Table 3 Acaricidal activities of the major constituents of L. cubeba oil against H. longicornis unfed nymphs and adults
Samples | Developmental stage | LC50 (mg/mL) (95% CL)a | LC90 (mg/mL) (95% CL)a | Slope ± SE | χ2 value (df, p) |
|---|---|---|---|---|---|
3,7-Dimethyl-2,6-octadienal | Nymphs | 32.58 (27.75–37.84) | 67.19 (55.41–88.11) | 4.08 ± 0.56 | 6.162 (6, 0.405) |
Adults | 41.06 (35.79–46.10) | 71.27 (61.39–91.18) | 5.35 ± 0.85 | 3.392 (6, 0.758) | |
Eucalyptol | Nymphs | > 80 | – | – | – |
Adults | > 80 | – | – | – | |
(+)-Limonene | Nymphs | > 80 | – | – | – |
Adults | > 80 | – | – | – | |
α-Pinene | Nymphs | > 80 | – | – | – |
Adults | > 80 | – | – | – | |
β-Pinene | Nymphs | > 80 | – | – | – |
Adults | > 80 | – | – | – | |
Negative control | Nymphs | –b | – | – | – |
Adults | – | – | – | – |