TABLE 1 in EvaluationofCrudeOilExtractsfromPlantsforControllingMaize Infestations Caused by the Weevil Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae)

TABLE 1: Mortality Mean % ± SD adult S. zeamais due to the grain treated with crude oils extracted by different plant and solvents.Plant speciesConcentration%Mortality after 24 Hrs Chloroform HexaneMethaneMortality after 48 Hrs Chloroform HexaneMethaneMortality after 96 Hrs Chloroform HexaneMethaneA. indica580 ± 0.5e66 ± 0.7c68 ± 0.9c78 ± 0.4e76 ± 1.2ef75 ± 0.2d100 ± 0.0g66 ± 0.1a100 ± 0.0g1083 ± 0.6e91 ± 0.4f91 ± 0.3e90 ± 0.2f86 ± 2.3fg86 ±.5ef100 ± 0.0g91 ± 0.3ef100 ± 0.0g1595 ± 0.7f98 ± 0.7g98 ± 0.3g93 ±.69g91 ± 0.7fg91 ± 0.4ef100 ± 0.0g98 ±.4fg100 ± 0.0gE. globulus580 ± 3.6e71 ± 3.2cd75 ± 3.6de98 ± 1.5g86 ± 1.5fg83 ± 1.7e100 ± 0.0g100 ± 0.0g100 ± 0.0g1080 ± 4.6e95 ± 0.6f83 ± 4.6ef98 ±.6g93 ± 0.6g85 ± 3.3ef100 ± 0.0g100 ± 0.0g100 ± 0.0g1588 ± 0. 4d93 ± 1.7f83 ± 4.0ef71 ± 0.0e85 ± 2.1ef86 ± 1.5ef100 ± 0.0g100 ± 0.0g100 ± 0.0gM. stenopetala563 ± 2.1c15 ± 1.7a21 ± 3.5a56 ± 4.6d58 ± 5.0d31 ± 1.3ab23 ± 3.5a71 ± 2.0bc63 ± 5.3bcd1061 ± 3.5c21 ± 5.0a25 ± 4.0a30 ± 1.7b38 ± 0.6ab46 ± 1.7bc26 ± 3.1a73 ± 3.05c63 ± 5.3bcd1543 ± 1.2a25 ± 2.4ab41 ± 4.0b28 ± 1.2a46 ± 1.2c38 ± 4.0b23 ± 0.6a98 ± 1.3fg63 ± 5.3bcdA. squamosa580 ± 2.0e66 ± 1.5cd68 ± 4.7c78 ± 1.5e86 ± 0.6f85 ± 4.0ef81 ± 0.6de82 ± 0.0ed80 ± 0.0ef1080 ± 4.9a91 ± 2.0f91 ± 0.6fg80 ± 2.7f86 ± 1.5ef86 ± 0.6ef86 ± 2.3ef81 ± 0.5de90 ± 0.0fg1580 ± 4.9a98 ± 1.5g98 ± 0.6g83 ± 2.7f81 ± 0.6ef81 ± 0.6e88 ± 2.3de90 ± 0.04ef90 ± 1.5fgO. basilicum560 ± 0.1d65 ± 5.3c68 ± 0.0c58 ± 5.3d63 ± 5.3e63 ± 2.1cd70 ± 0.0bc62 ± 4.16a55 ± 0.6a1070 ± 0.0d70 ± 1.6c74 ± 0.0d64 ± 5.3c75 ± 2.7ef74 ± 6.0ef90 ± 2.3def70 ± 1.5b90 ± 0.7fg1580 ± 0.6e85 ± 1.2e90 ± 4.4fg81 ± 0.6f86 ± 1.2f85 ± 1.2ef100 ± 0.0g80 ± 0.0cd80 ± 0.1efC. ambrosioidae580 ± 2.0e66 ± 1.5c68 ± 4.7cd18 ± 1.6a20 ± 0.6ab25 ± 4.0a61 ± 0.6bc85 ± 0.0e76 ± 1.5ef1083 ± 4.9e91 ± 2.0f91 ± 0.6f10 ± 2.7a6 ± 1.5a56 ± 0.6c76 ± 2.3b81 ± 0.6d81 ± 0.6fg1595 ± 4.9f98 ± 1.5g78 ± 0.6de53 ± 2.7a41 ± 0.6c41 ± 0.6bc81 ± 2.3de100 ± 0.0g65 ± 0.0defT. minuta575 ± 0.6d80 ± 0.0e80 ± 0.0ef88 ± 1.4g65 ± 1.2e65 ± 1.3cd100 ± 0g100 ± 0.0g100 ± 0.0g1081 ± 0.6e73 ± 0.6ce83 ± 0.6fg78 ± 1.575 ± 0.6ef85 ± 0.6e100 ± 0g100 ± 0.0g100 ± 0.0g1581 ± 0.6e81 ± 0.6de83 ± 1.5ef82 ± 3.5f83 ± 0.4ef86 ± 1.6ef100 ± 0g100 ± 0.0g100 ± 0.0gStandard Check5100 ± 0g100 ± 0g100 ± 0g100 ± 0g100 ± 0g100 ± 0g100 ± 0g100 ± 0.0g100 ± 0.0gControl0.00 ± 000.00 ± 000.00 ± 000.00 ± 000.00 ± 000.00 ± 000.00 ± 000.00 ± 0000 ± 0.00Means within column followed by different letters are significantly different (P <0.05%), Tukey student test (HSD).