Table 7.
Reduction of the aggressiveness of F. graminearum and F. culmorum isolates at different dilutions across experiments and genotypes, measured by DON contamination mg/kg in 2013–2014. (A) Isolates, DON mg/kg. (B) Correlations between responses of isolates to dilution rates.
| (A) Isolates, DON mg/kg | |||||
| Dilution Grade | Fc 12375 | Fc 52.10 | Fg 19.42 | Fg 15.38 | Mean |
| Normal | 25.29c | 14.19c | 6.38b | 4.36a | 12.56b |
| 1:1 | 22.68b | 14.72c | 5.71b | 4.22a | 11.83b |
| 1:2 | 25.81c | 10.28b | 3.72a | 3.03a | 10.71b |
| 1:4 | 25.60c | 11.72b | 2.35a | 3.75a | 10.86b |
| 1:8 | 18.59a | 8.81a | 1.63a | 2.31a | 7.84a |
| 1:16 | 16.40a | 6.71a | 2.20a | 2.47a | 6.94a |
| Mean | 22.40 | 11.07 | 3.67 | 3.36 | 10.12 |
| LSD 5% Isolate | 0.85 | ||||
| LDS 5% dilution | 0.99 | ||||
| LSD 5% between any data in isolate columns 2.62, a–c differing significance between data. | |||||
| (B) Correlations between responses of isolates to dilution rates | |||||
| Isolates | Fc 12375 | Fc 52.10 | Fg 19.42 | ||
| Fc 52.10 | 0.7085 | ||||
| Fg 19.42 | 0.5264 | 0.8478 * | |||
| Fg 15.38 | 0.7108 | 0.9507 ** | 0.8448 * | ||
** p = 0.02, * p = 0.05.