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Table 4 Larvicidal activity of lethal concentrations of the essential oil of ripe fruits and seeds of Schinus terebinthifolia Raddi to larvae of Stegomyia aegypti (Linnaeus, 1792) at 24-hour intervals of exposure

From: Mechanistic basis for morphological damage induced by essential oil from Brazilian pepper tree, Schinus terebinthifolia, on larvae of Stegomyia aegypti, the dengue vector

Time (h)

Effect

Dose (ppm) ± (95% confidence interval)

 

LC50

476.2289 ± 45.9505

 

LC90

968.8985 ± 71.1853

24

LC95

1108.563 ± 82.8280

 

LC99

1370.552

 

Slope

0.0029 ± 0.0005; Z = 10.82; p < 0.01hs

 

Constant

−1.3794 ± 0.2515 Z = −10.72; p < 0.01hs

 

G

132.96; df = 1; p < 0.01hs

 

LC50

419. 97 ± 45.5872

 

LC90

912.6437 ± 67.6247

 

LC95

1052.309 ± 79.0205

48

LC99

1314.297 ± 102.385

 

Slope

0.0027 ± 0.00052; Z = 10.22 (p < 0.01hs)

 

Constant

−1.1183 ± 0.2374; Z = −9.33 (p < 0.01hs)

 

G

115.88; df = 1; p < 0.01hs

 

LC50

366.9167 ± 45.7382

 

LC90

859.5862 ± 64.7419

 

LC95

999.2512 ± 75.8928

72

LC99

1261.239 ± 99.027

 

Slope

0.0023 ± 0.00052; Z = 10.22 (p < 0.01hs)

 

Constant

−0.8194 ± 0.2231; Z = −7.2 (p < 0.01hs)

 

G

87.83; df = 1; p < 0.01hs

  1. hs: Highly significant.