TABLE 2 in EvaluationofCrudeOilExtractsfromPlantsforControllingMaize Infestations Caused by the Weevil Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae)

TABLE 2: Combined effect of plant extract, concentration rate, and different solvents on inhibition rate (IR) of F1 progeny of S. zeamais. TreatmentDose (g/kg)Hexane% inhibition rate (mean ± SD) ChloroformMethanolA. indica587.5 ± 16.54ih87.5 ± 6.5ih93.75 ± 6.25ih10100 ± 0.00i95.25 ± 21.65i95.83 ± 7.23i15100 ± 0.00i100 ± 0.00i100 ± 0.00iC. ambrosioides568.75 ± 0.00efghi52.08 ± 0.16efgh70.83 ± 0.25efgh1068.75 ± 0.14dfgh72.92 ± 0.24dfgh81.25 ± 0.23dfgh1568.75 ± 0.15fghi85 ± 0.25fghi89.553 ± 0.18fghiM. stenopetala554.58 ± 1.33ab56.67 ± 0.36ab51.25 ± 0.00ab1062.5 ± 0.33bc66.67 ± 0.23bc69.58 ± 0.69bc1563.33 ± 0.24bc62.91 ± 0.16bc69.58 ± 0.18bcA. squamosa566.25 ± 0.13cde62.50 ± 0.09cde70.83 ± 0.16def1083.33 ± 0.07cdef81.25 ± 0.08cdef89.58 ± 0.03defgh15100 ± 0.00i95.58 ± 0.09hi100 ± 0.00iE. globulus581.25 ± 0.08defg81.83 ± 0.09defg91.67 ± 0.03hi1093.75 ± 0.11fghi85.42 ± 0.25fghi100 ± 0.00i1597.2 ± 0.03hi100 ± 0.00i100 ± 0.00iO. basilicum548.75 ± 0.35cdfg43.75 ± 0.06cdfg62.5 ± 0.16cdfg1059.17 ± 0.16cde56.25 ± 0.34abc69.17 ± 0.14bc1561.67 ± 0.07a68.75 ± 0.25ab62.1 ± 0.40abT. minuta562.08 ± 0.31efgh66.25 ± 0.93efg75.00 ± 12.50fg1082.25 ± 0.20ghi89.58 ± 0.44hi81.25 ± 0.07ghi1589.58 ± 0.03ghi89.50 ± 0.88hi95.42 ± 0.16hiActellic 2% dust5100.00 ± 0.00i100.0 ± 00i100.0 ± 0.00iUntreated seed00.00 ± 00a00.00 ± 00a00.00 ± 0.00a Means within a column followed by different letters are significantly different (P <0.05%), Tukey’s student test (HSD).