Table 4. Protective and therapeutic effects of OVEO, carvacrol and thymol against tomato gray mold cuased by B. cinerea.
| Reagents | Concentration (μg/mL) | Protective effects | Therapeutic effects | |||
|---|---|---|---|---|---|---|
| Patch diameter (cm) | Relative efficacy (%) | Patch diameter (cm) | Relative efficacy (%) | |||
| OVEO | 500 | 2.01 ± 0.20 b | 18.88 d | 2.49 ± 0.22 b | 9.41 c | |
| 1,000 | 1.52 ± 0.23 cd | 38.50 b | 2.21 ± 0.24 cd | 19.70 ab | ||
| Carvacrol | 500 | 1.50 ± 0.23 cd | 39.40 b | 2.39 ± 0.28 bc | 13.32 bc | |
| 1,000 | 0.54 ± 0.21 e | 77.98 a | 1.98 ± 0.44 d | 28.04 a | ||
| Thymol | 500 | 1.75 ± 0.23 c | 29.29 c | 2.47 ± 0.28 bc | 10.36 bc | |
| 1,000 | 1.34 ± 0.27 d | 45.92 b | 2.02 ± 0.19 d | 26.50 a | ||
| Pyrimethanil | 400 | 1.41 ± 0.38 d | 43.15 b | 2.02 ± 0.26 d | 26.56 a | |
| Control | 0 | 2.47 ± 0.22 a | 0.00 e | 2.75 ± 0.21 a | 0.00 e | |
Note:
Values are expressed as the means ± SE of nine replicates. Different letters in each column indicate statistically significant differences (P < 0.05).