Journal
PEST MANAGEMENT SCIENCE
Volume 58, Issue 5, Pages 479-482Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/ps.487
Keywords
Euphorbia paralias; diterpenes; Biomphalaria alexandrina; Spodoptera littoralis; molluscicidal activity; anti-feedant activity
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Nine known diterpene polyesters of segetanes, jatrophenes and paralianes have been isolated from the aerial parts of Euphorbia paralias L. The molluscicidal activity of isolated compounds was evaluated on Biomphalaria alexandrina (Ehrenberg). Paraliane diterpene, (2S,3S,4R,5R,6R,8R, 12S,13S,14R,15R)-5,8,14-triacetoxy-3-benzoyloxy-15-hydroxy-9-oxo-paraliane, was the most potent compound against the snail. Anti-feedant activity was tested by a conventional leaf disc method against third-instar larvae of Spodoptera littoralis (Boisd). Jatrophene diterpene, (2R,3R,4S,5R,7S,8R,13R, 15R)-2,3,5,7,15-pentaacetoxy-8-angeloyloxy-14,15-dioxojatropha-6(17)-11E-diene, had the highest anti-feedant activity among the compounds tested. (C) 2002 Society of Chemical Industry.
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