Table 1. In vitro fungicidal activity against five fungus species at 50 µg/mL.
| Compd. | Inhibitory rate (%) | ||||
| C. orbiculare | F. oxysporum | S. fuliginea | R. solanii | P. capsici | |
| 2a | 97.3±2.0 | 73.0±2.2 | 73.1±2.1 | 86.5±2.3 | 56.2±2.2 |
| 2b | 95.4±1.3 | 95.5±2.3 | 77.7±2.3 | 79.2±1.7 | 61.7±1.8 |
| 4a | 11.3±1.0 | 12.2±1.1 | 28.1±2.0 | 27.9±1.6 | 13.2±1.1 |
| 4b | 28.6±1.2 | 28.0±1.5 | 10.3±1.5 | 28.9±2.0 | 28.4±1.3 |
| 4c | 12.9±1.2 | 9.3±0.4 | 6.5±0.6 | 18.1±2.0 | 12.9±1.7 |
| 4d | 8.1±0.4 | 11.6±1.0 | 11.5±2.1 | 23.0±2.0 | 2.0±0.4 |
| 5a | 15.2±0.9 | 7.4±0.2 | 10.4±1.7 | 26.1±1.0 | 21.6±1.0 |
| 5b | 19.7±1.1 | 9.4±0.7 | 25.9±2.6 | 12.9±1.1 | 26.7±1.6 |
| 5c | 2.2±0.3 | 3.2±0.1 | 1.3±0.8 | 16.3±2.4 | 23.8±1.2 |
| 5d | 17.6±1.3 | 13.3±1.2 | 15.2±1.4 | 19.5±1.3 | 28.4±2.3 |
| 7a | 24.4±1.2 | 35.3±1.7 | 28.5±2.0 | 15.4±1.0 | 21.4±1.3 |
| 7b | 15.7±1.8 | 24.7±1.4 | 37.5±2.3 | 47.6±1.5 | 31.6±1.8 |
| 7c | 25.5±1.7 | 33.3±1.6 | 17.5±1.1 | 39.4±2.0 | 38.6±1.2 |
| 7d | 13.3±1.9 | 25.3±1.3 | 36.5±1.6 | 38.4±1.3 | 29.0±1.4 |
| 7e | 25.5±1.0 | 21.5±1.1 | 19.6±1.7 | 19.8±1.0 | 41.5±1.5 |
| 7f | 6.0±1.0 | 12.6±1.1 | 27.6±1.6 | 37.6±2.5 | 24.5±1.2 |
| 7g | 11.3±0.6 | 8.2±0.8 | 12.4±1.6 | 21.5±1.5 | 15.7±1.1 |
| DMSO | 1.0±0.3 | 1.9±0.7 | 1.0±0.1 | 1.4±0.5 | 1.0±0.2 |
| Fungicidesa | 91.0±1.3 a | 98.2±1.2 b | 97.5±2.1 c | 91.0±2.1 d | 91.2±2.5 e |
a
Control fungicides: a, thiophanate-methyl; b, benomyl; c, chlorothalonil; d, validamycin; e, dimethomorph.