Table 4.
Quantitative trait loci associated with FHB resistance (FHB), DON accumulation (DON), plant height (HT), heading date (HD), spike length (SL), and spike density (SD) in the Rasmusson × PI383933 recombinant inbred line (RIL) population.
| Trait | Chr. (Bin)a | Marker position (cM) (confidence interval)b,c | St. Paul 2015 | Crookston 2015 | Saint Paul 2016 | Crookston 2016 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LOD | R2 (%)d | Effecte | LOD | R2 (%) | Effect | LOD | R2 (%) | Effect | LOD | R2 (%) | Effect | |||
| FHB | 2H(3) | 28.7 (S_145190–S_143250) | 8.56 | 29.0 | 8.51 | |||||||||
| 5H(15) | 212.7 (S_151407–B2_12_10322) | 3.43 | 6.2 | 5.05 | ||||||||||
| 6H(6) | 58.0 (S_9980–S_144579) | 3.92 | 9.8 | -5.60 | ||||||||||
| 6H(6-7) | 66.9 (B2_12_30144–B1_4313-482) | 3.50 | 9.7 | -5.23 | ||||||||||
| 6H(14) | 133.1 (S_204188–B2_12_30025) | 3.16 | 5.5 | 4.37 | ||||||||||
| 7H(7) | 92.0 (B2_12_31203–B1_2251-643) | 12.43 | 33.6 | -10.48 | 5.93 | 18.6 | -5.82 | 7.56 | 22.6 | -7.61 | ||||
| DON | 2H(3) | 30.8 (S_145190–S_115892) | 4.41 | 13.0 | 3.80 | 6.21 | 16.8 | 5.55 | ||||||
| 3H(4) | 65.5 (B2_12_20574–B1_3892-2472) | 4.64 | 9.8 | -3.67 | 6.61 | 15.2 | -2.72 | 3.70 | 9.1 | -4.15 | ||||
| 7H(7) | 92.0 (B2_12_31203–B1_2251-643) | 10.12 | 25.5 | -5.50 | 5.40 | 16.8 | -4.31 | 11.75 | 35.6 | -4.17 | 3.78 | 9.8 | -4.22 | |
| HD | 2H(3) | 28.7 (S_145190–S_143250) | 27.80 | 56.5 | 3.37 | 31.07 | 53.8 | 2.97 | 24.76 | 53.4 | 3.76 | 30.17 | 64.5 | 3.53 |
| 5H(11) | 148.3 (S_134711–S_154148) | 10.54 | 13.2 | 1.67 | 7.00 | 6.3 | 1.01 | 7.26 | 9.0 | 1.52 | 5.71 | 6.7 | 1.14 | |
| 6H(6) | 55.2 (S_9980–S_171997) | 3.33 | 3.7 | -0.90 | ||||||||||
| 7H(7) | 97.2 (B2_12_31203–B1_1578-552) | 3.59 | 3.4 | -0.82 | ||||||||||
| HT | 2H(3) | 30.1 (S_145190–B1_5880-2547) | 8.52 | 11.7 | 3.42 | 20.53 | 34.6 | 6.87 | 22.56 | 42.1 | 7.75 | |||
| 3H(13) | 153.0 (B1_5488-1097–B1_6402-691) | 3.66 | 3.2 | -2.16 | ||||||||||
| 5H(6) | 78.7 (B2_12_30111–S_144841) | 7.02 | 6.4 | 3.05 | ||||||||||
| 5H(11) | 158.4 (B2_12_30668–S_157238) | 7.57 | 7.2 | 3.20 | ||||||||||
| 7H(7) | 93.0 (B2_12_31203–S_9736) | 11.77 | 22.1 | 4.73 | 3.47 | 10.7 | 3.95 | 9.63 | 22.9 | 4.05 | 5.58 | 5.8 | 2.91 | |
| SL | 2H(3) | 29.1 (S_145190–S_143250) | 14.32 | 17.2 | 0.48 | 15.49 | 19.6 | 0.58 | 14.93 | 24.6 | 0.67 | 16.61 | 27.3 | 0.80 |
| 5H(6) | 68.9 (B2_12_31034–S_144202) | 5.30 | 5.5 | 0.39 | ||||||||||
| 5H(6) | 78.7 (B2_12_30111–S_171407) | 4.08 | 3.9 | 0.31 | ||||||||||
| 5H(11) | 148.3 (S_206982–S_160288) | 5.53 | 5.5 | 0.27 | 7.69 | 8.3 | 0.44 | |||||||
| 5H(11) | 162.2 (S_197532–B1_407-259) | 3.91 | 3.7 | 0.25 | ||||||||||
| 7H(7) | 94.1 (B1_5-1593–B1_3010-1391) | 20.69 | 39.7 | 0.72 | 18.88 | 35.3 | 0.78 | 11.87 | 19.3 | 0.61 | 11.75 | 18.3 | 0.66 | |
| SD | 4H(1) | 0.6 (S_170785-B1_1996-652) | 5.89 | 5.0 | -0.08 | |||||||||
| 5H(4) | 49.1 (B1_2267-1173–B1_8320-955) | 3.74 | 3.0 | -0.054 | ||||||||||
| 7H(7) | 94.1 (B1_2251–643-S_9736) | 25.68 | 58.6 | -0.24 | 28.90 | 70.2 | -0.31 | 22.39 | 48.3 | -0.26 | 25.20 | 59.7 | -0.27 | |
aBin location of QTL was inferred from Oregon Wolfe barley mapping population (Szücs et al., 2009). bCI represents one LOD score drop on either side of the QTL peak. cAbbreviations for markers, S = SCRI_RS, B1 = BOPA1, B2 = BOPA2. dPercentage of phenotypic variance explained by QTL. eEffect of Rasmusson allele, minus sign indicates reduction in the trait value.