Table 2. Fumigant toxicity of the major constituents of M. alternifolia essential oil against S. zeamais adults.
Compounds | LC50 a (mg/L air) | 95% FL b (mg/L air) | Slope c ± SE | (χ2)d | |
---|---|---|---|---|---|
Lower | Upper | ||||
terpinen-4-ol | 3.22 | 2.47 | 3.64 | 3.35 ± 0.32 | 3.51 |
γ-terpinene | 32.58 | 34.56 | 37.07 | 3.54 ± 0.27 | 7.15 |
α-terpineol | 4.21 | 5.14 | 7.38 | 3.63 ± 0.31 | 3.37 |
α-terpinene | 46.76 | 41.29 | 45.99 | 2.14 ± 0.67 | 3.74 |
1,8-cineole | 6.91 | 11.47 | 14.30 | 2.16 ± 0.12 | 4.08 |
a 50% of lethal concentration;
b Fiducial limits;
c Slope of the concentration-inhibition regression line ± SE;
d Chi-square value.