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8th Global Summit on Plant Science

Berlin, Germany

M.Bezhuashvili

Institute of Viticulture and Oenology of the Agricultural University of Georgia, Georgia

Title: Stress-metabolites phytoalexins stilbenoids of vine leaves Shavkapito variety (Vitis vinifera L.) in condition Downy mildew infection

Biography

Biography: M.Bezhuashvili

Abstract

It is studied Georgian red vine  variaty Shavkapito healthy and infected  leaves by downy mildew (Plasmopara viticola berl.) stilbenoids quantity and qualitative compounds. The simples were taken in east part of Georgia from the soil Eutric cambisols of 15  years of vineyard. Stilbenoids containing fractions were isolated  from the objects by ethylacetate.  This fractions were processed with appropriate method and were analysed by HPLC/MS. It is established stress-metabolite stilbenoids, among them dominate trans-resveratrol and trans-ε-viniferin. In infected by downy mildew leaves were fixed  concentration increase. In concret, trans-resveratrol from 1,57 mg/kg to 15,23 mg/kg. Trans-ε-viniferin from 10,92 mg/kg to 18,51 mg/kg.  The results of the experiment is scientific novelty for the Shavkapito grape variety and is important for establishing in future of the vine immunity  correlation with phytoalexins- stilbenoids