Table 3.
Fumigant antitermitic activity of oriental sweetgum and valerian essential oils and their components against Japanese termites at 7 days.
| Compounds | Mortality (%, Mean ± S.E., N = 5) | |||||
|---|---|---|---|---|---|---|
| 10 a | 5 | 2.5 | 1.25 | 0.625 | 0.31 | |
| Oriental sweetgum | 100a b | 100a | 100a | 100 | 56 ± 19.4bc | 6 ± 8.9cd |
| Valerian | 100a | 100a | 100a | 100 | 100a | 100a |
| Styrene | 96 ± 8.9a | 94 ± 8.9ab | 4 ± 5.4bc | - | - | - |
| Benzaldehyde | 100a | 100a | 100a | 100 | 34 ± 20.7cd | 6 ± 5.4cd |
| Benzyl alcohol | 100a | 100a | 100a | 100 | 86 ± 19.4ab | 32 ± 8.3b |
| cis-Ocimene | 80 ± 21.1a | 80 ± 21.1b | 14 ± 15.1b | - | - | - |
| Aceptophenone | 100a | 100a | 100a | 100 | 100a | 16 ± 11.4bcd |
| 1-Phenyl-1-ethanol | 100a | 100a | 100a | 100 | 98 ± 4.4a | 24 ± 16.7bc |
| Hydrocinnamyl alcohol | 100a | 100a | 100a | 100 | 24 ± 18.1cd | - |
| tans-Cinnamyl aldehyde | 100a | 100a | 100a | 100 | 100a | 100a |
| trans-Cinnamyl alcohol | 100a | 100a | 100a | 100 | 46 ± 5.4c | 14 ± 5.4bcd |
| cis-Asarone | 100a | 100a | 100a | 100 | 100a | 100a |
| trans-Asarone | 4 ± 8.9b | - c | - | - | - | - |
| Con | 0b | 0c | 0c | 0 | 0d | 0d |
| F13, 56 = 142.77 p < 0.0001 | F12, 52 = 94.17 p < 0.0001 | F12, 52 = 426.97 p < 0.0001 | - | F10, 44 = 47.86 p < 0.0001 | F9, 40 =145.91 p < 0.0001 | |
a mg/L air. b Means within a column followed by the same letters are not significantly different (Scheffé’s test). c Not tested.