Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0022-474X(99)00015-6
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dc.titleBioactivity of the essential oil extracted from Evodia rutaecarpa Hook f. et Thomas against the grain storage insects, Sitophilus zeamais Motsch. and Tribolium castaneum (Herbst)
dc.contributor.authorLiu, Z.L.
dc.contributor.authorHo, S.H.
dc.date.accessioned2014-10-27T08:22:49Z
dc.date.available2014-10-27T08:22:49Z
dc.date.issued1999-10
dc.identifier.citationLiu, Z.L., Ho, S.H. (1999-10). Bioactivity of the essential oil extracted from Evodia rutaecarpa Hook f. et Thomas against the grain storage insects, Sitophilus zeamais Motsch. and Tribolium castaneum (Herbst). Journal of Stored Products Research 35 (4) : 317-328. ScholarBank@NUS Repository. https://doi.org/10.1016/S0022-474X(99)00015-6
dc.identifier.issn0022474X
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/100168
dc.description.abstractThe toxic, repellent and feeding deterrent activities of the essential oil extracted from Evodia rutaecarpa Hook f. et Thomas, were evaluated against Sitophilus zeamais adults and Tribolium castaneum larvae and adults. Contact toxicity assayed by topical application showed that S. zeamais adults were significantly more susceptible (LD50=0.043 μg/mg body wt) to the essential oil than T. castaneum adults (LD50=0.118 μg/mg body wt) and larvae (LD50=0.093-0.126 μg/mg body wt). However, in the fumigation assays, S. zeamais (LC50=41 μg/L air) was less susceptible to the essential oil than T. castaneum (LC50=11.7 μg/L air). When compared with larvae of various ages, T. castaneum adults were more susceptible to the fumigant toxicity of the essential oil. Also, in the treated filter paper repellency test, the essential oil was more repellent to T. castaneum than to S. zeamais. A flour disk bioassay demonstrated that the essential oil of E. rutaecarpa had a weaker feeding deterrent action against T. castaneum adults than against T. castaneum larvae and S. zeamais adults. The reduction in growth rate of T. castaneum larvae and S. zeamais adults was mainly due to a behavioural (feeding deterrent) action rather than to post-ingestive toxicity of the oil.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S0022-474X(99)00015-6
dc.sourceScopus
dc.subjectContact toxicity
dc.subjectFeeding deterrent
dc.subjectFumigant
dc.subjectPost-ingestive toxicity
dc.subjectRepellency
dc.typeArticle
dc.contributor.departmentBIOLOGICAL SCIENCES
dc.description.doi10.1016/S0022-474X(99)00015-6
dc.description.sourcetitleJournal of Stored Products Research
dc.description.volume35
dc.description.issue4
dc.description.page317-328
dc.description.codenJSTPA
dc.identifier.isiut000082111500001
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