Table 3.
Effects of sublethal concentration of farnesyl acetate on the developmental period of P. xylostella. df, degrees of freedom.
| Developmental Time (Mean ± SE) (Days) | df | t | p | ||
|---|---|---|---|---|---|
| Control | Treatment | ||||
| Second instar larvae | 1.6 ± 0.08 | 2.6 ± 0.09 | 58 | −8.06 | <0.0001 |
| Third instar larvae | 1.6 ± 0.09 | 2.4 ± 0.09 | 58 | −6.22 | <0.0001 |
| Fourth instar larvae | 3.2 ± 0.07 | 4.85 ± 0.14 | 58 | −10.65 | <0.0001 |
| All larvae | 8.4 ± 0.17 | 11.85 ± 0.21 | 58 | −12.00 | <0.0001 |
| Pupa | 5.17 ± 0.17 | 6.17 ± 0.18 | 58 | −4.43 | <0.0001 |
| Adult | 21.4 ± 0.55 | 20.8 ± 0.45 | 58 | 3.55 | 0.001 |