Growing of one-year-old seedlings of Pinus sibirica du tour with open and closed root system
https://doi.org/10.53374/1993-0135-2024-3-41-50
Abstract
The indicators of annual seedlings of Siberian pine depending on the method of their cultivation (with open and closed root system on substrates of different composition) were compared. The intraspecific variability of seedlings was revealed in the number and shape of seedling cotyledons and the length of primary needles. The influence of shape on the biometric parameters of seedlings has been established. The above-ground part of seedlings grown using different technologies: with an open root system and a closed one does not have significant differences in biometric indicators by the end of the first growing season. However, seedlings with open root system form a longer root and are distinguished by a greater phytomass of aboveground and underground parts. It was revealed that the composition of the substrate influences the formation of phytomass of seedlings with closed root system. The seedlings were distinguished by their large size and weight of the root system on substrates based on coconut fiber. The weight of the aboveground part of the seedlings prevailed in the variants grown on substrates based on peat.
The data obtained during the research indicate their relevance and the need to continue experiments to select the optimal technology for growing Siberian pine seedlings for the harmonious development of their above-ground and underground parts.
About the Authors
D. A. Konovalova
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037
N. P. Bratilova
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037
A. V. Mantulina
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037
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Review
For citations:
Konovalova D.A., Bratilova N.P., Mantulina A.V. Growing of one-year-old seedlings of Pinus sibirica du tour with open and closed root system. Conifers of the boreal area. 2024;42(3):41-50. (In Russ.) https://doi.org/10.53374/1993-0135-2024-3-41-50
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