For citations:
Tankevich V.V., Sotnik A.I., Chakalov T.S. Biometric and physiological characteristics and productivity of pear trees for different cultivar-rootstock combinations. Bulletin of the State Nikitsky Botanical Gardens. 2019;(131):70-74. (In Russ.) https://doi.org/10.25684/NBG.boolt.131.2019.08