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

Bulletin of the National Research Centre

Table 3 Survival of S. cerealella eggs treated with agro waste powders

Treatment powders	Conc. (g)	Number of egg incubated	% adult emergence
Rice husk	0.1	20	40.00 ± 3.88^f
Groundnut pod		20	30.00 ± 2.88^ef
Cowpea pod		20	26.67 ± 2.67^de
Maize cob		20	36.67 ± 2.67^f
Rice husk	0.2	20	36.67 ± 2.67^f
Groundnut pod		20	26.67 ± 2.67^de
Cowpea pod		20	20.00 ± 2.88^de
Maize cob		20	30.00 ± 2.88^ef
Rice husk	0.3	20	26.67 ± 2.67^de
Groundnut pod		20	16.67 ± 1.67^cd
Cowpea pod		20	10.00 ± 1.08^bc
Maize cob		20	20.00 ± 2.88^de
Rice husk	0.4	20	16.67 ± 1.67^cd
Groundnut pod		20	6.67 ± 0.04^bc
Cowpea pod		20	5.00 ± 0.04^b
Maize cob		20	10.00 ± 1.08^bc
Rice husk	0.5	20	10.00 ± 1.04^bc
Groundnut pod		20	1.00 ± 0.01^a
Cowpea pod		20	0.00 ± 0.00^a
Maize cob		20	5.00 ± 0.05^b
Control	0.0	20	90.00 ± 3.88^c

Mean followed by the same letters within the same column are not significantly different (p > 0.05)