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Table 4 Dose–response 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 waste treatments extracts Conc. (ml/20 g paddy) Mean % mortality ± SE after
24 h 48 h 72 h 96 h
Rice husk 0.1 33.67 ± 2.33b 43.33 ± 3.67bc 43.33 ± 3.67bc 50.00 ± 3.88b
Groundnut pod   40.00 ± 3.88de 50.00 ± 3.88cd 56.33 ± 3.67bc 60.67 ± 3.33c
Cowpea pod   46.67 ± 2.33cd 56.67 ± 3.33cde 63.67 ± 3.33cd 66.33 ± 3.67cd
Maize cob   36.33 ± 2.67bc 46.67 ± 3.33b 53.33 ± 3.33b 56.67 ± 3.33b
Rice husk 0.2 36.67 ± 2.33bc 46.67 ± 3.33cde 53.67 ± 3.33bc 56.67 ± 3.33cde
Groundnut pod   46.33 ± 3.67def 56.33 ± 3.67def 60.00 ± 3.88cd 66.33 ± 3.67cde
Cowpea pod   50.00 ± 3.88cde 60.00 ± 3.88def 66.33 ± 3.67de 70.00 ± 3.88def
Maize cob   40.00 ± 3.88bcd 50.00 ± 3.88cde 56.67 ± 3.33bc 60.00 ± 3.88bcd
Rice husk 0.3 43.33 ± 3.67def 50.00 ± 3.88def 56.33 ± 3.67cde 63.67 ± 3.33cde
Groundnut pod   50.00 ± 3.88efg 60.00 ± 3.88efg 66.67 ± 3.33efg 70.00 ± 3.88def
Cowpea pod   53.67 ± 3.33fgh 63.67 ± 3.33efg 70.00 ± 3.88efg 73.67 ± 3.33efg
Maize cob   46.33 ± 3.67efg 56.67 ± 3.33efg 60.00 ± 0.88def 66.67 ± 3.67cde
Rice husk 0.4 46.67 ± 3.33fgh 53.67 ± 3.33fgh 63.67 ± 3.33fg 73.33 ± 3.67fgh
Groundnut pod   53.33 ± 3.67fgh 63.33 ± 3.67fgh 73.33 ± 3.67gh 90.00 ± 3.88hi
Cowpea pod   63.33 ± 3.67gh 76.67 ± 3.33ghi 90.00 ± 3.88ghi 100.00 ± 0.00i
Maize cob   50.00 ± 3.88gh 60.00 ± 3.88fgh 66.33 ± 3.67fg 76.33 ± 3.67fg
Rice husk 0.5 66.67 ± 3.33h 80.00 ± 3.88ij 86.67 ± 3.33hi 96.67 ± 3.33hi
Groundnut pod   73.33 ± 3.67hi 93.67 ± 3.33jk 100.00 ± 0.00i 100.00 ± 0.00i
Cowpea pod   83.33 ± 3.67i 100.00 ± 0.00k 100.00 ± 0.00i 100.00 ± 0.00i
Maize cob   70.00 ± 3.88h 83.67 ± 3.33j 93.33 ± 3.67hi 100.00 ± 0.00i
Control   0.00 ± 0.00a 0.00 ± 0.00a 0.00 ± 0.00a 0.00 ± 0.00a
  1. Mean followed by the same letters within the same column are not significantly different (p > 0.05)