A. S. Stupin
Ryazan State Agrotechnological University named after P.A. Kostychev
Russian Federation

Alexander Sergeevich Stupin, Candidate of Agricultural Sciences, Associate Professor of the Department of Breeding, Seed Production and Agrochemistry

1 Kostychev Str., Ryazan, 390044

V. I. Levin
Ryazan State Agrotechnological University named after P.A. Kostychev
Russian Federation

Viktor Ivanovich Levin, Doctor of Agricultural Sciences, Professor of the Department of Breeding, Seed Production and Agrochemistry

1 Kostychev Str., Ryazan, 390044

L. A. Antipkina
Ryazan State Agrotechnological University named after P.A. Kostychev
Russian Federation

Lyudmila Anatolyevna Antipkina, Candidate of Agricultural Sciences, Associate Professor of the Department of Forestry and Horticulture

1 Kostychev Str., Ryazan, 390044