Table 3 Acaricidal activities of C. zeylanicum oils cultivated from France and India against Dermatophagoides spp. and Tyrophagus putrescentiae a
Samples | Bioassays | Mite species | LD50 (95% CI) (μg/cm3) | LD90 (95% CI) (μg/cm3) | Slop ± SE | χ2 (df, p) | RTb |
|---|---|---|---|---|---|---|---|
France | Fumigant | D. farinae | 0.92 (0.78-1.06) | 2.09 (1.77-2.26) | 3.76 ± 0.48 | 3.064 (7, 0.879) | 10.92 |
D. pteronyssinus | 0.81 (0.68-0.95) | 1.89 (1.66-2.24) | 3.48 ± 0.45 | 3.884 (7, 0.793) | 10.41 | ||
T. putrescentiae | 1.82 (1.65-2.10) | 3.66 (3.38-3.88) | 4.22 ± 0.53 | 4.594 (6, 0.597) | 6.36 | ||
Contact | D. farinae | 2.07 (1.55-2.54) | 6.19 (4.88-9.03) | 2.82 ± 0.44 | 3.045 (6, 0.803) | 3.75 | |
D. pteronyssinus | 1.94 (1.31-2.46) | 7.17 (5.50-12.76) | 2.26 ± 0.43 | 4.648 (7, 0.703) | 3.37 | ||
T. putrescentiae | 6.20 (5.13-7.15) | 12.89 (10.70-17.85) | 4.03 ± 0.69 | 7.536 (5, 0.184) | 1.63 | ||
India | Fumigant | D. farinae | 0.64 (0.54-0.75) | 1.54 (1.27-2.01) | 3.39 ± 0.37 | 3.876 (9, 0.919) | 14.78 |
D. pteronyssinus | 0.51 (0.42-0.61) | 1.32 (1.07-1.68) | 3.12 ± 0.37 | 3.578 (8, 0.893) | 16.57 | ||
T. putrescentiae | 1.72 (1.45-1.90) | 3.64 (3.43-3.83) | 3.94 ± 0.49 | 4.71 (6, 0.581) | 6.73 | ||
Contact | D. farinae | 1.82 (1.33-2.34) | 8.73 (6.03-12.53) | 1.88 ± 0.30 | 10.689 (7, 0.153) | 4.26 | |
D. pteronyssinus | 1.55 (1.13-1.97) | 6.42 (4.70-10.64) | 2.08 ± 0.31 | 6.536 (7, 0.479) | 4.22 | ||
T. putrescentiae | 3.08 (2.39-3.61) | 6.45 (5.45-8.60) | 3.99 ± 0.72 | 3.848 (5, 0.571) | 3.28 | ||
Benzyl benzoate | Fumigant | D. farinae | 9.46 (8.30-10.72) | 19.97 (16.90-23.20) | 3.95 ± 0.43 | 4.306 (9, 0.890) | 1.00 |
D. pteronyssinus | 8.43 (7.25-9.69) | 19.76 (16.97-22.99) | 3.46 ± 0.39 | 4.681 (9, 0.861) | 1.00 | ||
T. putrescentiae | 11.58 (10.07-13.17) | 25.57 (21.58-28.45) | 3.73 ± 0.42 | 8.706 (9, 0.465) | 1.00 | ||
Contact | D. farinae | 7.76 (6.54-9.09) | 20.06 (17.38-23.52) | 3.11 ± 0.34 | 7.507 (9, 0.584) | 1.00 | |
D. pteronyssinus | 6.54 (5.55-7.63) | 16.12 (13.22-19.20) | 3.28 ± 0.36 | 3.935 (9, 0.916) | 1.00 | ||
T. putrescentiae | 10.09 (8.75-11.50) | 22.18 (19.75-24.01) | 3.75 ± 0.42 | 8.447 (9, 0.490) | 1.00 |