TABLE 3 in EvaluationofCrudeOilExtractsfromPlantsforControllingMaize Infestations Caused by the Weevil Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae)

TABLE 3: Mean % ± SD weight loss affected by adult S. zeamais on seed treated with crude oil extracts from various plant materials and solvents. TreatmentDose (g/kg)Hexane%mean ± SD weight loss ChloroformMethanolA. squamosa50.16 ± 0.07b0.06 ± 0.06b0.23 ± 1.09a100.03 ± 0.02a0.01 ± 00a0.13 ± 0.14a150.01 ± 0.01a0.00 ± 0.00a0.00 ± 0.00aC. ambrosioides50.1 ± 0.17bc0.10 ± 0.13b0.10 ± 0.03bc100.2 ± 0.09ab0.06 ± 0.10b0.14 ± 0.03b150.66 ± 0.10b0.03 ± 0.05b0.03 ± 0.03aE. globulus50.26 ± 0.21c0.14 ± 0.22b0.00 ± 0.00a100.06 ± 0.10a0.1 ± 0.00a0.00 ± 0.00a150.00 ± 0.00a0.04 ± 0.00b0.00 ± 0.00aM. stenopetala50.42 ± 0.28b0.03 ± 0.01b0.28 ± 0.00ab100.36 ± 0.12b0.01 ± 0.02ab0.24 ± 0.21ab150.16 ± 0.14bc0.01 ± 0.01a0.05 ± 0.08bA. indica50.02 ± 0.02a0.00 ± 0.00a0.02 ± 0.03b100.04 ± 0.05ab0.00 ± 0.00a0.00 ± 0.00a150.05 ± 0.09bc0.00 ± 0.00a0.00 ± 0.00aO. basilicum50.30 ± 0.06b0.16 ± 0.10ab0.31 ± 0.26b100.28 ± 0.34b0.06 ± 0.08b0.02 ± 0.02b150.11 ± 0.09b0.01 ± 0.01a0.01 ± 0.01aT. minuta50.38 ± 0.13b0.17 ± 0.03b0.73 ± 0.82c100.08 ± 0.07bc0.07 ± 0.00b0.00 ± 0.00a150.06 ± 0.10c0.04 ± 0.06bc0.00 ± 0.00aControl5.56 ± 0.06c4.54 ± 0.06c4.73 ± 0.82cActellic 2% dust50.000.000.00 Means within a column followed by different letters are significantly different (P <0.05%), Tukey’s student test (HSD).