Table 2.
Inhibitory regression curves and predicted IC50 values of chaetoglobosin A against R. solani at different culture times.
| Culture time (h) | Regression curvea | R2 | IC50 (μg/mL) |
|---|---|---|---|
| 12 | Y = 34.975 × log10(X) + 47.876 | 0.9417 | 1.15 |
| 24 | Y = 47.939 × log10(X) + 23.234 | 0.8761 | 3.62 |
| 36 | Y = 43.620 × log10(X) + 33.399 | 0.9656 | 2.40 |
| 48 | Y = 48.260 × log10(X) + 22.725 | 0.9496 | 3.67 |
| 60 | Y = 44.902 × log10(X) + 27.640 | 0.9760 | 3.15 |
| 72 | Y = 48.658 × log10(X) + 21.829 | 0.9863 | 3.79 |
| 84 | Y = 48.026 × log10(X) + 20.852 | 0.9896 | 4.05 |
| 96 | Y = 46.474 × log10(X) + 21.437 | 0.9863 | 4.12 |
| 108 | Y = 43.525 × log10(X) + 23.974 | 0.9906 | 3.96 |
| 120 | Y = 41.306 × log10(X) + 23.462 | 0.9936 | 4.39 |
a
X represents the concentration of chaetoglobosin A, and Y indicates the inhibition ratio against R. solani.