Abstract
An assessment of the efficacy of preparations (Kornevin, SP; Albit, TPS; Epin-extra) in the production of planting material of Northern white cedar by vegetative propagation with wood cuttings under the conditions of the Central Black Earth Region of the Russian Federation is given on the example of the Orel region. All the studied preparations had a significant effect on the rooting process of cuttings. The obtained and analyzed data of phenological observations showed that the greatest effect on the acceleration of the onset of the of root formation phase had preparation “Albit, TPS”, 3-4 weeks earlier than the control. The number of formed cuttings and their length were also mainly influenced by “Albit, TPS”, which increased the average number of roots by 3 pcs., and their average length by 44 mm, in comparison with the control. The effect of the use of the biostimulator “Albit, TPS” had a significant influence on the number of established cuttings, providing 20 rooted cuttings or 28% more than in the control.
Highlights
A sharp change in climate over the last period of time, environmental disasters - the death of the Aral Sea, the climax state of the Volga, the Kuban, the Ural river and other rivers, caused aridization and salinization of a significant territory of the middle region of the Eurasian continent, which led to the suppression and death of many species of aboriginal phytocenoses
These plants can be of great benefit in the formation of species diversity, rich in useful and biologically active substances in the diet of the population, and satisfy recreational human needs, the production of planting material for such plants is of great economic importance
The observation over the phenology of the root development of Northern white cedar cuttings showed that the studied groups entered the phase of root formation at different times, which indicates the influence of the applied biostimulators on this process
Summary
A sharp change in climate over the last period of time, environmental disasters - the death of the Aral Sea, the climax state of the Volga, the Kuban, the Ural river and other rivers, caused aridization and salinization of a significant territory of the middle region of the Eurasian continent, which led to the suppression and death of many species of aboriginal phytocenoses For this reason it is necessary to replace the disappeared native plants with resistant and highly productive wild and cultural introduced species quickly. These plants can be of great benefit in the formation of species diversity, rich in useful and biologically active substances in the diet of the population, and satisfy recreational human needs, the production of planting material for such plants is of great economic importance. This result confirms that the impact of biodiversity on natural ecosystems may be much greater than it is currently believed” [1]
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