Acaricidal activity of ethanolic extract from aerial parts of Tagetes patula L. (Asteraceae) against larvae and engorged adult females of Rhipicephalus sanguineus (Latreille, 1806)

Table 2 Index of egg laying and percentage of egg laying inhibition in females of Rhipicephalus sanguineus

Samples	Weight of the Ticks (g)	Weight of the Eggs (g)	IE¹	Egg Laying Inhibition (%)
AP_EtOH70%	0.1947^a	0.1133^a	0.5815^a	7.0794^b
(12.5 mg/mL)	(± 0.010)	(± 0.010)	(± 0.024)	(± 3.414)
AP_EtOH70%	0.1841^a	0.1032^a	0.5625^a	11.4363^b
(25.0 mg/mL)	(± 0.028)	(± 0.011)	(± 0.025)	(± 1.114)
AP_EtOH70%	0.1858^a	0.0932^a	0.5024^a	21,5088^c
(50.0 mg/mL)	(± 0.020)	(± 0.008)	(± 0.009)	(± 2.151)
AP_EtOH70%	0.1822^a	0.1011^a	0.5577^a	12.0528^b
(100.0 mg/mL)	(± 0.045)	(± 0.020)	(± 0.023)	(± 1.665)
Triton-X-100	0.1768^a	0.1120^a	0.6338^a	0.0^a
(1.25%, v/v)	(± 0.004)	(± 0.004)	(± 0.039)	(± 0.0)

¹ IE: index of egg laying; values with the same superscript letters within a column do not show statistically significant differences by Sheffé, Tukey-Kramer and Neuman-Keuls tests (p < 0.05). The results represent the mean of two assays.

ISSN: 1756-3305