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This study evaluated insecticidal activity of different doses of Adansonia digitata stem bark and leaf powders on yam beetles dinoderus porcellus. Obtained plant parts from Federal colloge of Forestry, Jos were pulverized into powders. Phytochemical constituents of the plant were extracted by Soxhlet extraction and identified using standard procedure. Mortality testing was done by exposing dinoderus porcellus to yam chips mixed with various doses of Adansonia digitata stem bark and leaf powders. Yam chips without treatment served as the control. The experiments were laid out in randomized complete design with three replications. Data obtained were analysed using analysis of variance (P≤ 0.05). The result of the phytochemical examination of ethanolic extract of A. digitata revealed the presence of saponins, phenols, tannins and alkaloids flavonoids. The finding revealed the superiority of yam chips mixed stem bark and leaf powders over the untreated. The effect of plant extracts on percentage mortality showed significant difference (p&lt;0.05) among the treated and control. The sample treated with 15g of A. digitata stem-bark powder gave the highest mortality. The research hence recommends the use of 15 g of A. digitata stem-bark powder in elimination of Dinoderus porcellus infecting yam chips.&#x0D;Keywords: A. digitata, Insecticida, Mortality, flavonoid, Dinoderus porcellus

Insecticidal Effect Of Adansonia digitata Stem Bark And Leaf Powders On Dinoderus porcellus