Phomopsis cane and leaf spot of grapevine (Diaporthe neoviticola, syn. Phomopsis viticola)

The grapevine is one of the most important cultivated plant species in Croatia. The species is extremely sensitive to the attack of of large number of pathogens. Diaporthe neoviticola is the phytopathogenic fungus known under the former name Phomopsis viticola. This phytopathogenic fungus is one of the most important and most dangerous pathogen on grapevine in our country and in the world. Characteristic symptoms of the disease appear in the form of dark lesions on the primary internodes, which are during the winter in the form of small cancer wounds. Bleaching can also occur as an accompanying symptom of the disease, but it is not only a typical symptom of this disease. Control is performed with fungicides based on copper (copper oxide, copper oxychloride, etc.), aluminium fosetyl, folpet, mancozeb, metiram etc.