See under bacterial necrosis.
The pathogen causing this vine disease is the Middle Eastern bacterium Xylophilus ampelinus (formerly Xanthomonas ampelina). It is one of the many species of protobacteria known to cause many plant diseases. The present one is specialized in...
There is a vast number of sources on the web where one can acquire knowledge about wine. But none has the scope, timeliness and accuracy of the information in the encyclopaedia at wein.plus. I use it regularly and rely on it.Sigi Hiss
freier Autor und Weinberater (Fine, Vinum u.a.), Bad Krozingen