The woods of Far East are vast. More than 76 % of their area is occupied by coniferous tree species: cedar Korean (Pinus koraiensis Sieb. et Zucc.), larch Amur (Larix amurensis B. Kolesn.), fir (white barked) (Abies nephrolepis Maxim.), Scotch pine (Pinus sylvestris L.). One of the most studied coniferous species involved in the selection in the world is Pinus sylvestris. High economic value, bio-logical and ecological features demand protection and carrying out active actions for its reproduction. However, seed years in pine forests of the region are observed in three-four years. At such period of storage seeds reduce the energy of germination and viability. The application of growth factors can increase seeds sowing qualities. The purpose of the researches was studying the stimulating effect of water solutions of growth factor "Epin-Extra" and identification of the doses stimulating energy of germination and laboratory viability of the seeds, the increase of sprouts in length and mass of Pinus sylvestris. The identification of stimulating effect of growth factor "Epin-Extra" on sowing qualities of seeds was carried out in vitro, according to existing State Standard Specifications. The experiments were carried out in 7 options (the concentrations of solutions of preparation and water were 1×10-3, 1×2×10-3, 1×3×10-3, 1×4×10-3, 1×5×10-3, 1×6×10-3 ml/l and control, i.e. the seeds wetted in distilled water. It was found out that the concentrations of solu-tions 1×3×10-3-1×5×10-3 at which energy of germina-tion made 69-71 %, and laboratory viability - 81-83 % were most effective. The growth of seed-lings in the length and weight was the most effec-tive at the concentration of solution 1×5×10-3.
growth factor, germination energy, laboratory viability, the length and mass of a sprout
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