Research Article
Construction of Genetic Linkage Map and QTL Analysis of Sink-Size Traits in Pearl Millet (Pennisetum glaucum)
Table 4
Putative QTLs identified for panicle length in the F2:3 and F2 pearl millet mapping populations.
| Model | Phenotyped generation | LG | Position (cM) | Flanking markers | LOD |
2 (%) | Additive effects (2par) | Dominance effects (2par) | Interaction between loci | Epistatic effects (2par) |
2
adj (%) |
| Additive | | | | | | | | | | | | F2:3 | 1 | 18 | Xpsms86-Xpsms39 | 4.1 | 9.4 | −0.8 (8.9) | | — | — | | | 2 | 48 | Xpsmp2237-Xpsms89 | 5.9 | 13.5 | −1.6 (25.9) | | — | — | | | 3 | 104 | Xpsms68-Xpsmp2222 | 4.9 | 11.3 | 1.0 (9.3) | | — | — | | | 4 | 26 | Xpsms77-Xpsmp2084 | 2.9 | 7.0 | 0.8 (6.8) | | — | — | | | 6 | 4 | Xicmp3081-Xpsms88 | 3.3 | 8.1 | −0.1 (8.2) | | — | — | | | 6 | 104 | Xpsms88-Xpsmp2270 | 8.0 | 17.9 | −1.3 (17.6) | | — | — | | | 7 | 42 | Xpsms6-Xpsmp2203 | 3.5 | 8.2 | −0.8 (8.0) | | — | — | 40.7 | F2 | No significant QTL detected | | | | | | | |
| Additive + dominance | F2:3 | 1 | 18 | Xpsms86-Xpsms39 | 4.6 | 10.7 | −0.8 (8.7) | 0.4 (1.4) | — | — | | | 2 | 48 | Xpsmp2237-Xpsms89 | 6.1 | 13.9 | −1.6 (26.9) | −0.1 (0.1) | — | — | | | 3 | 104 | Xpsms68-Xpsmp2222 | 5.6 | 12.8 | 1.9 (11.5) | 0.0 (0.0) | — | — | | | 3 | 130 | Xpsms32-Xpsms61 | 2.6 | 6.1 | −1.0 (4.5) | 0.7 (0.6) | — | — | | | 4 | 28 | Xpsms77-Xpsmp2084 | 3.2 | 7.6 | 0.7 (5.4) | −0.3 (0.4) | — | — | | | 6 | 22 | Xicmp3081-Xpsms88 | 3.4 | 8.3 | −1.1 (9.2) | 0.4 (0.3) | — | — | | | 6 | 104 | Xpsms88-Xpsmp2270 | 8.2 | 18.2 | −1.1 (12.8) | 0.2 (0.3) | — | — | | | 7 | 44 | Xpsms6-Xpsmp2203 | 3.7 | 8.5 | −0.7 (6.8) | −0.3 (0.9) | — | — | 42.7 | F2 | 2 | 96 | Xpsm592-Xpsms75 | 3.3 | 7.8 | −1.7 (0.5) | 0.7 (0.7) | — | — | | | 6 | 64 | Xicmp3081-Xpsms88 | 3.7 | 8.9 | −2.0 (3.4) | 4.9 (3.4) | — | — | 13.1 |
| Epistatic | F2:3 | 1 | 18 | Xpsms86-Xpsms39 | 4.6 | 10.7 | −1.6 (1.4) | −0.4 (0.0) |
D1 * D6 | −4.8 (6.8) | | | 2 | 48 | Xpsmp2237-Xpsms89 | 6.1 | 13.9 | −3.3 (4.3) | 3.3 (1.8) | A3 * A7 | 6.6 (12.3) | | | 3 | 104 | Xpsms68-Xpsmp2222 | 5.6 | 12.8 | −9.1 (1.3) | 8.0 (0.4) | D3 * D8 | 7.1 (6.5) | | | 3 | 130 | Xpsms32-Xpsms61 | 2.6 | 6.1 | 8.9 (1.3) | 16.5 (2.8) | A4 * A7 | −4.7 (11.2) | | | 4 | 28 | Xpsms77-Xpsmp2084 | 3.2 | 7.6 | 1.0 (0.2) | −2.8 (1.4) | | | | | 6 | 22 | Xicmp3081-Xpsms88 | 3.4 | 8.3 | 0.8 (0.2) | 5.0 (1.0) | | | | | 6 | 104 | Xpsms88-Xpsmp2270 | 8.2 | 18.2 | 2.8 (0.6) | 6.2 (2.2) | | | | | 7 | 44 | Xpsms6-Xpsmp2203 | 3.7 | 8.5 | −1.8 (2.6) | 0.1 (0.0) | | | 40.1 | F2 | 2 | 96 | Xpsm592-Xpsms75 | 3.3 | 7.8 | −0.5 (0.0) | 2.1 (0.4) | — | — | | | 6 | 64 | Xicmp3081-Xpsms88 | 3.7 | 8.9 | −0.4 (0.0) | 6.3 (1.7) | — | — | 12.5 |
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