Skip to main content

Table 5 Larvicidal activity of plant extracts against 3 rd Instar larvae of An. gambiae s.s. after 72 h of exposure

From: Toxicity of six plant extracts and two pyridone alkaloids from Ricinus communis against the malaria vector Anopheles gambiae

Plant extract χ2 Regression equation LC50(mg/mL) LCL-UCL(mg/mL) LC90(mg/mL) LCL-UCL(mg/mL)
A. afra 3.074 y = 6.98 + 2.94x 0.21 0.18 - 0.25 0.58 0.47 - 0.78
B. pilosa 1.75 y = 7.10 + 3.08x 0.21 0.18 - 0.24 0.54 0.45 - 0.72
P. hysterophorus 0.15 y = 6.44 + 2.09x 0.21 0.16 - 0.25 0.84 0.63 - 1.33
T. diversifolia 3.49 y = 6.94 + 4.00x 0.33 0.29 - 0.37 0.68 0.58 - 0.86
R. communis 0.91 y = 8.17 + 4.21x 0.18 0.15 - 0.20 0.36 0.30 - 0.45
S. didymobotrya 2.98 y = 6.93 + 3.36x 0.27 0.23 - 0.30 0.64 0.53 - 0.83
A. indica 2.758 y = 7.00 + 2.73x 0.19 0.15 - 0.22 0.55 0.44 - 0.75
  1. LC50 and LC90 lethal concentration that kills 50% and 90% of An. gambiae s.s. larvae exposed to the extracts, LCL lower confidence limit, UCL upper confidence limit based on 95% Confidence interval, χ2 chi-square values.