Table 2. Frequency (%) of each SDH substitution in the 2012 Didymella tanaceti population by sampling period and field.
| Subunit-substitution | 12–51907 | 12–63242 | 12–70046 | 12–70047 | All Fields | Overall | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Auga | Nova | Aug | Nov | Aug | Nov | Aug | Nov | Aug | Nov | ||
| Wildtype | 5.4 | 3.3 | 16.2b | 0.0 | 11.6 | 0.0 | 1.0 | 0.0 | 7.1 | 1.1 | 3.6 |
| SdhB-H277R | 4.5 | 16.4 | 5.9 | 17.2 | 9.3 | 11.9 | 10.8 | 7.2 | 7.4 | 12.5 | 10.3 |
| SdhB-H277Y | 58.0 | 59.9 | 38.2 | 48.4 | 46.5 | 59.7 | 57.8 | 64.5 | 52.3 | 59.9 | 56.7 |
| SdhB-I279V | 0.0 | 0.7 | 7.4 | 3.1 | 0.0 | 0.0 | 0.0 | 0.0 | 1.5 | 0.7 | 1.0 |
| SdhC-G79P | 0.0 | 0.7 | 4.4 | 0.0 | 0.0 | 1.5 | 0.0 | 0.6 | 0.9 | 0.7 | 0.8 |
| SdhC-H134Q/S135R | 2.7 | 0.7 | 1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.2 | 0.2 | 0.6 |
| SdhC-H134R | 21.4 | 11.8 | 23.5 | 29.7 | 11.6 | 20.9 | 18.6 | 19.3 | 19.7 | 18.5 | 19.0 |
| SdhC-H134Q | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.3 | 0.0 | 0.1 |
| SdhC-S135R | 1.8 | 2.0 | 0.0 | 0.0 | 7.0 | 0.0 | 3.9 | 3.0 | 2.8 | 1.8 | 2.2 |
| SdhC-S73P | 0.9 | 0.0 | 0.0 | 0.0 | 0.0 | 4.5 | 0.0 | 2.4 | 0.3 | 1.6 | 1.0 |
| SdhD-D112E | 5.4 | 4.6 | 2.9 | 1.6 | 14.0 | 1.5 | 5.9 | 1.8 | 6.2 | 2.7 | 4.1 |
| SdhD-H122R | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 1.2 | 0.3 | 0.4 | 0.4 |
| Samplesc | 112 | 152 | 68 | 64 | 43 | 67 | 102 | 166 | 325 | 449 | 774 |
a Sampling period; Aug = August 2012, Nov = November 2012.
b Sampling period pairs in bold indicate significant (P < 0.05) frequency variations between periods based on multinomial logistic regression.
c Total number of individuals observed