Table 7 Knock down times (KDT), mortality and susceptibility of essential oils on sensitive Anopheles gambiae “Kisumu”
Doses | 0.25% | 0.50% | 1% | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Essential oils and controls | KDT50a(min) | KDT95a(min) | Mortality (%) | Susceptibilityb | KDT50a(min) | KDT95a(min) | Mortality (%) | Susceptibilityb | KDT50a(min) | KDT95a(min) | Mortality (%) | Susceptibilityb |
Cymbopogon citratus | 62.0 | 119.8 | 55.6 | R | 2.1 | 13.9 | 100 | S | 1.2 | 6.6 | 100 | S |
Cymbopogon giganteus | - | - | 10.7 | R | 204.4 | 366.5 | 10.0 | R | 33.5 | 100.2 | 29.6 | R |
Cymbopogon schoenanthus | - | - | 0.0 | R | 263.5 | 440.7 | 6.4 | R | 49.0 | 117.8 | 6.7 | R |
Eucalyptus citriodora | - | - | 4.3 | R | 125.2 | 207.3 | 10.4 | R | 32.2 | 61.7 | 75.5 | R |
Eucalyptus tereticornis | 12.4 | 49.8 | 72.5 | R | 5.4 | 18.2 | 86.7 | R | 2.5 | 16.1 | 98 | S |
Cochlospermum tinctorium | 44.3 | 115.6 | 23.3 | R | 10.6 | 19.4 | 44.0 | R | 8.1 | 16.7 | 72.7 | R |
Cochlospermum planchonii | 34.5 | 74.1 | 13.0 | R | 25.1 | 52.8 | 23.6 | R | 20.9 | 39.9 | 24.5 | R |
Securidaca longepedunculata | - | - | 5.9 | R | 314.1 | 539.5 | 5.6 | R | 76.2 | 91.3 | 8.6 | R |
Chenopodium ambrosioides | 736.3 | 1290.0 | 9.8 | R | 127.8 | 201.3 | 18.8 | R | 110.9 | 178.9 | 41.9 | R |
Permethrin 0.75% | 11.3 | 21.6 | 100 | S | 11.3 | 21.6 | 100 | S | 11.3 | 21.6 | 100 | S |
Negative control | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - |
Doses | 2% | 4% | 8% | |||||||||
Essential oils and controls | KDT 50 a (min) | KDT 95 a (min) | Mortality (%) | Susceptibility b | KDT 50 a (min) | KDT 95 a (min) | Mortality (%) | Susceptibility b | KDT 50 a (min) | KDT 95 a (min) | Mortality (%) | Susceptibility b |
Cymbopogon citratus | - | 3.8 | 100 | S | - | 3.8 | 100 | S | - | - | - | - |
Cymbopogon giganteus | 6.2 | 9.5 | 62.7 | R | 2.6 | 3.8 | 100 | S | - | - | - | - |
Cymbopogon schoenanthus | 6.9 | 14.5 | 83.0 | R | 2.6 | 3.8 | 100 | S | - | - | - | - |
Eucalyptus citriodora | 4.5 | 9.0 | 100 | S | 2.6 | 3.8 | 100 | S | - | - | - | - |
Eucalyptus tereticornis | - | 3.8 | 100 | S | - | 3.3 | 100 | S | - | - | - | - |
Cochlospermum tinctorium | 6.9 | 12.3 | 78.1 | R | 5.2 | 9.1 | 79.2 | R | - | - | - | - |
Cochlospermum planchonii | 16.3 | 31.3 | 58.5 | R | 12.1 | 21.1 | 98.3 | S | 11.3 | 20.6 | 100 | S |
Securidaca longepedunculata | 10.9 | 81.0 | 29.6 | R | 2.6 | 3.8 | 98.2 | S | 2.6 | 3.8 | 100 | S |
Chenopodium ambrosioides | 12.8 | 25.2 | 100 | S | 2.6 | 3.8 | 100 | S | - | - | - | - |
Permethrin 0.75% | 11.3 | 21.6 | 100 | S | 11.3 | 21.6 | 100 | S | 11.3 | 21.6 | 100 | S |
Negative control | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - |