1Ilesanmi, J.O.Y and 2Gungula, D.T.
The use of bioinsecticides for the control of storage insect pests by small scale farmers is anchored on their availability, affordability, safety, quality and effectiveness. Although neem-moringa seed oils mixtures have satisfactorily preserved cowpea grains up to 270days, the proximate composition of the treated grains is not documented. This research was carried out to determine the proximate composition of cowpea grains treated with mixtures of neem-moringa oils and stored for 270 days. The mixtures of theoils at ratio 1: 3 and 1: 2 neem:moringa were applied on cowpea at concentrations of 2.5 μl/g and 5.0 μl/g of cowpea grains,proximate composition data were collected at the end of every 90 day sand analysed statistically. The results showed that treatment of cowpea grains with ratio 1:3/2.5 and 5.0 μl/g mixture of neem-moringa seed oils had no significant (P<0.05) effect on the proximate composition of cowpea even at 270days of storage unlike other treatments. The study concludes that mixture of neem-moringa seed oils at 1:3/5.0μl/ggave the best performance in terms of its effectson the proximate composition of the stored cowpea grains as such it is recommended for preservation of cowpea grains for maximum nutritional benefits.
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