Table 2.
Antifeedant activity of PDS.
| Concentration (mg/ml) | 24h |
48h |
72h |
|||
|---|---|---|---|---|---|---|
| Eating area(mm2) | Anti-feeding rate(%) | Eating area(mm2) | Anti-feeding rate(%) | Eating area(mm2) | Anti-feeding rate(%) | |
| 2.5 | 361.60±15.01 | 29.53d | 510.00±33.78 | 44.35d | 399.80±15.91 | 33.98d |
| 5 | 345.24±20.07 | 32.76d | 475.33±33.97 | 47.97d | 391.84±25.47 | 35.46d |
| 10 | 314.67±28.36 | 38.82c | 425.25±24.85 | 53.57c | 343.63±4.73 | 43.35c |
| 25 | 272.15±19.63 | 46.83b | 318.67±26.12 | 65.32b | 312.67±19.50 | 48.43b |
| 50 | 223.27±9.85 | 56.47a | 234.52±22.07 | 74.38a | 275.33±26.02 | 51.93a |
| CK | 513.67±16.92 | – | 916.33±58.59 | – | 602.67±15.28 | – |
Note: The data with different capital letters in same column show extremely significant difference (p≤0.01); the data with different little letters in same column show significant difference (p≤0.05).