Stress-metabolite Stilbenoids in Vine Trunk of Ojaleshi Grape Variety (Vitis vinifera L.) under Crown Gall Infection

Document Type : Original Article

Authors

1 Agricultural University of Georgia, Institute of Viticulture and Oenology, Tbilisi, Georgia

2 DI.PRO.VE.S., Università Cattolica del Sacro Cuore, Piacenza, Italia

10.22034/jchr.2021.1932855.1329

Abstract

The trunk stilbenoids of healthy and crown gall infected vines of Ojaleshi variety have been studied and identified as stress-metabolite compounds .Vine samples were taken from a 12-year-old vineyard cultivated on yellow soils type in Martvili region (Western Georgia). The stilbenoids were  extracted by ethyl acetate and then separated in a chromatographic column and analyzed by the HPLC/MS method. The following stilbenoids have been detected: cis-piceid, trans-resveratrol, trans-ε-viniferin, cis-miyabenol C, cis-miyabenol. The concentrations were higher in infected vines as compared to the healthy ones. This is the first time that stilbenoids have been investigated in Ojaleshi grape variety.

Keywords


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