Insecticidal effect of powder and ethanolic extract of Cnidoscolus aconitifolius (Euphorbiaceae) on adults of Callosobruchus maculatus F. (Coleoptera:Chrysomelidae).

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AuteurHANGNILO, LYDIA
AuteurGANDA, HAFFIZOU
AuteurZANNOU EPOUSE BOUKARI, ELISABETH TOHOUEDE
Date d'ajout2026-06-02T16:06:57Z
Date de disponibilite2026-06-02T16:06:57Z
Date de publication2022
ResumePlants with insecticide effect is the main recourse to control cowpea weevil (Callosobruchus maculatus). This study assessed in laboratory, insecticidal effect of various doses of powder (125, 250, 375, 500, 625, 750 and 875 g of powder/kg of cowpea) and ethanolic extract (10%, 15%, 20% and 25% w/v) of Cnidoscolus aconitifolius on adults of the weevil. 10 adult couples of newly emerged weevil were introduced into each jar containing powder-seed or extract-seed mixture at a rate of 16 g healthy cowpea per treatment and per replication. The results revealed that the mortality rate was positively correlated with dose of powder (22.43 to 69.46%) and concentration of ethanolic extract (11.65 to 44.95%) of C. aconitifolius. Emergence rate decreased with dose of powder (12.31 to 5.13%) and concentration of ethanolic extract (19.24 to 8.44%). Infestation and oviposition rate were significantly reduced (Prob. < 0.001) by both extracts of C. aconitifolius. The different results revealed the potential of this plant to reduce the damage of C. maculatus in cowpea in storage. It is therefore possible to consider the use of extracts of this plant for the control of C. maculatus.
Autre identifiantBECDB-15853
URIhttps://dspace.uac.bj/handle/123456789/13387
Languefr
Fait partie deAfrican Journal of Biological Sciences
Relation urihttps://doit.org/10.33472
Sujetcowpea
SujetC. maculatus
SujetC. aconitifolius
Sujettoxicity
Sujetstorage
TitreInsecticidal effect of powder and ethanolic extract of Cnidoscolus aconitifolius (Euphorbiaceae) on adults of Callosobruchus maculatus F. (Coleoptera:Chrysomelidae).
TypeArticle

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