Table 5. Probit analysis of mortality for S. oryzae adults exposed to individual essential oils, phytocompounds and binary mixtures of essential oils for 72 h exposure.
| Essential oils* | LC50 (μl/L) |
95% Confidence Limit (LL–UL) |
LC90 (μl/L) |
95% Confidence Limit (LL–UL) |
Slope ± SE | X2 (df) |
|---|---|---|---|---|---|---|
| Oils—Without-food | ||||||
| Cn | 3356.2 | 878.6–554252.0 | 2950159.6 | 64497.8–1.391E13 | 0.44 ± 0.07 | 66.43 (18) |
| Ce | 504.0 | 353.0–930.2 | 4169.2 | 183480.0–20693.4 | 1.39 ± 0.09 | 101.87 (18) |
| Ln | 63.0 | 34.8–96.4 | 598.6 | 318.6–2219.8 | 1.31 ± 0.07 | 255.48 (18) |
| Oe | 26.8 | 8.8–46.6 | 655.4 | 322.8–3163.6 | 0.92 ± 0.06 | 153.64 (18) |
| Pt | 47.8 | 32.0–66.4 | 124.4 | 87.2–219.6 | 3.08 ± 0.11 | 398.59 (18) |
| Oils—With-food | ||||||
| Cn | 3066.2 | 843.2–469073.8 | 609992.8 | 24003.4–3.670E11 | 0.56 ± 0.07 | 96.87 (18) |
| Ce | 3707.4 | 856.8–7012794.0 | 895645.8 | 23497.0–3.527E14 | 0.54 ± 0.07 | 112.17 (18) |
| Ln | 233.4 | 145.0–511.8 | 92794.8 | 12083.8–14224132.8 | 0.49 ± 0.06 | 50.52 (18) |
| Oe | 534.6 | 330.8–1249.8 | 38814.8 | 8851.2–750989.2 | 0.69 ± 0.07 | 53.31 (18) |
| Pt | 45.2 | 28.0–63.4 | 1372.8 | 732.0–3993.4 | 0.86 ± 0.06 | 62.95 (18) |
| Phytocompounds—Without-food | ||||||
| El | 54.2 | 39.2–71.2 | 143.0 | 106.0–222.6 | 3.04 ± 0.11 | 285.82 (18) |
| Nm | 327.8 | 187.2–1084.8 | 12522.4 | 2541.0–1437557.0 | 0.81 ± 0.07 | 162.52 (18) |
| Me | 40.6 | 28.4–54.0 | 154.6 | 112.2–246.4 | 2.21 ± 0.09 | 203.38 (18) |
| Ma | 52.8 | 27.0–81.6 | 928.2 | 451.0–4238.2 | 1.03 ± 0.06 | 167.26 (18) |
| Pe | 75.6 | 59.5–93.1 | 449.9 | 333.2–681.6 | 1.66 ± 0.07 | 87.82 (18) |
| Phytocompounds—With-food | ||||||
| El | 101.0 | 68.4–139.6 | 283.0 | 195.8–556.8 | 2.87 ± 0.11 | 460.47 (18) |
| Nm | - | - | - | - | - | - |
| Me | 65.8 | 45.6–89.4 | 207.2 | 145.6–362.4 | 2.57 ± 0.09 | 336.27 (18) |
| Ma | 472.8 | 292.4–1167.2 | 13782.8 | 3692.8–252515.0 | 0.88 ± 0.07 | 96.19 (18) |
| Pe | 66.2 | 49.5–84.3 | 370.4 | 268.7–586.1 | 1.71 ± 0.07 | 121.17 (18) |
| Oil Mixtures—Without-food | ||||||
| Oe+Ln | 406.8 | 297.4–648.2 | 5211.0 | 2385.0–19707.4 | 1.16 ± 0.08 | 69.04 (18) |
| Pt+Oe | 270.6 | 199.8–412.6 | 3533.8 | 1647.8–13543.0 | 1.15 ± 0.07 | 90.24 (18) |
| Pt+Ln | 85.6 | 61.8–114.2 | 427.8 | 286.2–819.0 | 1.84 ± 0.07 | 204.59 (18) |
| Oil Mixtures—With-food | ||||||
| Oe+Ln | 463.6 | 315.8–857.4 | 10448.2 | 3760.4–67018.4 | 0.95 ± 0.07 | 66.23 (18) |
| Pt+Oe | 173.4 | 133.8–234.4 | 6396.2 | 2867.4–23189.2 | 0.82 ± 0.06 | 40.72 (18) |
| Pt+Ln | 24.6 | 8.0–43.2 | 1425.4 | 604.8–9509.8 | 0.73 ± 0.06 | 93.03 (18) |
*Cn—Cinnamon; Ce—Clove; Oe—Orange oil; Ln—Lemon oil; Pt—Peppermint oil; El—Eucalyptol; Nm—Neoisocarvomenthol; Me—Menthone; Ma—Menthyl acetate; Pe—Phosphine