Table 1 Fungicidal activity of compounds 5a–5p against five plant fungi in vitro at 50 μg/mL (inhibition rate/%)
Compd. | R. solani | A. solani | F. oxysporum | F. graminearum | P. oryzae |
|---|---|---|---|---|---|
5a | 66.2 ± 1.5 | 11.7 ± 0.5 | 13.1 ± 0.6 | 7.3 ± 0.9 | 34.5 ± 0.9 |
5b | 91.6 ± 0.8 | 30.3 ± 1.6 | 15.7 ± 1.3 | 15.9 ± 2.6 | 32.8 ± 0.0 |
5c | 100.0 ± 0.0 | 13.0 ± 2.3 | 12.4 ± 0.8 | 6.5 ± 0.2 | 37.0 ± 2.7 |
5d | 93.5 ± 0.6 | 12.4 ± 0.9 | 31.4 ± 2.9 | 12.3 ± 1.3 | 27.0 ± 1.2 |
5e | 93.1 ± 0.9 | 15.1 ± 0.6 | 9.8 ± 0.3 | 10.9 ± 0.6 | 27.0 ± 3.9 |
5f | 37.3 ± 1.2 | 45.5 ± 0.3 | 35.3 ± 3.4 | 13.0 ± 0.9 | 72.3 ± 0.0 |
5 g | 41.2 ± 0.8 | 21.3 ± 1.3 | 16.3 ± 0.9 | 11.6 ± 2.7 | 49.6 ± 2.6 |
5 h | 93.2 ± 0.3 | 15.1 ± 0.5 | 9.8 ± 0.5 | 10.9 ± 3.4 | 27.0 ± 0.9 |
5i | 100.0 ± 0.0 | 28.9 ± 1.8 | 18.3 ± 2.7 | 10.1 ± 0.5 | 45.4 ± 1.2 |
5j | 45.1 ± 1.0 | 17.2 ± 2.5 | 13.1 ± 0.5 | 11.6 ± 1.9 | 39.6 ± 1.5 |
5k | 33.9 ± 0.9 | 18.6 ± 0.3 | 11.1 ± 0.6 | 8.7 ± 3.5 | 39.6 ± 3.7 |
5l | 42.4 ± 1.2 | 19.3 ± 0.9 | 13.7 ± 1.1 | 13.0 ± 4.4 | 45.4 ± 0.9 |
5m | 100.0 ± 0.0 | 24.1 ± 1.5 | 15.7 ± 1.6 | 10.9 ± 0.8 | 39.6 ± 0.2 |
5n | 98.3 ± 0.2 | 26.2 ± 0.9 | 13.7 ± 1.5 | 8.7 ± 4.6 | 41.2 ± 0.9 |
5o | 93.0 ± 0.2 | 15.1 ± 0.5 | 9.8 ± 2.9 | 10.9 ± 3.3 | 27.0 ± 0.8 |
5p | 44.5 ± 1.2 | 18.6 ± 0.9 | 13.7 ± 0.9 | 0 ± 0.0 | 34.5 ± 4.9 |
PCA | 86.2 ± 0.9 | 85.2 ± 1.2 | 83.5 ± 1.9 | 86.1 ± 1.9 | 92.0 ± 2.7 |