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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Makrickiene, Ekaterina;Danusevičius, Darius;Brazaitis, Gediminas;Manton, Michael
Title: Morphological and genetic differentiation of wolf trees in Scots pine stands based on chloroplast microsatellite markers
Is part of: European Journal of Forest Research. New York : Springer, 2019, Vol. 138, iss. 3
Extent: p. 527-537
Date: 2019
Keywords: cpSSR;Gene flow;Genetic diversity;Competition;Pinus sylvestris;Silviculture
Abstract: Genetic variation provides the foundation for species to survive, reproduce and evolve. Wolf trees are an example that may have a difference genetic background; however, research on the genetics of Scots pine (Pinus sylvestris L.) wolf trees is limited. The objectives were to assess (1) the morphological and genetic differentiation of wolf tree morphotypes in artificially established young commercial Scots pine stands using chloroplast microsatellite (cpSSR) DNA markers; and (2) the genetic differentiation based on progeny testing of mature wolf tree and regular tree morphotypes found in natural Scots pine stands. Our material consisted of (a) a 20-year-old artificially established stand in central Lithuania, where we morphotyped all trees and genotyped 59 wolf trees and 50 control trees at 6 cpSSR loci, (b) a nursery test where we assessed the morphology of 2-year-old open pollinated progeny of 8 wolf trees (20 seedlings per tree) in comparison with a control selected in a mature stand in northwestern Lithuania. Results showed a significant genetic differentiation between wolf trees and regular trees in young plantations based on the cpSSR DNA markers. Wolf trees had a higher genetic diversity at the cpSSR loci compared to the regular trees in the young plantations. The progeny test showed wolf trees contained more lateral shoots and possessed larger crown at age 2 in the nursery test. Our study suggests that there is a genetic background for the morphological differentiation between wolf trees and regular commercial Scots pine trees. However, the morphotype structure of wolf trees is complex, thus requiring future replicated studies spread across different regions and age classes
Affiliation(s): Lietuvos agrarinių ir miškų mokslų centras Miškų institutas
Miškų ir ekologijos fakultetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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