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Research Detail

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Dr.Md.Jamil Hassan
Principal Scientific Officer
Principal Scientific Officer and Head, Hybrid Rice Division, BRRI, Gazipur

Laila Ferdousi Lipi
Scientific Officer
Hybrid Rice Division, BRRI, Gazipur

71 experimental hybrids were grown in augmented design to select promising hybrids with high yield potential and desirable traits. The desirable traits were plant height (cm), number of effective tillers/hill, days of first flowering, spikelet fertility (%), panicle length (cm), thousand seed weight (gm), individual panicle weight(g), grain type and days to maturity. Three standard check varieties were used namely BR11, BRRI dhan49 and BRRI hybrid dhan4. Out of 71 hybrids 2 hybrid combinations namely Jin23A/PR344 and BR11A/BR16R were selected that performed better than checks. The augmented designs are efficient in the selection of superior promising hybrids from large number of population.

  Experimental hybrids, Augmented randomized design, Spikelet fertility
  BRRI, Gazipur
  06-07-2011
  00-00-2011
  Variety and Species
  Rice

Evaluation of experimental hybrids and selection of promising hybrids

Variety: 71 hybrids (Fine grain, High yield with medium grain) along with 3 checks.  Twenty- one- days old seedlings were transplanted in 2m2 area plot  following augmented design with 3 checks using single seedling per hill at a spacing of 20cmx15 cm. Fertilizer dose was applied 150:100:70:60:10 Urea- TSP-MP- Gypsum- Zn SO4 kg/ha respectively.

  Proceedings of BRRI Annual Internal Review for 2011-2012
  
Funding Source:
1.  Government Budget:  
  

Jin23A/PR344 and BR11A/BR16R two (2) promising hybrid combinations were selected out of 71 experimental hybrids based on satisfactory yield advantage over check.

  Report/Proceedings
  

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