For citations:

Orlova S.Yu., Pavlov A.V., Verzhuk V.G. Viability of pollen in sweet cherry (Cerasus avium) varieties of different ecogeographic origin in the Northwestern region of Russia. Proceedings on applied botany, genetics and breeding. 2019;180(1):66-72. (In Russ.) https://doi.org/10.30901/2227-8834-2019-1-66-72