Table 5.
LT50 and LT90 values of essential oils from aerial part of M. suaveolens subsp. timija, T. satureioides and S. officinalis applied against T. castaneum
| Oil concentration (μl cm−2) | LT50 (h) (95 % CL)b | LT90 (95 % CL) | Slope ± SE | Chi square (χ 2) | df |
|---|---|---|---|---|---|
| MSa | |||||
| 0.09 | – | – | – | – | – |
| 0.16 | 44.19 (26.76–63.86) | 98.14 (59.17–114.53) | 2.18 ± 0.10 | 3.64 | 3 |
| 0.24 | 5.08 (2.52–8.74) | 25.50 (13.30–46.91) | 3.70 ± 0.49 | 1.79 | 3 |
| 0.31 | 2.98 (1.82–4.03) | 6.02 (4.36–18.46) | 3.04 ± 1.38 | 0.10 | 3 |
| TS | |||||
| 0.09 | – | – | – | – | – |
| 0.16 | 71.05 (57.00–88.69) | 283 (186.5–329.08) | 2.06 ± 1.03 | 0.73 | 3 |
| 0.24 | 45.92 (27.47–80.27) | 157 (98.13–190,68) | 2.59 ± 0.92 | 1.26 | 3 |
| 0.31 | 30.50 (18.65–55.17) | 79.38 (57.12–101.11) | 2.97 ± 1.03 | 0.74 | 3 |
| SO | |||||
| 0.39 | – | – | – | – | – |
| 0.78 | 56.32 (48.15–84.15) | 106.01 (91.19–146.94) | 2.76 ± 0.43 | 0.68 | 3 |
| 1.17 | 10.07 (7.31–20.77) | 34.45 (20.25–41.31) | 2.64 ± 0.36 | 0.79 | 3 |
| 1.57 | 8.43 (6.72–14.85) | 14.71 (10.30–32.83) | 2.92 ± 0.80 | 3.44 | 3 |
LT lethal time
aDetails concerning the codes of the species are given in Table 1
bConfidence interval