Table 1. Comparative analysis of topmost QTLs identified for drought related traits in chickpea from the RIL population of ICC 4958 × ICC 1882 cross using recombination bins as markers (Present study), SSRs (Varshney, et al. 5) and SSRs and SNPs (Jaganathan, et al. 10).
Trait name | Present study |
Varshneyet al.5 |
Jaganathan et al.10 |
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Linkage groups | Flanking markers | Regions | Physical size (Kb) | Genetic size (cM) | LOD | PVE (%) | Linkage groups | Flanking markers | LOD | PVE (%) | Linkage groups | Flanking markers | LOD | PVE (%) | |
RLD | CaLG04 | bin_4_13239546 - bin_4_13378761 | region1 | 139.22 | 0.23 | 5.23 | 10.36 | CaLG04 | NCPGR127 - NCPGR21 | 4.78 | 10.90 | CaLG04 | ICCM0065 - Ca4_11276225 | 4.59 | 12.09 |
PHT | CaLG04 | bin_4_13239546 - bin_4_13378761 | region1 | 139.22 | 0.23 | 24.34 | 41.76 | CaLG04 | NCPGR127 - NCPGR21 | 16.55 | 30.20 | CaLG04 | Ca4_12982420 - TAA170 | 29.16 | 34.57 |
POD | CaLG04 | bin_4_13239546 - bin_4_13378761 | region1 | 139.22 | 0.23 | 9.82 | 16.66 | CaLG04 | NCPGR127 - NCPGR21 | 13.14 | 23.18 | CaLG04 | Ca4_13687456 - TAA170 | 18.79 | 32.34 |
100SDW | CaLG04 | bin_4_13239546 - bin_4_13378761 | region1 | 139.22 | 0.23 | 43.56 | 59.83 | CaLG04 | NCPGR127 - NCPGR21 | 32.38 | 58.20 | CaLG04 | Ca4_13687456 - TAA170 | 50.13 | 60.41 |
DC | CaLG04 | bin_4_13239546 - bin_4_13378761 | region1 | 139.22 | 0.23 | 6.11 | 11.90 | CaLG04 | NCPGR127 - NCPGR21 | 3.54 | 9.38 | — | — | — | — |
RTR | CaLG04 | bin_4_13393647 - bin_4_13547009 | region 2 | 153.36 | 0.22 | 10.57 | 20.09 | CaLG04 | TAA170 - NCPGR21 | 7.59 | 16.67 | CaLG04 | Ca4_13840227 - NCPGR21 | 8.96 | 13.56 |
SDW | CaLG04 | bin_4_13393647 - bin_4_13547009 | region 2 | 153.36 | 0.22 | 13.78 | 25.22 | CaLG04 | TAA170 - NCPGR21 | 7.97 | 17.59 | CaLG04 | Ca4_13840227 - TAA170 | 16.86 | 26.91 |
PBS | CaLG08 | bin_8_6034209 - bin_8_5984553 | region 3 | 49.66 | 9.47 | 5.70 | 11.27 | CaLG06 | TA106 - H1I16 | 3.01 | 8.73 | CaLG08 | CaM0812 - NCPGR164 | 5.27 | 12.92 |
DF | CaLG08 | bin_8_6034209 - bin_8_5984553 | region 3 | 49.66 | 9.47 | 28.19 | 44.76 | CaLG08 | NCPGR164 - CaM1918 | 9.63 | 26.87 | CaLG08 | NCPGR164 - Ca8_3050452 | 46.03 | 67.71 |
HI | CaLG08 | bin_8_6034209 - bin_8_5984553 | region 3 | 49.66 | 9.47 | 8.01 | 15.42 | CaLG01 | cpPb-679915 - CaM0393 | 4.96 | 14.36 | CaLG08 | NCPGR164 - Ca8_3050452 | 14.52 | 25.94 |
DM | CaLG07 | bin_7_12870961 - bin_7_12856579 | — | 14.38 | 0.23 | 19.53 | 45.38 | CaLG04 | NCPGR127 - TAA170 | 8.75 | 19.71 | CaLG08 | NCPGR164 - Ca8_3050452 | 30.01 | 47.43 |
In present study, two regions viz. “QTL-hotspot_a” (region1; bin_4_13239546 - bin_4_13378761) and “QTL-hotspot_b” (region2; bin_4_13393647 - bin_4_13547009) were identified on CaLG04 harbouring QTLs for seven traits.