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Table 2 Mapping populations developed using PB 1121 for mapping and validation of QTLs governing various traits in rice

From: Pusa Basmati 1121 – a rice variety with exceptional kernel elongation and volume expansion after cooking

S. No. Trait(s) mapped Mapping population (Population used) QTLs mapped Marker interval/ linked marker Percent phenotypic variance (PVE %) Reference
(a) Mapping of QTLs for grain and cooking quality traits
1. Grain length PB 1121/Pusa 1342 (RILs) grl1–1 RM431-RM104 10.10 Amarawathi et al. 2008
    grl7–1 RM11-RM505 7.40
    grl7–2 RM505-RM336 5.70
2. Grain breadth PB 1121/Pusa 1342 (RILs) grb7–1 RM11-RM505 10.10
    grb7–2 RM505-RM336 18.90
3. Length/ breadth ratio PB 1121/Pusa 1342 (RILs) lbr7–1 RM11-RM505 10.00
    lbr7–2 RM505-RM336 21.90
4. Elongation ratio PB 1121/Pusa 1342 (RILs) elrl11–1 RM1812-RM209 6.80
5. Amylose content PB 1121/Pusa 1342 (RILs) amy6–1 RM3-RM217 39.60
6. ASV PB 1121/Pusa 1342 (RILs) asv6–1 RM3-RM217 6.90
7. Aroma PB 1121/Pusa 1342 (RILs) aro3–1 RM5474-RM282 10.30
    aro4–1 RM5633-RM273 6.10  
    aro8–1 RM223-RM80 18.90  
8. Resistance to bakanae diseasea PB 1121/Pusa 1342 (RILs) qBK1.1 RM9-RM11282 6.49 Fiyaz et al. 2016
    qBK1.2 RM10153-RM5336 24.70  
    qBK1.3 RM10271-RM35 4.70  
(b) Fine mapping of QTLs and allele mining
9. Aroma PB 1121/Pusa 1342 (RILs) aro3–1 CHR3_22-CHR3_24 11.00 Singh et al. 2007
    aro8–1 CHR8_49-RM44 2.90  
10. Grain length PB 1121/Pusa 1342 (RILs) qGRL7.1 CHR7_34-RM505 15.20 Singh et al. 2012
    qGRL1.1 CHR1_1-RM431 10.80  
    qGRB7.1 CHR7_34-RM505 8.60  
    qLBR7.1 CHR7_34-RM505 8.60  
11. Grain length Sonasal/PB 1121 (RILs) Novel InDel in GS3 aks-GS3–12 Anand et al. 2015
(c) Validation of QTLs
12. Grain length Sonasal/PB 1121 (F2) GS3 SF28 32.50 Anand et al. 2013
    GS3 SR17 7.90  
    GS3 RGS1 12.00  
    GS3 RGS2 6.30  
15. Grain length Sonasal/PB 1121 (F2) qgrl7.1 RM505 5.40 Anand et al. 2013
  1. a PB 1121 is used as a susceptible parent