V. V. Usenya
Institute of Forest of the National Academy of Sciences of Belarus
Belarus

Vladimir V. Usenya – Academician, D. Sc. (Agricult.), Professor, Deputy director

71, Proletarskaya Str., 246001, Gomel

V. G. Shatravko
Central Botanical Garden of the National Academy of Sciences of Belarus
Belarus

Valentin G. Shatravko – Ph. D. (Agricult.), Director

2v, Surganov Str., 220012, Minsk

N. S. Blinova
Institute of Forest of the National Academy of Sciences of Belarus
Belarus

Nataľya S. Blinova – Researcher

71, Proletarskaya Str., 246001, Gomel

G. M. Pomaz
Institute of Forest of the National Academy of Sciences of Belarus
Belarus

Galina M. Pomaz – Researcher

71, Proletarskaya Str., 246001, Gomel