Table 4 Densities of Ralstonia solanacearum in soil and in plant tissues of congenial plant species prior starting the crop succession program
Area |  | Log (CFU + 1)/g (mean ± SE) |  |
|---|---|---|---|
Wardan (sandy soil) | Soil | 0.82 ± 0.41 |  |
Congenial plant species | Â | Â | |
Chenopodia palvilora (1 plant) | 0.00 | Â | |
Cynodum dactylum (1 plant) | 1.61 | Â | |
Malva spp. (1 plant) | 2.00 | Â | |
Ganoub El-Tahrir (sandy soil) | Soil | 3.79 ± 0.18 |  |
Congenial plant species | Â | Â | |
Arachis hypogaea (6 plants) | 3.26 ± 0.51 |  | |
Lolium perenne (7 plants) | 3.91 ± 0.48 |  | |
Solanum nigrum (1 plant) | 3.34 | Â | |
Solanum tuberosum (3 left over potatoes) | 4.19 ± 0.37 |  | |
Talia (clay soil) | Soil | 3.13 ± 0.51 |  |
Congenial plant species | Â | Â | |
| Â | Amaranthus sylvestris (1 plant) | 0.00 | Â |
| Â | Chenopodium spp. (1 plant) | 0.00 | Â |
| Â | Cichorium palmilum (1 plant) | 2.00 | Â |
| Â | Corchorus olitorius (1 plant) | 1.61 | Â |
|  | Cyperus difformis L. (3 plants) | 0.77 ± 0.77 |  |
|  | Dinebra retroflexa (3 plants) | 2.3 ± 0.3 |  |
| Â | Portulaca oleracae (1 plant) | 3.00 | Â |
|  | Solanum tuberosum (10 left over potatoes) | 2.24 ± 0.52 |  |
| Â | Stellaria media (1 plant) | 0.00 | Â |
Sids (clay soil) | Soil | 2.74 ± 0.21 |  |
Congenial plant species | Â | Â | |
|  | Portulaca oleracae (8 plant) | 0.00 ± 0.00 |  |
|  | Zea mays (3 plants) | 0.00 ± 0.00 |  |