Research Article
Construction of Genetic Linkage Map and QTL Analysis of Sink-Size Traits in Pearl Millet (Pennisetum glaucum)
Table 6
QTLs identified for grain size in the F2:3 and F2 pearl millet mapping populations.
| | Model | | LG | Position
(cM) | Flanking markers | LOD |
(%) | Additive effect () | Dominance effects () | Interaction between loci | Epistatic effects () |
(%) |
| | Additive | F2:3 | 1 | 28 | Xpsms39-Xpsmp2069 | 2.8 | 6.7 | 0.6 (6.4) | | — | — | | | | 3 | 0 | Xpsmp37-Xicmp3073 | 3.1 | 7.5 | 0.6 (10.4) | | — | — | 13.3 | | | | | | | | | | — | — | | | F2 | 3 | 6 | Xpsmp37-Xicmp3073 | 8.8 | 19.0 | 1.5 (22.9) | | — | — | | | | 6 | 100 | Xpsms88-Xpsmp2270 | 4.8 | 11.0 | 0.9 (9.9) | | — | — | 32.2 |
| | Additive + dominance | F2:3 | 1 | 28 | Xpsms39-Xpsmp2069 | 2.8 | 6.7 | 0.5 (6.4) | 0.1 (0.1) | — | — | | | | 3 | 2 | Xpsmp37-Xicmp3073 | 3.7 | 8.9 | 0.6 (9.7) | 0.4 (2.6) | — | — | | | | 5 | 16 | Xicmp3027-Xpsmp2064 | 2.5 | 6.4 | 0.1 (0.3) | −0.8 (4.2) | — | — | | | | 6 | 106 | Xicmp3086-Xpsms59 | 3.3 | 7.7 | 0.5 (6.4) | 0.3 (1.7) | — | — | | | | 7 | 32 | Xpsms76-Xpsms6 | 2.6 | 6.1 | 0.4 (5.6) | −0.2 (0.4) | — | — | 23.6 | | F2 | 3 | 6 | Xpsmp37-Xicmp3073 | 9.4 | 21.2 | 1.5 (24) | 0.6 (2.3) | — | — | | | | 6 | 102 | Xpsms88-Xpsmp2270 | 6.6 | 14.9 | 1.1 (13.2) | 0.7 (3.9) | — | — | 35.6 |
| | Epistatic | F2:3 | 1 | 28 | Xpsms39-Xpsmp2069 | 2.8 | 6.7 | 1.2 (2.2) | −2.0 (4.4) | D1 * D4 | 1.3 (3.4) | | | | 3 | 2 | Xpsmp37-Xicmp3073 | 3.7 | 8.9 | 0.9 (0.6) | 1.6 (1.6) | D1 * A5 | 1.0 (4.3) | | | | 5 | 16 | Xicmp3027-Xpsmp2064 | 2.5 | 6.4 | −1.2 (0.5) | −2.8 (1.5) | A2 * D3 | −1.3 (3.1) | | | | 6 | 106 | Xicmp3086-Xpsms59 | 3.3 | 7.7 | −1.4 (2.0) | −2.3 (4.2) | D2 * D3 | −1.7 (3.7) | | | | 7 | 32 | Xpsms76-Xpsms6 | 2.6 | 6.1 | 0.0 (0.0) | 0.2 (0.0) | D3 * D4 | 3.8 (3.4) | 29.6 | | F2 | 3 | 6 | Xpsmp37-Xicmp3073 | 9.4 | 21.2 | 2.1 (12.1) | −1.1 (2.2) | D1 * D2 | 2.6 (7.9) | | | | 6 | 102 | Xpsms88-Xpsmp2270 | 6.6 | 14.9 | 0.6 (1.0) | −0.8 (1.3) | | | 41.1 |
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