Table 2. Significant QTLs associated with pod and seed number/plant and seed weight identified and mapped on eight chickpea LGs/chromosomes using an intra-specific mapping population (ICC 4958 × ICC 12968).
| QTLs | LGs/chromosomes | Marker intervals with genetic positions (cM) | Markers associated with QTLs | 2012 | 2013 | ||||
|---|---|---|---|---|---|---|---|---|---|
| LOD | PVE (R2%) | A | LOD | PVE (R2%) | A | ||||
| Caq'PN1.1 & Caq'SN1.1 | CaLG(Chr01) | Ca-IISNP18 (16.8) to Ca-IISNP20 (18.6) | Ca-IISNP18 | NS | NS | NS | 4.6 | 12.7 | 8.9 |
| Caq'PN1.2 & Caq'SN1.2 | CaLG(Chr01) | Ca-IISNP32 (29.5) to Ca-IISNP35 (32.1) | Ca-IISNP34 | 5.1 | 7.8 | 4.5 | NS | NS | NS |
| Caq'PN1.3 & Caq'SN1.3 | CaLG(Chr01) | Ca-IISNP116 (127.6) to Ca-IISNP119 (130.9) | Ca-IISNP116 | 8.5 | 12.4 | 6.3 | 7.8 | 14.7 | 5.4 |
| Caq'PN2.1 & Caq'SN2.2 | CaLG(Chr02) | Ca-IISNP330 (154.9) to Ca-IISNP332 (157.5) | Ca-IISNP331 | 10.5 | 10.8 | 11.4 | 9.8 | 12.4 | 8.9 |
| Caq'PN3.1 & Caq'SN3.1 | CaLG(Chr03) | Ca-IISNP398 (24.7) to Ca-IISNP401 (27.7) | Ca-IISNP399 | 6.4 | 9.4 | 10.9 | NS | NS | NS |
| Caq'PN4.1 & Caq'SN4.1 | CaLG(Chr04) | Ca-IISNP649 (12.7) to Ca-IISNP651 (123.1) | Ca-IISNP649 | 11.4 | 19.8 | 12.9 | 10.2 | 18.5 | 9.5 |
| Caq'PN5.1 & Caq'SN5.1 | CaLG(Chr05) | Ca-IISNP831 (89.1) to Ca-IISNP834 (92.5) | Ca-IISNP832 | 8.5 | 12.5 | 6.5 | 7.3 | 14.7 | 5.7 |
| Caq'PN6.1 & Caq'SN6.1 | CaLG(Chr06) | Ca-IISNP1104 (154.8) to Ca-IISNP1108 (157.6) | Ca-IISNP1106 | NS | NS | NS | 4.8 | 8.5 | 5.1 |
| Caq'PN7.1 & Caq'SN7.1 | CaLG(Chr07) | Ca-IISNP1332 (199.5) to Ca-IISNP1335 (202.2) | Ca-IISNP1335 | 5.7 | 6.8 | 10.2 | NS | NS | NS |
| aCaq'PN8.1 & Caq'SN8.1 | CaLG(Chr08) | Ca-IISNP1487 (152.9) to Ca-IISNP1489 (154.6) | Ca-IISNP1487 | 9.6 | 9.5 | 3.1 | 8.5 | 8.8 | 2.5 |
| Caq'SW1.1 | CaLG(Chr01) | Ca-IISNP151 (169.1) to Ca-IISNP154 (171.3) | Ca-IISNP152 | 13.8 | 25.8 | 10.7 | 12.6 | 24.5 | 8.9 |
| Caq'SW1.2 | CaLG(Chr01) | Ca-IISSR55 (196.5) to Ca-IISSR25 (199.5) | Ca-IISSR55 | 8.5 | 11.6 | 3.9 | NS | NS | NS |
| Caq'SW1.3 | CaLG(Chr01) | Ca-IISNP186 (202.6) to Ca-IISSR56 (204.9) | Ca-IISNP186 | 9.5 | 13.4 | 5.1 | 8.7 | 16.3 | 4.6 |
| aCaq'SW2.1 | CaLG(Chr02) | Ca-IISNP234 (44.2) to Ca-IISNP238 (47.6) | Ca-IISNP236 | 7.6 | 9.7 | 4.7 | 7.0 | 9.5 | 5.1 |
| Caq'SW3.1 | CaLG(Chr03) | Ca-IISNP465 (115.6) to Ca-IISNP468 (118.5) | Ca-IISNP466 | NS | NS | NS | 7.2 | 10.6 | 8.6 |
| Caq'SW4.1 | CaLG(Chr04) | Ca-IISNP579 (3.3) to Ca-IISNP581 (5.8) | Ca-IISNP579 | 8.5 | 10.3 | 4.7 | 7.8 | 11.4 | 3.8 |
| aCaq'SW4.2 | CaLG(Chr04) | Ca-IISNP749 (275.3) to Ca-IISNP752 (278.8) | Ca-IISNP751 | 6.9 | 9.8 | 7.1 | 6.5 | 8.5 | 6.7 |
| Caq'SW6.1 | CaLG(Chr06) | Ca-IISNP972 (13.2) to Ca-IISNP975 (16.0) | Ca-IISNP974 | 4.7 | 8.7 | 8.9 | NS | NS | NS |
*Caq'PN1.1 (Cicer arietinum QTL for pod number on chromosome 1 number 1), Caq'SN1.2 (Cicer arietinum QTL for seed number on chromosome 1 number 2) and Caq'SW2.1 (Cicer arietinum QTL for 100-seed weight on chromosome 2 number 1), PVE: Percentage of phenotypic variation explained by QTLs, A: Additive effect; positive additive effect infers alleles from ICC 4958 with increasing trait values. Details regarding Ca-IISSR and Ca-IISNP markers are provided in the Supplementary Table S1.
aknown QTLs from previous studies by Cobos et al. (28,44), Hossain et al. (45), Varshney et al. (22) and Gowda et al. (37). NS: non-significant QTLs.