Evaluation of 37-year-old siblings of plus trees of Pinus sibirica Du Tour by the formation of microstrobiles
https://doi.org/10.53374/1993-0135-2024-1-27-30
Abstract
Pinus sibirica Du Tour is one of the main forest-forming species in our country. The object of the study was the halfsiblings of Pinus sibirica Du Tour growing in the arboretum located on the territory of the Precinct Forestry “Karaulnoe” of the Educational and Experimental Forestry of the Reshetnev Siberian State University of Science and Technology. The variability of half-siblings of plus trees certified in the Orsko-Simansk forestry of the Kolyvan Forestry of the Novosibirsk region was compared. Data on mother trees are given from passports compiled during their certification in 1977. Cones from these trees were harvested in the fall of 1986. Sowing was carried out in the spring of 1987. Planting on a permanent place was in 2000. The number of shoots with microstrobiles on the tree was determined visually using binoculars. The data was processed mathematically. The maximum number of microstrobiles was noted on the half-siblings of the plus trees 110/74 and 92/56. There is a high level of variability in the number of microstrobiles on individual half-siblings, which made it possible to select individuals for further reproduction: 84-12, 84-9, 79-8, 79-10.
About the Authors
Iu. E. Shcherba
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:
Shcherba I.E., Shenmayer N.A., Korostelev A.S. Evaluation of 37-year-old siblings of plus trees of Pinus sibirica Du Tour by the formation of microstrobiles. Conifers of the boreal area. 2024;42(1):27-30. (In Russ.) https://doi.org/10.53374/1993-0135-2024-1-27-30
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