Fenetic Analysis Features of Populations of Siberian Pine on Seed Scale Form

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58.087:630*165.1

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Abstract

Siberian stone pine (Pinus sibirica Du Tour) is grown beyond its range owing to nut-bearing. Source of obtaining seeds in such regions can serve cedar forests, created previously and entered in season of fruiting. Genetic potential of such plants is determined by their degree of intraspecific diversity, according individual variability. Character of cones apophysis of Siberian stone pine is diagnostically important indicator, determinating potential productivity of nut, and can be used during the breeding of species on commodity features of crop. However its application to the phenetics analysis is complicated by collecting cones from accounting or modeling trees and the lack of recommendations for the selection of samples from them. Investigations were carried out to determine the method of samples selection of cones for evaluation of intraspecific diversity. Fallen cones were collected without separation at discount trees (hindered in the field) in the area of ??introduction (Chagrinskaya Grove, Griazovets district in the Vologda region) and range of species (Poluyanovsky cedar forest, Vagai district in the Tyumen region). In Chagrinskaya grove were also selected samples of the trees separately and were compared with previous results . Polymorphism was judged by frequency of occurrence of different types of cones with apophysis. Comparative analysis of both sampling methods revealed no statistically significant differences between the results of conducted studies. Thus, in the lean years, or when not possible to determine the identity of fallen cones to a particular tree can be recommended the total picking of all cones from the sampling area, allowing authentically to characterize the phenetics structure of the population. Using this method, also experimentally has been proven high level of genetic potential of the species in the introduction planting.

Authors

N.A. Babich1, Doctor of Agriculture, Professor, R.S. Khamitov2, Candidate of Agriculture, Associate Professor, S.M. Khamitova2, Candidate of Agriculture, Associate Professor, V.N. Vorob'ev 2, Postgraduate Student

Affiliation

1Northern (Arctic) Federal University named after M.V. Lomonosov, 2Vologda State Dairy Farming Academy named after V.N. Vereshchagin ::: 1 Naberezhnaya Severnoy Dviny, 17, Arkhangelsk, 163002, Russia; e-mail: les@agtu.ru 2 Shmidta, 2, vil. Molochnoe, Vologda, 160555, Russia; e-mail: r.s.khamitov@mail.ru

Keywords

Siberian cedar, polymorphism, phenetics analysis, genetic potential, introduction.

References

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