A vine stem pitting disease; see under Rugose Wood-Complex.
English name (short RW) for a group of vine wood diseases that are presumably caused by viruses. These include corky bark disease, stem grooving and stem pitting. The causes have not yet been fully clarified; presumably, they are virus groups such as Grapevine clostrovirus A and B and various leaf roll virus complexes. All these diseases lead at least to a reduction in yield and a significantly reduced life span of the vines. The transmission or spread of the diseases occurs (at least in Europe) mostly during grafting through infected rootstocks (rootstocks) or scions (tops). Only in Mexico and the southern USA is there evidence of scale insect transmission (Corky bark). The symptoms of the different diseases are very similar, because wood and bark are affected by the infection
This is extremely dangerous because it is usually fatal for...
For my many years of work as an editor with a wine and culinary focus, I always like to inform myself about special questions at Wine lexicon. Spontaneous reading and following links often leads to exciting discoveries in the wide world of wine.
Dr. Christa Hanten
Fachjournalistin, Lektorin und Verkosterin, Wien