Journal of Plant Physiology & Pathology ISSN: 2329-955X

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Research Article, J Plant Physiol Pathol Vol: 4 Issue: 1

Helichrysum italicum (Roth) G. Don - Essential Oil Composition and Activity on Tobacco Mosaic Virus Infection

Nada Bezić, Elma Vuko, Mirko Ruščić and Valerija Dunkić*
Department of Biology, Faculty of Science, University of Split, Ruđera Boškovića 33, Split, Croatia
Corresponding author : Valerija Dunkić
Faculty of Science, University of Split, Ruđera Boškovića 33, HR-210000 Split, Croatia
Tel: +38521385133
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+38521384086
E-mail: [email protected]
Received: October 16, 2015 Accepted: April 06, 2016 Published: April 11, 2016
Citation: Bezić N, Vuko E, Ruščić M, Dunkić V (2016) Helichrysum italicum (Roth) G. Don - Essential Oil Composition and Activity on Tobacco Mosaic Virus Infection. J Plant Physiol Pathol 4:1. doi:10.4172/2329-955X.1000144

Abstract

Chemical composition and antiphytoviral activity of essential oil were investigated in the aerial parts of Helichrysum italicum (Roth) G. Don (Asteraceae) growing wild in Croatia. Thirty nine compounds, representing 91.1% of the total oil, were identified. GC-MS analyses of the oil revealed presence of α-pinene (30.1%), neryl acetate (17.2%), β-curcumene (10.3%), γ-curcumene (6.4%) and (E)-caryophyllene (4.9%) as the most abundant components. Local host plants treated with essential oil of H. italicum prior to inoculation of tobacco mosaic virus showed delay in the development and strong reduction of lesions in the early stage of infection.

Keywords: Essential oil; GC-MS; Helichrysum italicum; Antiphytoviral activity; Local lesions; Tobacco mosaic virus

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