Table 1.
Larvicidal activity of extracts from C.mucronata and T. villosa
| Plant extracts | Larvicidal activity | ||
|---|---|---|---|
| LC50 μg/ml (95% CI) | |||
| 24 h (Day 1) | 48 h (Day 2) | 72 h (Day 3) | |
| CMAE | ¤ | 26891.0(5252.15-137681.92) | 7999.935 (3440.83 - 18599.8) |
| CMRE | 219.99 (180.91 - 267.51) | 217.12 (205.77 - 229.60) | 207.12 (196.00 -219.01) |
| CMAD | ¤ | ¤ | ¤ |
| CMRD | 126.11 (104.14 - 152.72) | 122.91 (101.33 - 149.09) | 117.09 (95.59 - 143.44) |
| TVFE | 65.75 (51.58 - 77.78) | 54.465 (48.022 - 59.713) | 53.25 (45.67 - 62.09) |
| TVLE | 213.59 (201.05 - 227.59) | 169.75 (155.34 - 185.03) | 161.61 (147.99 - 176.07) |
| TVTE | 126.16 (105.70 - 145.21) | 74.724 (66.798 - 82.347) | 71.171 (63.739 - 78.072) |
| TVRE | 218.47 (198.88 - 238.97) | 107.61 (89.26 - 124.36) | 71.50 (54.11 - 86.15) |
¤ = No mortality at all levels of concentration tested, CI = confidence interval, CMAE = Cissampelos mucronata aerial parts extract (100% ethanol), CMRE = Cissampelos mucronata root extract (100% ethanol), CMAD = Cissampelos mucronata aerial parts extract (dichloromethane), CMRD = Cissampelos mucronata root extract (dichloromethane), TVFE = Tephrosia villosa fruits extract (100% ethanol), TVLE = Tephrosia villosa leaves extract (100% ethanol), TVTE = Tephrosia villosa twigs extract (100% ethanol), TVRE = Tephrosia villosa root extract (100% ethanol).