Biochemical variability of populations of different ages and trees of Scots pine of different growth categories
https://doi.org/10.36305/0513-1634-2022-144-122-131
Abstract
The variability of biochemical parameters (flavanoids, proanthocyanidins, protein) in the needles and bast of oppressed, subordinate, codominant, dominant in height and diameter of Scots pine trees growing in six forest-steppe populations of different age and origin was studied. The results of the degree of their regulation within the population and growth groups are presented. The dependence of the accumulation of secondary metabolism substances on the age of the population, the growth category of trees and the tier (upper / lower) of the crown was revealed. It is shown that the codominant and dominant groups of plants have a lower level of flavanoid synthesis. Significant differences in the content of proanthocyanidins in the coniferous shoots of the lower and upper tiers of the crown of dominant and oppressed tree groups were determined. The general patterns of the revealed biochemical differences are characterized. The causes of age-related variability, dynamics within the crown, and their correlation with the energy and epigenetic components of the genome are discussed.
About the Authors
N. F. Kuznetsova
ФГБУ «Всероссийский научно-исследовательский институт лесной генетики, селекции и биотехнологии»
Russian Federation
Russian Federation
L. V. Polyakova
ФГБУ «Всероссийский научно-исследовательский институт лесной генетики, селекции и биотехнологии»
Russian Federation
Russian Federation
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Review
For citations:
Kuznetsova N.F., Polyakova L.V. Biochemical variability of populations of different ages and trees of Scots pine of different growth categories. Bulletin of the State Nikitsky Botanical Gardens. 2022;(144):122-131. (In Russ.) https://doi.org/10.36305/0513-1634-2022-144-122-131
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