NATURAL STIMULANT FOR LONG-TERM CONIFEROUS SEEDS

Volume 8, Issue 3, June 2023     |     PP. 54-62      |     PDF (1261 K)    |     Pub. Date: December 26, 2023
DOI: 10.54647/chemistry150336    44 Downloads     76153 Views  

Author(s)

S.V. Soboleva, Reshetnev Siberian state University of Science and Technology 31, Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037, Russian Federation
O.A. Еsyakova, Reshetnev Siberian state University of Science and Technology 31, Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037, Russian Federation
S.V. Ushanov, Reshetnev Siberian state University of Science and Technology 31, Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037, Russian Federation
V.M. Voronin, Reshetnev Siberian state University of Science and Technology 31, Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037, Russian Federation

Abstract
The paper considers the possibility of using aqueous extracts of conifers to increase the germination of seeds of Scots pine for long-term storage. It was found out that in the woody greens of conifers there are substances with provitamin and growth-stimulating activity, namely carotenoids (0.14 g/l) and phenolic compounds (2.50 g/l). Pine tree greens selected in the Mansky district of the Krasnoyarsk Territory were used as raw materials. Extracts were prepared from pine tree greens as follows: dried and crushed tree greens were extracted with tert-butylmethyl ether. The extract was treated with an aqueous solution of an alkaline agent, then an aqueous-alkaline solution was separated. Distilled water was used as a control. For the experiment, seeds of ordinary pine harvested in 2017, 2018, 2019, 2020 and 2021, provided by the Krasnoyarsk forest seed station, were used. The characteristics of the seeds comply with GOST 14161-86. The seeds were germinated in Petri dishes, filter paper was used as a litter. The seedlings were counted on the 15th day. Per 100 pcs. the following concentrations of the extract of an aqueous solution were taken from the seeds, ml of extract per 1 liter: 0.25:1; 0.5:1; 0,10:1; 0,05:1; 0,025:1. With increasing shelf life, seed germination decreases. The highest seed germination is observed when using an extract with a concentration of extractives (0.05:1) and seeds of the 2021 harvest year. The results of the research can be recommended to increase the germination of long-term storage pine seeds.

Keywords
growth-stimulating activity, aqueous extracts of conifers, Рinus sylvestrisL

Cite this paper
S.V. Soboleva, O.A. Еsyakova, S.V. Ushanov, V.M. Voronin, NATURAL STIMULANT FOR LONG-TERM CONIFEROUS SEEDS , SCIREA Journal of Chemistry. Volume 8, Issue 3, June 2023 | PP. 54-62. 10.54647/chemistry150336

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