Avksentieva, O. and Batueva, E. 2020. The effect of red light (660 nm) on proliferative activity and growth reactions in seedlings of plants with contrast photoperiodic reaction. The Journal of V.N.Karazin Kharkiv National University. Series «Biology». 34, 34 (Jul. 2020), 151-162. DOI:https://doi.org/10.26565/2075-5457-2020-34-16.