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Type of publication: Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Jurkšienė, Girmantė;Baliuckas, Virgilijus
Title: Leaf morphological variation of sessile oak (Quercus petraea, (Matt.) Liebl.) and pedunculate oak (Quercus robur, L.) in Lithuania
Is part of: Research for rural development 2014 : annual 20th international scientific conference proceedings, May 21-23, 2014, Latvia University of Agriculture. Jelgava : Latvia University of Agriculture, 2014, vol. 2
Extent: p. 63-69
Date: 2014
Keywords: Quercus robur;Quercus petraea;Leaf morphology;Interspecific hybridization
Abstract: Leaf morphology was assessed in Pajiesys and Seirijai field trials of oaks. Oaks in these trials are the progenies of oak trees (Quercus genus) that grow in the Trakas forest of Seirijai district of Alytus forest enterprise of Lithuania. The aim of the study was to determine the number of hybrid trees between the progenies of the Trakas forest in Pajiesys and Seirijai field trials. 251 oaks belonging to 40 half-sib families were sampled. Twenty three leaf morphological variables were measured on each of 5 leaves collected from each tree and analysed by principal component analysis (PCA) and discriminant analysis (DA). The study concluded that Q. robur and Q. petraea leaves are most clearly identified by six morphological traits. Discriminant function of two traits for oak species separation was proposed. The study has also revealed a high degree of interspecific hybridization in field trials. Study results were compared with earlier reports about hybridization occurring in mixed oak stands in other parts of Europe
Affiliation(s): Lietuvos agrarinių ir miškų mokslų centro filialas Miškų institutas
Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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