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Table 2 Relative toxicity of different plant extracts against female An. gambiae s.s. after 3 days of oral feeding

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 1.99 y = 3.38 + 1.26x 19.56 15.93 - 25.84 204.48 119.95 - 434.91
B. pilosa 0.97 y = 2.94 + 1.56x 21.09 17.31 - 27.70 140.35 87.87 - 272.85
P. hysterophorus 1.76 y = 2.35 + 2.08x 18.90 15.61 - 25.44 78.28 49.85 - 161.91
T. diversifolia 2.17 y = 3.71 + 1.40x 8.30 7.53 - 9.28 67.86 50.99 - 97.14
R. communis 3.61 y = 2.65 + 2.14x 8.69 11.28 - 14.25 49.53 37.89 - 70.97
S. didymobotrya 2.33 y = 1.84 + 2.30x 23.39 18.29 - 35.67 84.27 50.33 - 208.19
A. indica 1.37 y = 3.58 + 1.51x 8.69 7.86 - 9.75 61.17 45.68 - 89.40
  1. LC50 and LC90 lethal concentration that kills 50% and 90% of the ingesting female An. gambiae s.s. respectively, LCL lower confidence limit, UCL upper confidence limit based on 95% Confidence interval, χ2 chi-square values.