Table 3 Acaricidal toxicity of hydroxybenzaldehyde analogues, methylbenzaldehyde analogues and synthetic acaricide against T. putrescentiae, using a vapor bioassay (aLD50 is the average of 5 determinations, with 30 adult mites per replication; Exposed for 24 h).
Compounds | LD50 (μg/cm3)a | 95% CI | Slope | χ2 value (df, p) |
|---|---|---|---|---|
Butyl isothiocyanate | 2.62 | 2.02–3.42 | 2.21 ± 0.48 | 1.305 (4, 0.253) |
3-Chloro-2,4-pentanedione | >19.50 | — | — | — |
Diacetone alcohol | >19.50 | — | — | — |
Dodecane | >19.50 | — | — | — |
Hexachloroethane | >19.50 | — | — | — |
Hexadecanoic acid | >19.50 | — | — | — |
3-Methylbenzaldehyde | 1.97 | 1.54–2.38 | 2.79 ± 0.38 | 8.034 (6, 0.236) |
Nonanal | 4.96 | 4.15–6.39 | 2.44 ± 0.41 | 1.764 (4, 0.623) |
Octanal | >19.50 | — | — | — |
3-Octanone | 3.23 | 2.45–3.92 | 2.11 ± 0.36 | 3.348 (3, 0.341) |
Oleamide | >19.50 | — | — | — |
2-Pentylfuran | >19.50 | — | ||
Phenylacetaldehyde | >19.50 | — | — | — |
2-Phenyl-2-imidazoline | >19.50 | — | — | — |
Pentadecane | >19.50 | — | — | — |
Tetradecanoic acid | >19.50 | — | — | — |
1,1,3,5-Tetramethylcyclohexane | >19.50 | — | — | — |
1,2,3-Trimethylbenzene | >19.50 | — | — | — |
1-Tridecanol | >19.50 | — | — | — |
Negative control | >19.50 | — | — | — |
