Fungus Spaeropsis Malorum peck. One of the currant stalk drying agents
https://doi.org/10.31676/2073-4948-2020-62-172-178
Abstract
The article highlights the results of research carried out in 2019-2020 to study the reasons for the drying out of the stems of black currant (Ribes nigrum L.), red currant (Ribes rubrum L.) and golden currant (Ribes aureum L.). As a result of research, the fungus Sphaeropsis malorum Peck. in the first in Russia it was revealed from the drying stems of three types of black currants, red currants and golden currants. This pathogen inhabited currant stems together with fungi from the genus Cytospora spp., causative agents of stem drying. On red currants, it was established that S. malorum was the main causative agent of branch drying, as indicated by the high frequency of occurrence (75.0-83.3 %) of this fungus on the affected stems, compared with species from the genus Cytospora spp. (16.7-33.3 %) and Phomopsis ribesia (25.0 %). Due to the fact that the cultivation of currants in the immediate vicinity of apple and pear trees leads to infection of plants with the fungus S. malorum, it is necessary to avoid planting currants in the vicinity of fruit-bearing seed gardens.
About the Author
S. E. Golovin
All-Russian Horticultural Institute for Breeding, Agrotechnology and Nursery
Russian Federation
Moscow
Russian Federation
Moscow
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Review
For citations:
Golovin S.E. Fungus Spaeropsis Malorum peck. One of the currant stalk drying agents. Pomiculture and small fruits culture in Russia. 2020;62:172-178. (In Russ.) https://doi.org/10.31676/2073-4948-2020-62-172-178
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