Skip to main content

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.