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Research Detail

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Dr. Md. Jamil hasan
Principal Scientific Officer
Head, Hybrid Rice Division, Bangladesh Rice Research Institute, Gazipur-1701

Observational nursery is the nursery from where apparently promising hybrids are come out. Comparing the tested entries with standard check variety which one expressed yield advantage more than 20% over check variety is considered as promising hybrids. Commercial seed production feasibility also assessed in the next season for its commercial viability in terms of hybrid seed production. Then trial is set up for preliminary yield trial, multilocation trials then submitted national hybrid rice yield trial for final evaluation. Out of 45 test hybrids 6 hybrids viz. BRRI 3A/ BRRI 12R, BRRI 3A/ BRRI 14R, BRRI 3A/ Metal R, BRRI 9A/ BRRI 14 R, BRRI 9A/ New R4, Jin 23A/ BRRI 12R, were found more potential and gave more than 1 t/ha yield advantage over BRRI dhan28 with similar growth duration. Five hybrids viz. BRRI 1A/ BRRI 12R, BRRI 1A/ BRRI 14R, II 32A/ New R5 , BRRI 10A/ BRRI 11R, IR 58025A/ BRRI 13R were found more than 1t/ha yield advantage over BRRI hybrid dhan2 with similar growth duration.

  Experimental hybrid, Heterosis, Check variety
  BRRI HQ, Gazipur
  30-11-2008
  31-05-2009
  Variety and Species
  Rice

To selection of promising hybrids from test entries

 

Materials: Forty five (45) experimental hybrids were evaluated along with 3 checks (BRRI dhan28, BRRI dhan29 and BRRI hybrid dhan2). Thirty days old seedlings were transplanted in 2m2 area plot  following RCB design with 3 replications using single seedling per hill at a spacing of 20 cm x15 cm. Fertilizer dose was applied 270:130:120:70:10 Urea- TSP-MP- Gypsum- Zn SO4 kg/ha respectively .

  BRRI Annual Report 200-2009
  
Funding Source:
1.  Government Budget:  30000/-
   30000/-

Out of 45 test hybrids 6 hybrids viz. BRRI3A/ BRRI12R, BRRI 3A/ BRRI 14R, BRRI 3A/ MetalR, BRRI 9A/ BRRI14 R, BRRI 9A/ New R4, Jin 23A/ BRRI 12R, were found more potential and gave more than 1 t/ha yield advantage over BRRI dhan28 with similar growth duration. Five hybrids viz. BRRI1A/ BRRI12R, BRRI 1A/ BRRI14R, II 32A/ New R5 , BRRI10A/ BRRI11R, IR 58025A/ BRRI13R were found more than 1t/ha yield advantage over BRRI hybrid dhan2 with similar growth duration.

  Report/Proceedings
  

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