THE STIMULATING PROPERTIES OF SPRUCE WOOD GREENERY EXTRACT OBTAINED IN ACCORDANCE WITH THE PRINCIPLES OF "GREEN TECHNOLOGY"
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Abstract
The article is devoted to the study of the composition and biological activity of an extract obtained from spruce wood greenery using an environmentally safe "green technology" method of extraction with an aqueous-alkaline solution. The content of neutral compounds (sesquiterpenoids, diterpenoids, polyprenols, and sitosterols) and acidic components (fatty and phenolic acids) in the extract was determined.
The biological activity of spruce extract as a growth stimulant when growing planting material of Pinus sylvestris seedlings in forest nurseries of the Ural region was assessed. Soaking pine seeds in an aqueous solution of the spruce extract is performed for 6 hours at room temperature. The stimulating effect of the extract is shown when growing pine seedlings in forest nurseries, with different granulometric and agrochemical compositions of the soil. An increase in the growth parameters and phytomass of seedlings was established when growing on medium-loamy soil and light loam.
The use of a biostimulant made of wood greenery for growing seedlings will reduce the chemical load on the arable soil of forest agrocenosis and will significantly contribute to the development and application of "green" technologies in forestry.
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