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Table 4 Larvicidal activity of plant extracts against 3 rd Instar larvae of An. gambiae s.s. after 24 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 3.03 y = 5.03 + 2.07x 0.96 0.75 - 1.44 4.01 2.34 - 10.83
B. pilosa 0.81 y = 5.26 + 1.25x 0.62 0.45 - 1.02 6.54 2.77 - 47.25
P. hysterophorus 3.52 y = 4.61 + 1.41x 1.88 1.13 - 6.17 15.21 5.04 - 250.69
T. diversifolia 2.73 y = 5.35 + 2.63x 0.74 0.62 - 0.94 2.27 1.60 - 4.04
R. communis 0.79 y = 6.13 + 2.87x 0.40 0.35 - 0.47 1.13 0.89 - 1.59
S. didymobotrya 0.52 y = 5.86 + 3.08x 0.53 0.46 - 0.62 1.37 1.08 - 1.97
A. indica 0.67 y = 5.899 + 2.54x 0.44 0.38 - 0.53 1.41 1.06 - 2.18
  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.