Table 2 Mean larval mortality evoked by the A. conyzoides extract at different concentrations against 3rd instar larvae of An. gambiae s.s and An. arabiensis
Time | % mean mortality ± S.Da | Lethal concentration (ppm) | |||||
|---|---|---|---|---|---|---|---|
500 ppm | 250 ppm | 100 ppm | 50 ppm | Control | LC50 | 95% CI | |
An. gambiae s.s larvae | |||||||
24 h | 84 ± 11.94 | 64 ± 17.82 | 35 ± 8.37 | 0 ± 0.00 | 0 ± 0.00 | 232.70 | 228.85–239.20 |
48 h | 100 ± 0.00 | 93 ± 8.37 | 65 ± 23.45 | 19 ± 12.94 | 0 ± 0.00 | 84.31 | 81.17–90.88 |
72 h | 100 ± 0.00 | 93 ± 8.37 | 65 ± 23.45 | 19 ± 12.94 | 0 ± 0.00 | 84.31 | 81.17–90.88 |
An. arabiensis larvae | |||||||
24 h | 60 ± 15.41 | 27 ± 10.37 | 20 ± 2.24 | 0 ± 0.00 | 0 ± 0.00 | 406.35 | 403.56–411.25 |
48 h | 88 ± 5.70 | 69 ± 15.97 | 36 ± 6.52 | 24 ± 9.62 | 0 ± 0.00 | 133.46 | 131.51–136.16 |
72 h | 88 ± 5.70 | 93 ± 5.70 | 68 ± 10.37 | 49 ± 10.25 | 0 ± 0.00 | 133.46 | 131.51–136.16 |