Table 2. Mortality rates of tick larvae within 24 h in the larvae immersion test for the essential oils.
Essential oil | Mortality (%) | |||
---|---|---|---|---|
16% | 8% | 4% | 2% | |
Zanthoxylum limonella | 100 ± 0a | 100 ± 0a | 99.65 ± 0.13a | 99.50 ± 0.53a |
Citronella | 100 ± 0a | 100 ± 0a | 99.56 ± 0.04a | 99.58 ± 0.41a |
Clove | 99.73 ± 0.32a | 99.84 ± 0.14a | 99.53 ± 0.28a | 98.99 ± 0.34a |
Peppermint | 100 ± 0a | 100 ± 0a | 100 ± 0a | 100 ± 0a |
Ginger | 100 ± 0a | 100 ± 0a | 99.76 ± 0.25a | 99.86 ± 0.24a |
Control | 10.71 ± 0.25b | 10.23 ± 0.78b | 8.29 ± 0.73b | 11.20 ± 1.84b |
a,bThese letters within columns indicate statistical differences (p < 0.05) in the mortality rates for the essential oils.