Table 3. LD based on r2, averaged for map distance classes and germplasm groups based on population structure analysis in the STRUCTURE.
Genomic región (cM) | N* | All accessions (r2) | Meditteranean accessions (r2) | Non-Mediterranean accessions (r2) |
---|---|---|---|---|
0–10 | 20 | 0.034 | 0.061 | 0.058 |
10–20 | 24 | 0.079 | 0.087 | 0.079 |
20–30 | 21 | 0.036 | 0.045 | 0.039 |
>30 | 23 | 0.028 | 0.027 | 0.032 |
Intra-chromosomal | 88 | 0.040 | 0.091 | 0.073 |
Inter-chromosomal | 692 | 0.036 | 0.082 | 0.062 |
* Number of marker pairs included in each class. The analysis of linkage disequilibrium (LD) revealed a high level of LD up to 20 cM, with LD decaying after 20 cM.