|  | Positively selected | Non-positively selected | Fisher’s exact test |
---|---|---|---|---|
X. citri | Â | Â | Â | Â |
 | With recombination | 73 | 210 | P  < 0.0001 |
 | Without recombination | 55 | 2513 |  |
X. campestris | Â | Â | Â | Â |
 | With recombination | 26 | 257 | P  < 0.0001 |
 | Without recombination | 28 | 2540 |  |
Total | Â | Â | Â | Â |
 | With recombination | 98 | 185 | P  < 0.0001 |
 | Without recombination | 81 | 2487 |  |