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Biopesticide value of Uapaca corbisieri and Sterculia oblonga plants against Dermestes maculatus DeGeer (Coleoptera: Dermestidae) infestation in smoked-dried fish Clarias gariepinus Burchell
Ruhuna Journal of Science 15(2): 75–85 · 2024
https://doi.org/10.4038/rjs.v15i2.150
Abstract
Fish merchants and consumers face severe deterioration and damage of smoked-dried fish due to Dermestes maculatus (Coleoptera: Dermestidae) infestation. This study evaluates the potential of Sterculia oblonga and Uapaca corbisieri plant powder as natural alternatives to synthetic fumigants for controlling D. maculatus infestation and minimising damage to smoked-dried Clarias gariepinus fish. The powders were separately admixed at concentrations of 5.0, 7.5 and 10.0% w/w per 20 g of dried fish. Results showed that U. corbisieri and S. oblonga powder at different concentrations evoked significant (P
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