A graft-transmissible disease displaying red veins. red blotches and total reddening of leaves in red-berried wine grape (Vitis vinifera L. ) cultivars was observed in commercial vineyards. Next-generation sequencing technology was used to identify etiological agent(s) associated with this emerging disease. https://www.ealisboa.com/top-offer-Telemarkskongen-SH-best-find/