Table 3.
Closest marker to QTL based on peak LOD, marker position (cM) in the genetic map of respective populations, LOD score, phenotypic variations explained (PVE), mean phenotypic value associated with the parent contributing the allele, and additive value for spike shattering resistance QTL and plant height QTL identified in different environments in Carberry/Thatcher and Carberry/AC Cadillac populations. The analysis was performed by the multiple QTL mapping (MQM) option of MapQTL 6
| Environment | Trait name | QTL | Peak marker | Position, cM | LOD scorea | Phenotypic mean of allele for parent | PVEb, % | Additive effectc | |
|---|---|---|---|---|---|---|---|---|---|
| Carberry/Thatcher | Thatcher | Carberry | |||||||
| Center Farm 2016 | Shattering | Sh.Sparc-4B | Tdurum_contig42229_113 | 106.8 | 3.1 | 2.4 | 1.9 | 4.6 | 0.2 |
| Center Farm 2018 | Shattering | Sh.Sparc-4B | Tdurum_contig42229_113 | 106.8 | 9.9 | 2.9 | 1.9 | 14.2 | 0.5 |
| Field 17 2018 | Shattering | Sh.Sparc-4B | Tdurum_contig42229_113 | 106.8 | 12.8 | 2.9 | 1.7 | 18.0 | 0.6 |
| South Farm 2019 | Shattering | Sh.Sparc-4B | Tdurum_contig42229_113 | 106.8 | 5.8 | 1.7 | 1.2 | 8.7 | 0.3 |
| Centre Farm 2014 | Plant height | Pht.Sparc-4B | Tdurum_contig42229_113 | 106.8 | 55.9 | 101.5 | 83.4 | 58.0 | 9.1 |
| Centre Farm 2015 | Plant height | Pht.Sparc-4B | Tdurum_contig42229_113 | 106.8 | 51.3 | 88.6 | 75.2 | 54.9 | 6.7 |
| Centre Farm 2016 | Plant height | Pht.Sparc-4B | Tdurum_contig42229_113 | 106.8 | 58.6 | 106.5 | 89.0 | 59.7 | 8.8 |
| Centre Farm 2016 | Shattering | Sh.Sparc-5A | Kukri_rep_c102608_599 | 189.67 | 18.1 | 2.7 | 1.5 | 24.5 | 0.6 |
| Centre Farm 2018 | Shattering | Sh.Sparc-5A | Kukri_rep_c102608_599 | 189.67 | 11.0 | 2.9 | 1.8 | 15.7 | 0.6 |
| Field 17 2018 | Shattering | Sh.Sparc-5A | Kukri_rep_c102608_599 | 189.67 | 11.7 | 2.9 | 1.7 | 16.6 | 0.6 |
| South Farm 2019 | Shattering | Sh.Sparc-5A | Kukri_rep_c102608_599 | 189.67 | 7.3 | 1.8 | 1.1 | 10.6 | 0.3 |
| South Farm 2019 | Shattering | Sh.Sparc-7A.1 | BS00092805_51 / Tdurum_contig56417_2381 | 125.4 | 3.0 | 1.7 | 1.3 | 4.6 | 0.2 |
| Carberry/AC Cadillac | AC Cadillac | Carberry | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Centre Farm 2012 | Shattering | Sh.Sparc-1A | RAC875_c60514_90 | 119.46 | 5.5 | 3.7 | 4.5 | 3.2 | − 0.4 |
| South Farm 2012 | Shattering | Sh.Sparc-1A | RAC875_c60514_90 | 119.46 | 3.4 | 3.1 | 3.7 | 2.0 | − 0.3 |
| South Farm 2013 | Shattering | Sh.Sparc-1A | RAC875_c60514_90 | 119.46 | 2.8 | 2.1 | 2.5 | 1.6 | − 0.2 |
| Centre Farm 2013 | Shattering | Sh.Sparc-1A | RAC875_c60514_90 | 119.46 | 5.1 | 1.9 | 2.2 | 3.0 | − 0.2 |
| Centre Farm 2012 | Shattering | Sh.Sparc-2D | RAC875_c5016_314 | 0 | 4.0 | 3.8 | 4.4 | 2.4 | − 0.3 |
| South Farm 2012 | Shattering | Sh.Sparc-2D | RAC875_c5016_314 | 0 | 2.4 | 3.2 | 3.6 | 1.4 | − 0.2 |
| Field 16 2014 | Shattering | Sh.Sparc-2D | RAC875_c5016_314 | 0 | 4.3 | 1.3 | 1.5 | 2.5 | − 0.1 |
| Centre Farm 2012 | Shattering | Sh.Sparc-3A | Wsnp_Ku_C44716_51926415 | 101.45 | 3.1 | 3.8 | 4.4 | 1.8 | − 0.3 |
| Centre Farm 2013 | Shattering | Sh.Sparc-3A | Wsnp_Ku_C44716_51926415 | 101.45 | 3.3 | 1.9 | 2.2 | 1.9 | − 0.1 |
| Centre Farm 2012 | Shattering | Sh.Sparc-3D | wsnp_Ex_c1032_1972537 | 11.87 | 4.6 | 3.8 | 4.4 | 2.7 | − 0.3 |
| Centre Farm 2012 | Shattering | Sh.Sparc-4B | wsnp_BF482960B_Ta_1_4 | 111.2 | 8.8 | 4.6 | 3.6 | 5.1 | 0.5 |
| South Farm 2012 | Shattering | Sh.Sparc-4B | wsnp_BF482960B_Ta_1_4 | 111.2 | 17.5 | 4.0 | 2.8 | 9.8 | 0.6 |
| Centre Farm 20,113 | Shattering | Sh.Sparc-4B | wsnp_BF482960B_Ta_1_4 | 111.2 | 17.9 | 2.4 | 1.7 | 10.1 | 0.3 |
| South Farm 20,113 | Shattering | Sh.Sparc-4B | wsnp_BF482960B_Ta_1_4 | 111.2 | 38.3 | 3.0 | 1.7 | 20.3 | 0.7 |
| Field 16 2014 | Shattering | Sh.Sparc-4B | Ex_c101685_705 | 111.33 | 4.8 | 1.5 | 1.2 | 2.8 | 0.1 |
| Centre Farm 2011 | Plant height | Pht.Sparc-4B | wsnp_BF482960B_Ta_1_4 | 111.2 | 123.0 | 98.3 | 84.8 | 51.9 | 6.8 |
| Centre Farm 2012 | Plant height | Pht.Sparc-4B | wsnp_BF482960B_Ta_1_4 | 111.2 | 116.0 | 99.1 | 86.3 | 49.8 | 6.4 |
| Centre Farm 2013 | Plant height | Pht.Sparc-4B | wsnp_BF482960B_Ta_1_4 | 111.2 | 146.5 | 110.4 | 93.1 | 58.1 | 8.6 |
| South Farm 2013 | Plant height | Pht.Sparc-4B | wsnp_BF482960B_Ta_1_4 | 111.2 | 183.2 | 116.5 | 94.9 | 66.3 | 10.8 |
| Centre Farm 2012 | Shattering | Sh.Sparc-5A | wsnp_Ex_c18107_26909127 | 198.63 | 103.7 | 5.4 | 2.6 | 46.0 | 1.4 |
| South Farm 2012 | Shattering | Sh.Sparc-5A | wsnp_Ex_c18107_26909127 | 198.63 | 102.6 | 4.6 | 2.0 | 46.2 | 1.3 |
| Centre Farm 2013 | Shattering | Sh.Sparc-5A | wsnp_Ex_c18107_26909127 | 198.63 | 38.2 | 2.5 | 1.5 | 20.3 | 0.5 |
| South Farm 2013 | Shattering | Sh.Sparc-5A | wsnp_Ex_c18107_26909127 | 198.63 | 45.0 | 3.0 | 1.5 | 23.6 | 0.7 |
| Field 16 2014 | Shattering | Sh.Sparc-5A | wsnp_Ex_c18107_26909127 | 198.63 | 24.9 | 1.6 | 1.1 | 13.8 | 0.3 |
| Centre Farm 2011 | Plant height | Pht.Sparc-5A | BS00077855_51 | 139.6 | 4.2 | 92.5 | 89.5 | 2.5 | 1.5 |
| Centre Farm 2012 | Plant height | Pht.Sparc-5A | BS00077855_51 | 139.6 | 6.4 | 93.9 | 90.4 | 3.7 | 1.8 |
| Centre Farm 2013 | Plant height | Pht.Sparc-5A | BS00077855_51 | 139.6 | 6.2 | 103.2 | 98.9 | 3.6 | 2.2 |
| South Farm 2013 | Plant height | Pht.Sparc-5A | BS00077855_51 | 139.6 | 5.7 | 107.2 | 102.4 | 3.3 | 2.4 |
| Centre Farm 2012 | Shattering | Sh.Sparc-7A.2 | wsnp_Ex_c19005_27918129 | 145.27 | 3.0 | 4.4 | 3.8 | 1.8 | 0.3 |
| South Farm 2012 | Shattering | Sh.Sparc-7A.2 | wsnp_Ex_c19005_27918129 | 145.27 | 4.1 | 3.7 | 3.1 | 2.4 | 0.3 |
| Field 16 2014 | Shattering | Sh.Sparc-7A.2 | wsnp_Ex_c19005_27918129 | 145.27 | 4.0 | 1.5 | 1.2 | 2.4 | 0.1 |
| Centre Farm 2012 | Shattering | Sh.Sparc-7D | Ku_c17958_576 | 23.78 | 6.5 | 3.7 | 4.6 | 3.7 | − 0.4 |
| South Farm 2012 | Shattering | Sh.Sparc-7D | RAC875_c10636_525 | 12.0 | 7.5 | 3.0 | 3.8 | 3.9 | − 0.4 |
| South Farm 2013 | Shattering | Sh.Sparc-7D | Ku_c17958_576 | 23.78 | 5.8 | 2.0 | 2.6 | 3.4 | − 0.3 |
| Centre Farm 2013 | Shattering | Sh.Sparc-7D | Ku_c17958_576 | 23.78 | 5.8 | 1.8 | 2.3 | 3.4 | − 0.2 |
aMaximum likelihood LOD score for the QTL
bPhenotypic variation explained by the QTL
cPositive additive effect indicates an increasing value of the trait from Thatcher and AAC Cadillac; negative additive effect indicates an increasing value of the trait from Carberry