Journal
FITOTERAPIA
Volume 77, Issue 7-8, Pages 506-510Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fitote.2006.05.031
Keywords
Cymbopogon schoenanthus; Callosobruchus maculatus; essential oil; piperitone
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The insecticidal activity of crude essential oil extracted from Cymbopogon schoenanthus and of its main constituent, piperitone, was assessed on different developmental stages of Callosobruchus maculatus. Piperitone was more toxic to adults with a LC50 value of 1.6 mu l/l vs. 2.7 mu l/l obtained with the crude extract. Piperitone inhibited the development of newly laid eggs and of neonate larvae, but was less toxic than the crude extract to individuals developing inside the seeds. (c) 2006 Elsevier B.V. All rights reserved.
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