Abstract
Currant is a light-loving and moisture-loving plant. Under natural conditions, it grows on moist soils along the banks of rivers and streams. In collective and private gardens, black currant takes a leading place. On average, over three years of research, a different distribution of the most harmful diseases on currant varieties was noted, which led to a decrease in yield for the Sybille variety to 5.95 t / ha, the variety was in the control group, the Venera variety - 6.09 t / ha, the average yield of the Rusalka variety - 6.76 t / ha, Slavyansk - 7.23 t / ha, Vologda - 7.79 t / ha. A high yield was obtained for the varieties Kushnarenkovskaya - 8.19 t / ha, Dachnitsa - 8.27 t / ha, Relay - 9.26 t / ha. A decrease in the yield of varieties, in addition to weather conditions, is due to different resistance to pests and diseases. Currant varieties were affected to varying degrees by American powdery mildew, anthracnose, septoria blight, goblet and columnar rusts.
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