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Original contribution

Table III.

Molluscicidal activities of Solanum nigrum var. villosum extracts, after 48 hours exposure time, against Galba truncatula.

Extract Leaves
Mature fruits
Immature fruits
LC50 (mg/L)
(95% CI)
LC90 (mg/L)
(95% CI)
LC50 (mg/L)
(95% CI)
LC90 (mg/L)
(95% CI)
LC50 (mg/L)
(95% CI)
LC90 (mg/L)
(95% CI)
Dichloromethane (CH2Cl2) 31.37
(27.50; 35.24)
46.53
(39.12; 53.94)
50.84
(45.53; 58.15)
64.8
(48.04; 81.21)
34.41
(30.64; 38.18)
50.47
(43.97; 56.97)

Methanol (MeOH) 17.51
(14.86; 20.16)
26.05
(21.97; 30.13)
0 0 15.19
(14.38; 96.19)
18.85
(17.44; 20.26)

MeOH-H2O extract (8:2, v-v) 15.92
(13.43; 18.41)
23.45
(19.63; 27.27)
84.83
(43.28; 26.38)
152.36
(50.32; 254.39)
3.96
(3.11; 4.81)
7.49
(6.18; 8.8)

Dechlorinated water 0 0 0 0 0 0

LC50: 50% lethal concentration; LC90: 90% lethal concentration; CI: confidence interval.

CuCl2 showed molluscicidal activity against the mollusca gastropoda Galba truncatula after 48 hours with LC50 = 26.12 (19.35; 31.69) mg/L and LC90 = 62.71 (49.83; 96.50) mg/L; and after 144 hours with LC50 = 6.20 (5.42; 6.94) mg/L and LC90 = 11.34 mg/L.

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