Table 2.
Distribution of segregating sites at nuclear loci in pairwise comparisons of taxa: P. nigra, P. × jrtyschensis and P. laurifolia
| Gene | P. nigra vs. P. × jrtyschensis | P. × jrtyschensis vs P. laurifolia | P. nigra vs. P. laurifolia | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sn | Sj | Ss | Sf | Sl | Sj | Ss | Sf | Sn | Sl | Ss | Sf | |
| Dehy | 11 | 14 | 10 | 0 | 3 | 14 | 3 | 0 | 11 | 3 | 1 | 0 |
| Phyto A | 2 | 3 | 2 | 0 | 0 | 3 | 0 | 0 | 2 | 0 | 0 | 0 |
| Phyto B | 3 | 4 | 2 | 0 | 1 | 4 | 1 | 0 | 3 | 1 | 0 | 0 |
| PAL | 20 | 27 | 20 | 0 | 16 | 27 | 16 | 0 | 20 | 16 | 16 | 2 |
| AREB1 | 35 | 39 | 33 | 0 | 34 | 39 | 33 | 0 | 35 | 34 | 31 | 0 |
| ERD7 | 6 | 8 | 6 | 0 | 5 | 8 | 5 | 0 | 6 | 5 | 4 | 0 |
| EIN3 | 30 | 32 | 30 | 0 | 28 | 32 | 28 | 0 | 30 | 28 | 26 | 0 |
| LTCOR11 | 5 | 7 | 5 | 0 | 2 | 7 | 2 | 0 | 5 | 2 | 1 | 0 |
Sn, Sj and Sl are the number of polymorphic sites unique to P. nigra, P. × jrtyschensis and P. laurifolia, respectively, in each comparison; Ss is the number of sites with shared alleles between the two taxa; and Sf is the number of sites with fixed alleles in either taxa