Repin E.N.
Успехи современного естествознания 2018; (10): 68-72
Researches of the water Pinus koraiensis mode in geographical cultures were conducted. The site is located near a tree nursery of the Gornotayezhnaya station. The cedar grows in ordinary landings in identical conditions here. In total on the site of 10 climatype from different areas of Khabarovsk Territory. Work purpose: to compare parameters of the water mode of these climatypes. Such parameters of the water relationships as intensity of a transpiration and water content in needles were studied. At the same time humidity of a high layer of earth, temperature and air humidity and wind speed were fixed. Differences in the size of parameters of the water relationships between separate climatypes and between plants of one climatype during the different periods of the period of researches are were found. The greatest differences between climatypes are observed in the first half of summer (June-July). In August – September these distinctions become minimum. The direct dependence between the size of speed of a transpiration and water content is not found in needles. Thus, maintaining of water balance depends not only on transpiration size from a needles surface. It is necessary to conduct padding researches for more total characteristic of the water balance and determination of distinctions of adaptation of plants to growth conditions. Among plants of a cedar of the Khabarovsk climatypes there are no plants with pronounced tendency to high or low adaptation to conditions of Primorsky Krai.
