Table 2.
Number of plasmodia (per 200 μm length of root section) in the root hairs and cortical cells of broccoli following treatment with a seaweed extract (SE) and inoculation with Plasmodiophora brassicae
| Treatment | Plasmodia in the root hair | Plasmodia in cortical cells | |
|---|---|---|---|
| 14 d.a.i. | 28 d.a.i. | 45 d.a.i. | |
| Inoculated | |||
| SE (1:25) | 2.1 | 1.3 | 16.4 |
| SE (1:200) | 2.1 | 1.2 | 8.1 |
| Control (water) | 3.0 | 2.7 | 51.7 |
| Non-inoculated | |||
| SE (1:25) | 0.0 | 0.0 | 0.0 |
| Control (water) | 0.0 | 0.0 | 0.0 |
| LSD (p = 0.05) | 1.7 | 0.6 | 8.9 |
LSD least significant difference where p = 0.05, d.a.i. days after inoculation