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Titolo:
Fumigant toxicity of volatile natural products from Korean spices and medicinal plants towards the rice weevil, Sitophilus oryzae (L)
Autore:
Lee, SE; Lee, BH; Choi, WS; Park, BS; Kim, JG; Campbell, BC;
Indirizzi:
USDA ARS, Western Reg Res Ctr, Platn Protect Res Unit, Albany, CA 94710 USA USDA ARS Albany CA USA 94710 Platn Protect Res Unit, Albany, CA 94710 USA Soonchunhyang Univ, Dept Life Sci, Chungnam 337745, South Korea Soonchunhyang Univ Chungnam South Korea 337745 ngnam 337745, South Korea Korea Univ, Dept Agr Chem, Seoul 136701, South Korea Korea Univ Seoul South Korea 136701 Agr Chem, Seoul 136701, South Korea
Titolo Testata:
PEST MANAGEMENT SCIENCE
fascicolo: 6, volume: 57, anno: 2001,
pagine: 548 - 553
SICI:
1526-498X(200106)57:6<548:FTOVNP>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
ESSENTIAL OILS; CHLORPYRIFOS-METHYL; L COLEOPTERA; INHIBITION; INSECTICIDES; RESISTANCE; INSECTS; ACETYLCHOLINESTERASE; CURCULIONIDAE; COMPONENTS;
Keywords:
Sitophilus oryzae; rice weevil; fumigant toxicity; essential oils; Mentha arvensis; menthone; menthol; acetylcholinesterase inhibition;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Lee, SE USDA ARS, Western Reg Res Ctr, Platn Protect Res Unit, 800 Buchanan St, Albany, CA 94710 USA USDA ARS 800 Buchanan St Albany CA USA 94710 Albany, CA 94710 USA
Citazione:
S.E. Lee et al., "Fumigant toxicity of volatile natural products from Korean spices and medicinal plants towards the rice weevil, Sitophilus oryzae (L)", PEST MAN SC, 57(6), 2001, pp. 548-553

Abstract

The fumigant toxicity of various volatile constituents of essential oils extracted from sixteen Korean spices and medicinal plants towards the rice weevil, Sitophilus oryzae L (Coleoptera: Curculionidae), was determined. Themost potent toxicity was found in the essential oil from Mentha arvensis Lvar piperascens (LC50 = 45.5 mul litre(-1) air). GC-MS analysis of essential oil fi om M arvensis showed it to be rich in menthol (63.2%), menthone (13.1%) and limonene (1.5%), followed in abundance by beta -pinene (0.7%), alpha -pinene (0.6%) and Linalool (0.2%). Treatment of S oryzae with each 12.7 mul litre(-1) air) followed by linalool (LC50 = 39.2 mul litre(-1) air) and alpha -pinene (LC50 = 54.9 mul litre(-1) air). Studies on inhibition ofacetylcholinesterase activity of S oryzae showed menthone to have a nine-fold lower inhibitory effect than menthol, despite menthone being 8.1-fold more toxic than menthol to the rice weevil. Different modes of toxicity of these monoterpenes towards S oryzae are discussed. (C) 2001 Society of Chemical Industry.

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Documento generato il 26/01/20 alle ore 10:45:02