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

Ashamo, Michael Olufemi; Ileke, Kayode David; Onasile, Ayomiposi Idowu

doi:10.1186/s42269-020-00473-y

Bulletin of the National Research Centre

Table 1 Dose–response of adult S. cerealella treated with agro waste powders

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 powders	Conc. (g)	Mean % mortality ± SE after
Agro waste treatments powders	Conc. (g)	24 h	48 h	72 h	96 h
Rice husk	0.1	23.33 ± 2.67^b	33.33 ± 2.67^bc	40.00 ± 3.88^bc	43.33 ± 3.67^b
Groundnut pod		30.00 ± 2.88^cde	36.67 ± 2.33^cde	43.33 ± 3.67^bc	46.67 ± 3.67^c
Cowpea pod		33.33 ± 2.67^bcd	40.00 ± 3.88^bcd	46.67 ± 3.33^bcd	50.00 ± 3.88^bc
Maize cob		26.67 ± 2.33^bc	30.00 ± 2.88^b	40.00 ± 3.88^b	43.33 ± 3.67^b
Rice husk	0.2	26.67 ± 2.33^bc	36.67 ± 2.33^cde	40.00 ± 3.88^bc	43.33 ± 3.67^cde
Groundnut pod		33.33 ± 2.67^def	40.00 ± 3.88^def	46.67 ± 3.33^bcd	53.33 ± 3.67^cde
Cowpea pod		36.67 ± 2.33^cde	43.33 ± 3.67^def	50.00 ± 3.88^cde	56.67 ± 3.33^def
Maize cob		30.00 ± 2.88^bcd	36.67 ± 2.33^cde	43.33 ± 3.67^bc	50.00 ± 3.88^bcd
Rice husk	0.3	36.67 ± 3.33^def	40.00 ± 3.88^def	46.67 ± 3.33^cde	53.33 ± 3.67^cde
Groundnut pod		43.33 ± 3.67^efg	46.67 ± 3.33^efg	53.33 ± 3.67^def	60.00 ± 3.88^def
Cowpea pod		46.67 ± 3.33^fgh	50.00 ± 3.88^efg	56.67 ± 3.33^def	63.33 ± 3.67^efg
Maize cob		40.00 ± 3.88^efg	43.33 ± 3.67^efg	50.00 ± 0.00^cde	56.67 ± 3.33^cde
Rice husk	0.4	40.00 ± 3.88^fgh	43.33 ± 3.67^fgh	53.33 ± 3.67^fgh	60.00 ± 3.88^fgh
Groundnut pod		46.67 ± 3.33^fgh	50.00 ± 3.88^fgh	60.00 ± 3.88^fgh	66.67 ± 3.33^gh
Cowpea pod		50.00 ± 3.88^ghi	53.33 ± 3.67^ghi	63.33 ± 3.67^ghi	70.00 ± 3.88^h
Maize cob		43.33 ± 3.67^ghi	46.67 ± 3.33^fgh	56.67 ± 3.33^efg	63.33 ± 3.67^fgh
Rice husk	0.5	46.67 ± 3.33^hi	53.33 ± 3.67^ijk	63.33 ± 3.67^ghi	76.67 ± 3.33ⁱ
Groundnut pod		56.67 ± 3.33^hi	63.33 ± 3.67^jk	66.67 ± 3.33^hi	83.33 ± 3.67ⁱ
Cowpea pod		60.00 ± 3.88^hi	66.67 ± 3.33^k	70.00 ± 3.88ⁱ	86.67 ± 3.33ⁱ
Maize cob		50.00 ± 3.88ⁱ	60.00 ± 3.88^ijk	66.67 ± 3.33^hi	80.00 ± 3.88ⁱ
Control		0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a	0.00 ± 0.00^a

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

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