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Table 5 Lethal concentrations (LC) of adult S. cerealella treated with agro waste extracts

From: Chemical composition and toxicity of some Agro waste-derived insecticides against Angoumois grain moth, Sitotroga ceralella (Olivier) [Lepidoptera: Gelechiidae] infesting stored paddy grains

Agro wastes Slope ± SE Intercept ± SE χ2 Exposure period (h) LC50 (LCL-UCL) (ml) LC90 (LCL-UCL) (ml) p-value
Rice husk 1.02 ± 0.23 0.48 ± 0.15 7.88 24 0.34 (0.15–4.33) 0.81 (0.71–1.03) 0.05
  1.04 ± 0.23 0.73 ± 0.15 15.80 48 0.20 (0.13–3.04) 0.67 (0.5–2.31) 0.00
  1.25 ± 0.25 1.03 ± 0.15 14.58 72 0.15 (0.10–2.52) 0.58 (0.52–1.23) 0.00
  1.66 ± 0.25 1.48 ± 0.16 22.52 96 0.12 (0.08–2.16) 0.50 (0.46–0.75) 0.00
Groundnut Pod 1.00 ± 0.23 0.64 ± 0.15 7.61 24 0.22 (0.16–0.29) 0.74 (0.62–0.94) 0.06
1.32 ± 0.24 1.17 ± 0.16 25.45 48 0.13 (0.11–0.45) 0.55 (0.41–1.02) 0.00
  1.55 ± 0.25 1.50 ± 0.16 30.86 72 0.11 (0.09–0.31) 0.49 (0.37–0.85) 0.00
  1.86 ± 0.26 1.92 ± 0.18 26.55 96 0.09 (0.06–0.12) 0.44 (0.41–0.50) 0.00
Cowpea Pod 1.15 ± 0.23 0.92 ± 0.15 12.76 24 0.16 (0.14–1.14) 0.64 (0.55–1.46) 0.00
1.59 ± 0.25 1.53 ± 0.18 32.30 48 0.11 (0.09–0.92) 0.50 (0.42–1.27) 0.00
  1.74 ± 0.26 1.86 ± 0.18 28.45 72 0.09 (0.06–0.84) 0.44 (0.41–0.50) 0.00
  2.07 ± 0.29 2.25 ± 0.21 40.68 96 0.08 (0.07–0.94) 0.38 (0.24–0.41) 0.00
Maize cob 1.03 ± 0.23 0.56 ± 0.15 7.98 24 0.28 (0.18–0.32) 0.78 (0.65–1.02) 0.05
  1.13 ± 0.23 0.91 ± 0.15 13.50 48 0.16 (0.13–0.49) 0.67 (0.56–0.98) 0.00
  1.25 ± 0.24 1.16 ± 0.16 23.83 72 0.12 (0.10–0.39) 0.58 (0.32–0.56) 0.00
  1.61 ± 0.25 1.57 ± 0.17 29.24 96 0.11 (0.07–0.24) 0.48 (0.34–0.63) 0.00
  1. χ2 = Chi-square value, S.E = Standard error, LCL = Lower confidence limit and UCL = Upper confidence limit
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