Abstract
Research carried out in 2019-2020 in four regions of central Russia, showed that three species of fungi from the genus Cytospora (Cytospora ambiens, C. grossularia and C. ribes) are found on the desiccating branches of black currants, red currants, golden currants, and gooseberries. In the Moscow region, two species have been marked: C. grossularia and C. ribes. The species Cytospora ribes was the most widespread. In the Yaroslavl region, 3 species of the genus Cytospora were mentioned on black currants, red currants, and gooseberries, these are Cytospora ambiens, C. grossularia and C. ribes. The fungus C. ambiens on red currants was found twice as often (33.3 %) than C. ribes (16.7 %). In the Bryansk region, the fungus Cytospora ambiens was revealed from the desiccated branches of black currant. The fungus Cytospora ribes was identified from plant samples of black currants taken at the Fruit station of the Timiryazev Agricultural Academy (Moscow), and from the gooseberry C. grossularia. Currant infect ability records of currants and gooseberry to cytosporous desiccation showed that the most affected by Cytospora spp. there was golden currant with an average score of 1.32, and gooseberries were the least affected crop with an average score of 0.32.
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