Assessment of the nutritional content of cowpea seed exposed to plant-derived (azadirachtin, myristicin and α-humulene) insecticides against Callosobruchus maculatus
2024
Ewa Ogbonnaya | Kola Matthew Anigo | Shuaibu Mallam Bala | Aliyu Muhammad | Lucius Joseph Bamaiyi | Ebisintei Precious | Ibe Uchechukwu Oluchukwu
The utilization of synthetic insecticides for safeguarding cowpea seed against C. maculatus infestation, while effective, faces substantial opposition due to safety apprehensions. The detrimental impact of Callosobruchus maculatus infiltration on cowpea seed quality serves as an indicator that could be utilized to assess the effectiveness and reliability of newly developed eco-friendly botanical insecticides. This study aimed to analyse the nutritional composition of cowpea seed treated with specific botanical insecticides namely, azadirachtin, myristicin, and α-humulene-based insecticides against C. maculatus. Concentrations (0.0061 μg/mL, 0.0122 μg/mL, and 0.0244 μg/mL) of azadirachtin, myristicin, and α-humulene-based insecticides respectively exhibited sustained effectiveness against C. maculatus. Notably, the protein, ash, lipid, and fibre content of the infested untreated cowpea seed were significantly (P < 0.06) lower than those of the treated infested cowpea seed. Conversely, the carbohydrate and moisture content of the untreated infested cowpea seed were significantly (P < 0.05) higher than those found in the treated infested cowpea seed. When examining the mineral content, cowpea seed treated with botanical insecticides displayed significantly (P < 0.05) higher mineral levels compared to the untreated uninfested cowpea seed, yet significantly (P < 0.05) lower mineral levels in comparison to the untreated infested cowpea seed. The outcomes of this investigation suggest that the aforementioned botanical insecticides hold promise as viable alternatives to the synthetic options in post-harvest cowpea bruchid management.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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