Table 2 Chromosome counts of backcrosses (natural & artificial) between F. japonica japonica and hermaphrodite F. x bohemica 6x
From: The Japanese knotweed invasion viewed as a vast unintentional hybridisation experiment
Site | Open or artificial pollination | 2n | Ploidy |
|---|---|---|---|
Dolgellau (Wales) | Open | c68, 71, 76, 2 × 100, 101, 4 × 105, 107, 2 × 108, 2 × 110 | Aneuploid and decaploid |
Albury Heath (England) | Open | 110 | Decaploid |
Prior’s Mesme (England) | Open | 96 | Aneuploid |
Leicester (England) | Artificial | 110 | Decaploid |
