Uttar Pradesh 6.2 5.0 1.2 24 Haryana (Basmati hybrid) 7.5 7.3 0.2 3 Yield Gain and Profitability of Hybrid Rice in India 40 30 20 % 10 0 1993-95 1997-98 2000-01 2008-09 -10 -20 Year % yield gain % net income HRDC members select breeding lines & observe MRYT Hybrid rice research priorities at IRRI • Increase and stabilize yields of seed production • Enhance yield heterosis in both dry and wet seasons to >20% • Improve hybrid rice grain quality – Reduce chalk – Increase head rice recovery • Improve resistance to biotic stresses • Develop hybrids for unfavorable environments • Improve breeding efficiency ( biotech ) Other on-going Hybrid Rice R & D at IRRI • Developing hybrid rice parents & hybrids using conventional & molecular marker technologies – Yield and yield heterosis – Bacterial blight resistance – Submergence tolerance – Drought tolerance – Low chalk – Outcrossing • Heterosis study – genetics & molecular markers IRRI Hybrid Rice Parents ( 278 ) genotyped with 21 SSRs using LiCor 4300 Dendrogram by DARwin 5 using Simple Matching dissimilarity and unweighted Neighbor Joining Genotyping and scoring by M. Baraoidan, S. Quilloy, J. Ferrater Phylogenetic analysis by K. McNally 73 B (100%) 7 B (30%) 16 R (70%) IR58025 B ZS97 B 5 R (100%) 49 R (100%) 53 R (100%) IR9761 R (Ce 64R) V20 B 23 B (66%) 34 R (100%) 12 R (34%) 0 0.5 Future Opportunities Strength partnership with public and private sectors; Increase seed yield; High seed yielding parents and seed production technology Training seed growers Enhance yield and yield heterosis: Applying biotechnology for parent selection (heterotic groups and/or heterotic gene blocks) Exploiting sub-subspecies heterosis Develop hybrids for unfavorable environments Improve resistance/tolerance to stress, grain quality Improve agronomic management and deployment strategy Announcement The 6th International Hybrid Rice Symposium Sept. 8 - 11, 2012 Hyderabad International Conference Center Hyderabad, India.
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