Development of large-fruited bird cherry cultivars on the basis of wild species for northern and eastern regions of Russia by V. S. Simagin, A. V. Lokteva

“…Crossing the most large-fruited hybrid cultivars ‘Pamyati Salamatova’ and ‘Cherny blesk’ with large-fruited P. padus samples from Bondarev No. 11-2-64, No. 11-2-70, No. 11-2-76, and P. virginiana samples No. 1-14-1 and No. 10-5-2, produced many hybrids with a fruit weight gain of 20–50% over the parent with the largest fruit. …”
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Chemical composition of bird cherry fruits in the Northwestern region of Russia by S. Yu. Orlova, A. A. Yushev, T. V. Shelenga

“…II; 21.23); for triterpene (ursolic, oleanolic) acids, ‘Cherny blesk’ (Gr. IV; 0.045%) and ‘Atica’ (Gr. I; 0.056).Conclusion. …”
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