The technique consists of inserting into the trunk of a vine small wood dowels inoculated with Trichoderma spp., by drilling small holes into the trunk. Two examples of this practice in two wine Designations of Origin in Galicia (Spain) Ribeiro and Valdeorras are described in this datasheet.
This document is the result of interviews made on field with the principal objective to highlight the diversity of techniques used in field. To date, no assessment, no validation or checking efficacy of this practice was made. In the absence of any assessment, its success in different conditions of the ones exposed is not guarantee and the responsibility of Winetwork partners can’t be involved