Insecticidal Activity of Some Traditionally Used Ethiopian Medicinal Plants against Sheep Ked Melophagus ovinus

Table 3

Percent corrected mortality of M. ovinus sheep keds exposed to different concentrations of S. guineense,  N. tabacum, and V. auriculifera aqueous extracts.

Dose (mg/mL)	Corrected mortality rate (%)
	S. guineense		N. tabacum		V. auriculifera
	3 h PI	24 h PI	3 h PI	24 h PI	3 h PI	24 h PI
6.24	0.0±0.0^e	0.0±0.0^d	0.0±0.0^c	0.0±0.0^e	0.0±0.0^c	0.0±0.0^e
12.5	3.3±0.6^de	6.7±0.6^d	0.0±0.0^c	6.6±0.6^de	6.7±0.6^bc	6.7±0.6^de
25	13.3±0.6^cd	13.9±0.6^cd	6.6±0.6^c	16.7±0.6^cd	10.0±0.0^bc	13.3±0.6^cde
50	20.0±0.0^c	23.3±0.6^c	10.0±0.0^c	20.0±0.0^c	10.0±0.0^bc	16.7±0.6^cd
100	40.0±0.0^b	43.3±0.6^b	13.3±0.6^c	36.7±0.6^b	16.7±0.6^b	23.3±0.6^c
200	43.5±0.6^b	46.7±0.6^b	20.0±0.0^b	43.3±0.6^b	20.0±0.0^b	43.3±0.6^b
Control^+	73.3±0.6^a	100.0±0.0^a	73.3±0.6^a	100.0±0.0^a	73.3±0.6^a	100.0±0.0^a

+Ivermectin (10 𝜇g/mL); PI: postincubation; values are expressed as mean ± SD. Mean values with different letters in the same column are significantly different (𝑃<0.05).