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Gewählte Publikation:

Publikationstyp: Zeitschriftenaufsatz
Dokumentart: Originalarbeit

Publikationsjahr: 2006

AutorInnen: Khaosaad, T; Vierheilig, H; Nell, M; Zitterl-Eglseer, K; Novak, J

Titel: Arbuscular mycorrhiza alter the concentration of essential oils in oregano (Origanum sp., Lamiaceae).

Quelle: Mycorrhiza. 2006; 16(6):443-446



Autor/innen der Vetmeduni Vienna:

Novak Johannes
Zitterl-Eglseer Karin

Beteiligte Vetmed-Organisationseinheiten
Institut für Tierernährung und funktionelle Pflanzenstoffe


Zugehörige(s) Projekt(e): Anreicherung von biologisch aktiven Inhaltsstoffen in Arzneipflanzen mit Hilfe von pflanzen-symbiontischen Pilzen


Abstract:
The effect of root colonization by Glomus mosseae on the qualitative and quantitative pattern of essential oils (EO) was determined in three oregano genotypes (Origanum sp.). To exclude a simple P-mediated effect through mycorrhization the effect of P application to plants on the EO accumulation was also tested. In two genotypes the leaf biomass was increased through mycorrhization. Root colonization by the arbuscular mycorrhizal fungus (AMF) did not have any significant effect on the EO composition in oregano; however, in two genotypes the EO concentration significantly increased. As EO levels in P-treated plants were not enhanced, we conclude that the EO increase observed in mycorrhizal oregano plants is not due to an improved P status in mycorrhizal plants, but depends directly on the AMF-oregano plant association.

Keywords Pubmed: Fungi/growth & development*
Gas Chromatography-Mass Spectrometry
Mycorrhizae/growth & development*
Origanum/metabolism*
Origanum/microbiology*
Phosphates/metabolism
Plant Leaves/metabolism
Plant Oils/metabolism*
Random Allocation


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