TY JOUR TI Reaction of flax seeds and explants to osmotic stress KW flax (Linum usitatissimum L.) KW sucrose KW mannitol KW drought resistance KW seeds KW hypocotyl segments KW immature embryos JO Agrarian Bulletin of the AU Vinogradova, E.G. PY 2021 IS 205 PB Ural State Agrarian University