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Table 5 Lethal concentrations of 70% ethanolic extract of Tagetes patula in larvae of Rhipicephalus sanguineus

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

LC1(Percentile)

LCAP2(mg/mL)

Level of 95% of significance

LC01

0.51

(0.29 – 0.77)

LC10

1.70

(1.57 – 2.24)

LC25

3.42

(3.34 – 4.12)

LC50

7.43

(7.42 – 7.68)

LC90

32.51

(32.45 – 37.39)

LC95

49.40

(49.35 – 55.19)

LC99

108.25

(108.19 – 123.67)

  1. Chi-square (X2) = 4.2096; p < 0.05; p-level = 0.1219; 1 LC: lethal concentration percentile; 2 LCAP: lethal concentration values of 70% ethanolic extract of aerial parts of T. patula calculated from the interpolation of the mortality results, by probit analysis (Finney method).