Table 3.
Pearson pairwise correlations among the isolation frequency of Fusarium pseudograminearum, F. pseudograminearum biomass, and toxin contents (DON, D3G, ZEN, 3ADON, and 15ADON) in four internodes, peduncles, and head tissues of plants with different severity classes of Fusarium crown rot in the field in 2019 and 2020.
| Isolation frequencyy | Fpg biomass | DON | D3G | ZEN | 3ADON | |
|---|---|---|---|---|---|---|
| 2019 | ||||||
| Fpg biomass | 0.78*** | – | – | – | – | – |
| DONx | 0.81*** | 0.63*** | – | – | – | – |
| D3G | 0.73*** | 0.56** | 0.72*** | – | – | – |
| ZEN | 0.25 | 0.21 | 0.44* | 0.19 | – | – |
| 3ADON | 0.78*** | 0.60*** | 0.98*** | 0.69*** | 0.49** | – |
| 15ADON | 0.78*** | 0.60*** | 0.98*** | 0.69*** | 0.47* | 0.99*** |
| 2020 | ||||||
| Fpg biomass | 0.79*** | – | – | – | – | |
| DON | 0.88*** | 0.76*** | – | – | – | – |
| D3G | 0.76*** | 0.73*** | 0.63*** | – | – | – |
| ZEN | 0.41* | 0.59*** | 0.66*** | 0.11 | – | – |
| 3ADON | 0.83*** | 0.74*** | 0.97*** | 0.59*** | 0.68*** | – |
yAsterisks indicate correlation coefficient significant at P = 0.05 (*), P = 0.01 (**), and P = 0.001 (***).
xDON, deoxynivalenol, its derivatives (D3G, DON-3-glucoside; 3ADON, 3-acetyldeoxynivalenol; 15ADON, 15-acetyldeoxynivalenol; and NIV, nivalenol); and ZEN, zearalenone.