Research Article
Construction of Genetic Linkage Map and QTL Analysis of Sink-Size Traits in Pearl Millet (Pennisetum glaucum)
Table 5
QTLs identified for panicle diameter in the F2:3 and F2 pearl millet mapping populations.
| | Model | Phenotyped
generation | LG | Position
(cM) | Flanking markers | LOD |
2
(%) | Additive effects () | Dominance effects () | Interaction between
loci | Epistatic effects () |
(%) |
| | Additive | F2:3 | 2 | 80 | Xpsms78-Xpsmp592 | 14.7 | 30.2 | 1.9 (24.4) | | — | — | | | | 3 | 116 | Xpsmp2222-Xpsms17 | 14.0 | 29.0 | 2.0 (28.6) | | — | — | | | | 6 | 104 | Xpsms88-Xpsmp2270 | 5.4 | 12.4 | 1.0 (8.9) | | — | — | | | | 7 | 50 | Xpsms6-Xpsmp2203 | 3.6 | | 1.1 (10.2) | | — | — | 44.3 | | F2 | No significant QTL detected | | | | | | | |
| | Additive + dominance | F2:3 | 2 | 80 | Xpsms78-Xpsmp592 | 14.7 | 30.2 | 1.9 (26.4) | 0.1 (0.1) | — | — | | | | 3 | 116 | Xpsmp2222-Xpsms17 | 14.5 | 29.9 | 2.0 (29.1) | 0.3 (0.5) | — | — | | | | 5 | 58 | Xpsms74-Xpsms2 | 2.6 | 6.3 | 0.6 (3.6) | −0.6 (2.1) | — | — | | | | 6 | 104 | Xpsms88-Xpsmp2270 | 5.4 | 12.5 | 1.1 (9.7) | 0.0 (0.0) | — | — | | | | 7 | 48 | Xpsms6-Xpsmp2203 | 4.0 | 9.2 | 1.1 (9.7) | 0.4 (0.8) | — | — | 45.8 | | F2 | No significant QTL detected | | | | | | | |
| | Epistatic | F2:3 | 2 | 80 | Xpsms78-Xpsmp592 | 14.7 | 30.2 | 1.1 (0.9) | −0.1 (0.0) | A1 * D2 | 1.4 (2.8) | | | | 3 | 116 | Xpsmp2222-Xpsms17 | 14.5 | 29.9 | 0.8 (0.5) | 1.0 (0.4) | | | | | | 5 | 58 | Xpsms74-Xpsms2 | 2.6 | 6.3 | 1.4 (1.7) | −2.3 (2.8) | | | | | | 6 | 104 | Xpsms88-Xpsmp2270 | 5.4 | 12.5 | 2.5 (1.0) | 0.0 (0.0) | | | | | | 7 | 48 | Xpsms6-Xpsmp2203 | 4.0 | 9.2 | 1.3 (1.3) | 1.0 (0.4) | | | 41.0 | | F2 | No significant QTL detected | | | | | | | |
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