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Bioefficacy of organic extracts of A. sativum against S. zeamais (Coleoptera; Dryophthoridae)

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Date
2017
Author
Ouko, R.O.
Koech, S.C.
Arika, W.M.
Osano, K.O.
Ogola, P.E.
Oduor, R.O.
Ngugi, M.P.
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Abstract
Laboratory based experiments were carried out to determine the fumigant toxicities, repellent and progeny emergence inhibition activities of Methanolic, Hexane and Methanolic: Hexane blend extracts of Allium sativum on Sitophilus zeamais (Coleoptera; Dryophthoridae). Four different concentrations (25, 50, 75 and 100%) of the extracts were tested. the fumigant toxicities of the A. sativum extracts were found to be dependent on both concentration and exposure time. the maximum toxicities (96.15%) was recorded for higher concentration of blend extracts and minimum (6.41%) with hexane extracts of A. sativum at lowest concentration of (25%). The three different A. sativum extracts recorded significantly good level of repellent activities and reduction in progeny emergence.
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http://ir-library.ku.ac.ke/handle/123456789/17714
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  • RP-Department of Biochemistry and Biotechnology [535]

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