Table 2.
Plant disease control efficacy of the SFC100166 culture filtrate and its organic solvent extracts.
| Treatment | Conc. (µg/mL) |
Disease Control Value (%) a | |||||
|---|---|---|---|---|---|---|---|
| RCB b | TGM | TLB | WLR | BPM | PAN | ||
| Culture filtrate | 1-fold dilution | 85 ± 2 | 94 ± 6 | 90 ± 2 | 27 ± 3 | 25 ± 2 | 15 ± 3 |
| EtOAc extract | 1000 | 88 ± 5 | 95 ± 2 | 100 | 60 ± 4 | 0 | 60 ± 2 |
| BuOH extract | 1000 | 25 ± 1 | 80 ± 1 | 100 | 33 ± 1 | 0 | 35 ± 5 |
| Water extract | 1000 | 25 ± 1 | 0 | 42 ± 2 | 0 | 0 | 0 |
| Blasticidin-S | 1 | 90 ± 2 | – c | – | – | – | – |
| 50 | 100 | – | – | – | – | – | |
| Fludioxonil | 5 | – | 88 ± 5 | – | – | – | – |
| 50 | – | 100 | – | – | – | – | |
| Dimethomorph | 2 | – | – | 85 ± 2 | – | – | – |
| 10 | – | – | 100 | – | – | – | |
| Flusilazole | 2 | – | – | – | 43 ± 9 | – | – |
| 10 | – | – | – | 88 ± 2 | – | – | |
| Benomyl | 1 | – | – | – | – | 87 ± 5 | – |
| 100 | – | – | – | – | 100 | – | |
| Dithianon | 10 | – | – | – | – | – | 40 ± 1 |
| 50 | – | – | – | – | – | 88 ± 4 | |
a Disease control values (%) represent the mean ± standard deviation of two runs with three replicates. b RCB, rice blast; TGM, tomato gray mold; TLB, tomato late blight; WLR, wheat leaf rust; BPM, barley powdery mildew; PAN, pepper anthracnose. c –, not tested.