Black spot disease (excoriosis, phomopsis, shoot necrosis) is a fungal disease of grapevines that is widespread throughout the world. However, it should not be confused with black rot, black foot disease or black wood disease due to the similarity in name. It was recognised and identified in France in 1853 under the name "punctuated anthracnose". The "black burner" mentioned in the middle of the 19th century is probably the same disease due to the symptoms. Anthracnose, which is sometimes thought to be identical, shows similar symptoms but is caused by a different fungus (Elsinoe ampelina).
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Thorsten Rahn
Restaurantleiter, Sommelier, Weindozent und Autor; Dresden