Table 2.
Selective antifeedant ratio of total ginsenosides on third instar larvae of P. rapae.
| Concentration of total ginsenosides (%) | 3 h |
6 h |
9 h |
|||
|---|---|---|---|---|---|---|
| Average feeding area (cm2) | Selective antifeeding ratio (%) | Average feeding area (cm2) | Selective antifeeding ratio (%) | Average feeding area (cm2) | Selective antifeeding ratio (%) | |
| 0.5 | 0.83 ± 0.29 | 56.22c | 1.24 ± 0.21 | 45.62c | 1.09 ± 0.27 | 42.67c |
| Control | 2.97 ± 0.50 | – | 3.31 ± 0.16 | – | 2.72 ± 0.35 | – |
| 1.0 | 0.38 ± 0.13 | 80.64b | 0.60 ± 0.11 | 70.19b | 0.73 ± 0.17 | 64.62b |
| Control | 3.53 ± 0.55 | – | 3.41 ± 0.16 | – | 3.40 ± 0.28 | – |
| 2.0 | 0.20 ± 0.02 | 88.90a | 0.36 ± 0.06 | 81.02a | 0.45 ± 0.12 | 76.58a |
| Control | 3.46 ± 0.83 | – | 3.43 ± 0.06 | – | 3.39 ± 0.37 | – |
Data are presented as the means ± SE.