Table III.
QTLs for early growth traits determined in the F4 RIL population of A. tauschii, derived from the cross between accession PI603228 and Ciae4
P1, Marker present in PI603228; P2, marker present in Ciae4; numbers within brackets, total number of significant QTLs for that trait; chromosome number, D genome of T. aestivum.
| Trait
|
Chromosome
|
Position
|
Peak LOD
|
Variance Explained
|
Additive Effecta
|
Cofactor Marker
|
||
|---|---|---|---|---|---|---|---|---|
| Per QTL | Average per Trait | Total per Trait | ||||||
| cM | % | % | ||||||
| Plant | ||||||||
| RGR2 (3) | 7D | 44.3 | 2.66 | 7 | 8 | 24 | −1.7 | E45M52-150-P1 |
| 7D | 55.7 | 3.07 | 8 | −1.9 | E42/M52-278-P2 | |||
| 7D | 65.5 | 3.59 | 9 | −2.1 | E36/M61-122-P1 | |||
| RGRtotal (2) | 1D | 42.2 | 3.42 | 10 | 10 | 20 | 1.6 | E36/M51-111-P1 |
| 4D | 19.5 | 3.57 | 10 | −1.6 | Xgwm165 | |||
| LAR (5) | 1D | 78.2 | 3.91 | 8 | 11 | 53 | −3.4 | E48/M61-240-P1 |
| 5D | 10 | 4.24 | 14 | 4.6 | E36/M51-196-P1 | |||
| 5D | 30.2 | 3.63 | 9 | 3.6 | E51/M51-349-P1 | |||
| 5D | 97.1 | 5.03 | 12 | 4.2 | E51/M51-397-P2 | |||
| 6D | 21.7 | 4.65 | 10 | 3.7 | E36/M51-177-P1 | |||
| ULR (2) | 3D | 56.1 | 3.25 | 8 | 9 | 18 | 4.1 | E36/M60-186-P2 |
| 5D | 97.1 | 4.08 | 11 | −4.6 | E51/M51-397-P2 | |||
| LMF (7) | 1D | 51.2 | 3.11 | 9 | 8 | 55 | −2.1 | E51/M51-291-P2 |
| 1D | 76.5 | 4.04 | 9 | −2.1 | E36/M51-317-P2 | |||
| 1D | 87.4 | 2.99 | 7 | −1.8 | E36/M60-331-P2 | |||
| 3D | 50.9 | 3.36 | 7 | −1.8 | E51/M52-107-P2 | |||
| 4D | 19.5 | 2.68 | 6 | 1.8 | Xgwm165 | |||
| 5D | 75.5 | 3.70 | 8 | 2.0 | E48M60-265-P2 | |||
| 7D | 45.4 | 4.43 | 9 | 2.1 | E36/M60-74-P2 | |||
| SMF (2) | 2D | 44.3 | 6.00 | 18 | 13 | 25 | 4.0 | E51/M48-225-P1 |
| 3D | 46.7 | 3.01 | 8 | 2.5 | E51/M51-231-P2 | |||
| RMF (10) | 1D | 0 | 3.49 | 7 | 8 | 82 | −2.3 | E36/M61-244-P1 |
| 1D | 61 | 3.85 | 8 | 2.7 | E48/M48-272-P2 | |||
| 1D | 76.5 | 6.12 | 12 | 3.1 | E36/M51-317-P2 | |||
| 1D | 87.4 | 3.72 | 8 | 2.5 | E36/M60-331-P2 | |||
| 2D | 77.9 | 2.94 | 5 | −1.9 | E42/M52-234-P2 | |||
| 3D | 59.2 | 2.92 | 5 | 2.0 | E36/M61-434-P2 | |||
| 4D | 14.5 | 4.91 | 8 | −2.9 | E45/M52-147-P2 | |||
| 5D | 75.5 | 4.93 | 9 | −2.7 | E48/M60-265-P2 | |||
| 5D | 119.1 | 6.15 | 14 | −3.5 | E36/M60-270-P1 | |||
| 7D | 55.7 | 4.52 | 7 | −2.4 | E42/M52-278-P2 | |||
| Mean (plant): | 9 | 40 | ||||||
| Shoot | ||||||||
| No. leaves (4) | 1D | 25 | 4.17 | 9 | 11 | 43 | 5.5 | E51/M48-216-P2 |
| 2D | 101 | 4.87 | 11 | −6.4 | E45/M52-130-P1 | |||
| 4D | 10 | 3.67 | 11 | 6.6 | E51/M52-80-P2 | |||
| 5D | 86.7 | 5.89 | 13 | 6.8 | E42/M52-241-P1 | |||
| Areatotal (2) | 5D | 86.7 | 3.93 | 10 | 13 | 26 | 6.2 | E42/M52-241-P1 |
| 5D | 114.1 | 4.56 | 16 | 8.5 | E45/M58-345-P2 | |||
| Leaf mass (5) | 1D | 76.5 | 2.77 | 6 | 7 | 36 | −5.1 | E36/M51-317-P2 |
| 5D | 119.1 | 3.72 | 11 | 6.8 | E36/M60-270-P1 | |||
| 6D | 0 | 2.97 | 6 | 5.9 | Xgwm469 | |||
| 6D | 25.7 | 2.69 | 5 | −4.5 | E45/M58-336-P1 | |||
| 7D | 44.1 | 3.81 | 8 | 5.1 | Xgwm437 | |||
| DML (1) | 2D | 72.6 | 3.93 | 11 | 11 | 11 | 2.2 | Xgwm515 |
| DMS (4) | 2D | 39.3 | 3.91 | 12 | 12 | 46 | 3.0 | E51/M48-225-P1 |
| 2D | 72.6 | 4.18 | 10 | 2.3 | Xgwm515 | |||
| 5D | 86.7 | 5.5 | 13 | −2.8 | E42/M52-241-P1 | |||
| 6D | 23.6 | 4.82 | 11 | 2.5 | E51/M52-247-P1 | |||
| SLA (1) | 5D | 20.1 | 2.92 | 8 | 8 | 8 | 3.4 | E48/M52-362-P2 |
| RTR (1) | 5D | 98.9 | 2.98 | 9 | 9 | 9 | 9.5 | E48/M48-202-P2 |
| RlaR (1) | 5D | 99.1 | 2.78 | 9 | 9 | 9 | 3.8 | E48/M48-314-P2 |
| Mean (shoot): | 10 | 24 | ||||||
| Leaf | ||||||||
| LER (3) | 2D | 101 | 3.07 | 8 | 10 | 31 | 2.9 | E45/M52-130-P1 |
| 5D | 5 | 5.59 | 15 | −3.8 | Xgwm565 | |||
| 5D | 52.7 | 3.32 | 9 | −2.9 | E36/M51-103-P2 | |||
| LED (5) | 1D | 61.9 | 2.76 | 6 | 9 | 42 | 2.4 | E48/M48-272-P2 |
| 1D | 78.2 | 3.3 | 7 | 2.5 | E48/M61-240-P1 | |||
| 2D | 108.7 | 6.01 | 15 | 3.7 | E36/M60-210-P1 | |||
| 6D | 37.3 | 3.53 | 8 | −2.5 | E48/M60-87-P2 | |||
| 7D | 43.8 | 2.9 | 6 | 2.2 | E42/M51-446-P2 | |||
| Length (5) | 2D | 103.7 | 8.45 | 15 | 10 | 50 | 4.8 | E36/M60-210-P1 |
| 5D | 9.9 | 5.89 | 10 | −3.8 | E36/M61-185-P2 | |||
| 5D | 49.3 | 4.45 | 7 | −3.3 | E48/M48-217-P2 | |||
| 6D | 45.8 | 4.44 | 8 | −3.3 | E48/M60-225-P1 | |||
| 7D | 44.3 | 6.13 | 10 | 3.7 | E45/M52-150-P1 | |||
| Width (6) | 1D | 66.9 | 4.25 | 11 | 10 | 61 | −3.4 | Xgwm458 |
| 1D | 78.9 | 6.13 | 14 | −3.8 | E45/M52-274-P1 | |||
| 2D | 173.7 | 3.25 | 7 | −2.6 | E42/M51-482-P2 | |||
| 4D | 25.5 | 2.91 | 8 | 3.1 | Xgwm165 | |||
| 5D | 83.5 | 5.69 | 13 | 3.9 | E42/M52-241-P1 | |||
| 7D | 45.3 | 4.48 | 10 | 3.2 | E51/M52-189-P1 | |||
| Arealeaf3 (3) | 2D | 108.7 | 3.51 | 8 | 7 | 20 | 4.9 | E36/M60-210-P1 |
| 4D | 19.5 | 2.66 | 5 | 4.0 | Xgwm165 | |||
| 5D | 20.3 | 3.59 | 7 | −4.6 | E42/M51-306-P1 | |||
| Sheath (5) | 2D | 103.7 | 7.63 | 12 | 8 | 38 | 6.6 | E36/M60-210-P1 |
| 3D | 47.3 | 3.64 | 5 | 4.3 | E36/M60-80-P2 | |||
| 5D | 65.4 | 6.57 | 10 | −5.8 | E42/M52-486-P2 | |||
| 6D | 41.3 | 3.93 | 6 | −4.4 | E48/M61-388-P1 | |||
| 4D | 0 | 3.58 | 5 | −4.3 | E51/M52-80-P2 | |||
| Mean (leaf): | 9 | 41 | ||||||
| Subleaf | ||||||||
| Cell (3) | 2D | 84.2 | 3.35 | 11 | 11 | 33 | −3.8 | E48/M61-376-P2 |
| 2D | 99.8 | 3.43 | 12 | −4.1 | E45/M52-130-P1 | |||
| 2D | 123.6 | 2.94 | 9 | −3.6 | E51/M51-257-P2 | |||
| No. cells (1) | 2D | 103.7 | 10.94 | 28 | 28 | 28 | 9.2 | E36/M60-210-P1 |
| Cell production (2) | 1D | 81.9 | 3.29 | 9 | 14 | 28 | −4.4 | E42/M52-161-P1 |
| 2D | 101 | 7.09 | 20 | 6.7 | E45/M52-130-P1 | |||
| Mean (subleaf): | 15 | 30 | ||||||
| Other | ||||||||
| Seed (1) | 4D | 5 | 2.94 | 9 | 9 | 9 | 6.2 | E45/M52-228-P2 |
| DMR (3) | 1D | 46.2 | 3.49 | 10 | 10 | 30 | −2.7 | E36/M51-111-P1 |
| 3D | 80.4 | 3.38 | 10 | 2.7 | E48/M61-122-P2 | |||
| 6D | 28.3 | 3.78 | 10 | 2.5 | E42/M52-79-P1 | |||
| Mean (other): | 10 | 20 | ||||||
| Mean (overall): | 10 | 32 | ||||||
a
Additive effect in percentage is calculated as follows: [(mean of the PI603228 genotype − mean of the Ciae4 genotype)/2]×100/mean of the heterozygous genotype.