Table 1.
QTL analysis of volatile compounds produced during alcoholic fermentation (experiment A, geraniol 5mg/L)
| Compounds | Localization | Single QTL scan | Flocculation as a covariable | Fraction of variation explained by the QTL | Heritability | ||
|---|---|---|---|---|---|---|---|
| |
|
LOD |
p-value |
LOD |
p-value |
|
|
| Isoamyl acetate |
|
|
|
|
|
|
33 |
| Isoamyl alcool |
|
|
|
|
|
|
83 |
| Ethyl hexanoate |
Chr XIV 634-687 |
|
|
4.52 |
0.034 |
50.1 |
28 |
| Ethyl octanoate |
|
|
|
|
|
|
- |
| Ethyl decanoate |
|
|
|
|
|
|
71 |
| Ethyl myristate |
|
|
|
|
|
|
70 |
| 2-phenylethyl acetate |
|
|
|
|
|
|
80 |
| 2 phenyl ethanol |
Chr VIII 422-469 |
3.23 |
0.04 |
|
|
39.1 |
99 |
| Hexanoic acid |
|
|
|
|
|
|
- |
| Octanoic acid |
|
|
|
|
|
|
90 |
| Decanoic acid |
|
|
|
|
|
|
99 |
| Myristic acid |
|
|
|
|
|
|
97 |
| Ethyl 9-decenoate |
|
|
|
|
|
|
99 |
| Nerolidol |
Chr XII 675-704 |
8.28 |
<0.004 |
|
|
71.9 |
93 |
| Farnesol |
|
|
|
|
|
|
74 |
| Ethyl 3- |
|
|
|
|
|
|
|
| hydoxydecanoic acid |
|
|
|
|
|
|
- |
| α-terpineol |
|
|
|
|
|
|
22 |
| Linalol |
|
|
|
|
|
|
78 |
| Citronellol |
Chr XIII 290-342 |
3.69 |
0.033 |
|
|
43.3 |
78 |
| Geraniol |
|
|
|
|
|
|
98. |
| Nerol |
|
|
|
|
|
|
- |
| Citronellyl acetate |
|
|
|
|
|
|
79 |
| Geranyl acetate |
|
|
|
|
|
|
87 |
| nerylacetate |
|
|
|
|
|
|
63 |
| Isobutanol |
|
|
|
|
|
|
- |
| Cis-rose oxide |
Chr I 21-55 |
|
|
4.59 |
0.02 |
51.1 |
62 |
| Cis-rose oxide |
Chr VII 47-85 |
|
|
4.27 |
0.04 |
48.6 |
|
| Trans-rose oxide |
|
|
|
|
|
|
90 |
| Cis/trans rose oxide ratio | Chr XIV 537-589 | 3.94 | 0.01 | 45.4 | 99 | ||