FEATURES OF MEIOSIS SIBERIAN SPRUCE (PICEA OBOVATA LEDEB.) IN THE CENTRAL SIBERIA
Meiosis at microsporogenesis of Siberian spruce (Picea obovata Ledeb.) trees was investigated in the Middle Siberia forest ecosystems. Meiosis peculiarities and abnormalities were registered. Male reproductive structures ontogenesis characteristics show high extent of Siberian spruce adaptation to sharply continental climate of Siberia.