Reproductive development of 38-year-old siberian cedar pine semis in the arboretum of Reshetnev University
https://doi.org/10.53374/1993-0135-2025-2-40-45
Abstract
The data on the reproductive development of Siberian pine (Pinus sibirica Du Tour) trees of 38-yearold biological age, which are seed progeny (semi-sibs) of plus trees certified in the Kolyvansky forestry of Novosibirsk Oblast and in the Slyudyansky forestry of the Irkutsk Oblast, are presented. Semi- sibs are planted in the arboretum of Siberian State University on the site “Geoschool continuation”. The aim of the study was to establish the variability of seed bearing for Siberian pine trees and to identify specimens with increased reproductive capacity in 2024. The number of cones, macro- and microstrobiles in trees was determined. It has been established that depending on the progeny of plus trees, their variability in the formation of macro- and microstrobiles, cones is manifested. 21–40 cones were formed in 16 % of trees, 51–60 were formed in 3 %. Specimens with a large number of cones and high pollen productivity have been identified, which are recommended for further vegetative reproduction and the creation of productive forest seed plantations.
Supporting agencies: The study was carried out by the staff of the scientific laboratory “Breeding of woody plants” within the framework of the state assignment No. FEFE-2024-0013 commissioned by the Ministry of Science and Higher Education of the Russian Federation on the topic “Breeding and genetic foundations for the formation of target plantations and the rational use of wood resources in Krasnoyarsk Krai (Yenisei Siberia)”.
About the Authors
R. N. Matveeva
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037
O. F. Butorova
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037
N. A. Shenmayer
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037
A. S. Korostelev
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:
Matveeva R.N., Butorova O.F., Shenmayer N.A., Korostelev A.S. Reproductive development of 38-year-old siberian cedar pine semis in the arboretum of Reshetnev University. Conifers of the boreal area. 2025;43(2):40-45. (In Russ.) https://doi.org/10.53374/1993-0135-2025-2-40-45
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