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Bio-activities of Powders four plants against <i>Prostephanus truncatus</i> Horn. (Coleoptera: Bostrichidae) and <i>Tribolium Castaneum</i> Herbst (Coleoptera: Tenebrionidae)


T Buxton
VY Eziah
O Owusu

Abstract

The effect of the dry powders of the roots and leaves of Ocimum canum, Zanthoxylum xanthoxyloides, Moringa oleifera and Securidaca  longipedunculata on the survival of Prostephanus truncatus (Horn)  (Coleoptera: Bostrichidae) and Tribolium castaneum Herbst (Coleoptera:  Tenebrionidae) was determined in the laboratory. Generally, all the plant  materials exhibited various levels of bio efficacies, with Z. xanthoxyloides and S. longipedunculata exhibiting the highest potency. Percentage survivorship of 35% and 40% were recorded for the roots and leaves, respectively, of Z.  xanthoxyloides against T. casteeneum while 20% and 30% were recorded for roots and leaves of S. longipedunculata, respectively, against P.tuncatus.

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eISSN: 2661-9040
print ISSN: 0855-4307