Essential oils of lippia species in Kenya. IV: Maize weevil (sitophilus zeamais) repellancy and larvicidal activity

Publication Type

Journal Article

Journal Name

Pharmaceutical Biology

Publication Date

1-1-1992

Abstract

The repellancy of essential oils of eight Lippia species on maize weevils was compared with NN-diethyltoluamide (DEET). The larvicidal activity of these essential oils was also examined. As a repellant, the essential oil of L. ukambensis (chemotype camphor) was the most active. Other promising repellants were the essential oils of L. javanica, L. dauensis, L. somalensis and L. grandifolia. The essential oil of L. wilmsii was the most active as a larvicide. Individual hydrocarbon monoterpene constituents were generally more active than the oxygenated constituents of the essential oils. © 1992 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.

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