The paper summarizes the results of a long-term introduction study of plants of golden boletus in the collection of medicinal plants of the Botanical Garden of the Institute of Biology of the Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences. The primary introduction of the species into new growing conditions became possible only by transferring living plants to cultivation from the places of natural growth of the Tomsk Region, followed by propagation of plants from seeds of their own reproductions. The optimal methods of seed propagation of this species in the conditions of the North were revealed: winter sowing with freshly harvested seeds and self-sowing of seeds with further transplantation of emerging seedlings to a new plot with a feeding area of 30 30 cm golden is distinguished by high survival rate, winter hardiness and stability in the coenosis. The mass transition of plants into the generative period occurred in the second third year of life. The phenology and dynamics of plant growth have been studied. The rhythm of the seasonal development of plants in. golden in culture in the North corresponds to the new soil and climatic conditions of cultivation. The growing season is 96100 days. Golden boletus regularly forms full-fledged seeds, which, after undergoing natural stratification under snow cover, germinate in the spring and give a large self-sowing. Real seed productivity (the number of mature full-fledged seeds) in plants c. golden of different ages varies over the years from 420 to 570 seeds per shoot. The morphobiological signs of the generative shoot were studied in culture and the amplitude of their variability was determined. High and very high levels of individual variability of signs of the floral zone of the shoot indicate the possibility of targeted selection of more productive individuals within the population. For the first time, data on the content of proteins and its amino acid composition in plants are presented. The mass fraction of nitrogen (in terms of crude protein) in the aboveground phytomass was 1,51,8%. In proteins from aboveground phytomass, 17 amino acids were identified, including 7 essential ones (threonine, valine, methionine, isoleucine, leucine, phenylalanine, lysine). The proportion of essential amino acids averaged 39% of the total. The highest rates were noted for amino acids: glutamic, aspartic, leucine, lysine, alanine and valine 13,1, 10,7, 9,2, 8,1, 6,7 and 6,2% respectively.
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