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Wyszukujesz frazę "Boratyński, J." wg kryterium: Autor

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Genetic differences between two Polish populations of Pinus uliginosa, compared to P. sylvestris and P. mugo
    Autorzy:
    Lewandowski, A
    Samocko, J.
    Boratynska, K.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41457.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    pine
    genetic distance
    Pinus sylvestris
    Pinaceae
    electrophoresis
    peat bog pine
    allozyme
    Pinus uliginosa
    Pinus mugo
    genetic differentiation
    Opis:
    Genetic differences between two populations of P. uliginosa from Batorów and Węgliniec were assessed on the basis of 15 allozyme loci. The level of genetic differentiation between them was also compared with genetic differences among the three closely related pine taxa: P. uliginosa, P. sylvestris and P. mugo. A high level of genetic variation was found in both populations of P. uliginosa. The average (Na) and effective (Ne) numbers of alleles per locus amounted respectively to 2.47 and 1.50 in Węgliniec and to 2.67 and 1.52 in Batorów and the percentage of polymorphic loci was 80% and 87%, respectively. Close relationship between the three studied species were confirmed. The genetic differences between the two populations of P. uliginosa were substantial, as the Nei's genetic distance between the two populations (D = 0.040) was larger than between populations of P. sylvestris and between populations of P. mugo. The relatively high level of genetic differentiation between P. uliginosa populations may result from their isolation, small size and possibly different origin of these populations.
    Źródło:
    Dendrobiology; 2002, 48
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geographic patterns of genetic diversity of Pinus mugo (Pinaceae) in Central European mountains
    Autorzy:
    Dzialuk, A.
    Boratynski, A.
    Boratynska, K.
    Burczyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/41575.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    geographic pattern
    genetic diversity
    Pinus mugo
    Pinaceae
    Alps Mountains
    Carpathians Mountains
    dwarf mountain pine
    phylogeography
    chloroplast
    microsatellite
    Giant Mountains
    geographic distribution
    Opis:
    The genetic diversity within and among twelve populations (379 individuals) of Pinus mugo from the Giant Mts., Carpathians and Alps was analyzed using ten chloroplast microsatellite markers. A stepwise mutation model (SMM) for microsatellite loci was used in order to estimate divergence between populations and provenances from three mountain ranges. High levels of genetic diversity and significant differentiation were found among the three population groups. The populations from Giant Mts., Carpathians and Alps were strongly differentiated between each other, while differences among populations within these massifs were much lower. The pattern of genetic structure observedin dwarf mountain pine can be characteristic in conifers with a disjunctive geographic distribution. The significant genetic structuring among isolated parts of the geographic range of the species may be a result of an ancient fragmentation andlong lasting geographic isolation between the Giant Mts., Alpine and Tatra populations of P. mugo.
    Źródło:
    Dendrobiology; 2012, 68
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic evaluation of seeds of highly endangered Pinus uliginosa Neumann from Wegliniec Reserve for ex-situ conservation program
    Autorzy:
    Lewandowski, A
    Burczyk, J.
    Wachowiak, W.
    Boratynski, A.
    Prus-Glowacki, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/57105.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    mating system
    conservation
    hybridization
    Wegliniec Reserve
    peat bog pine
    Pinus uliginosa
    conservation programme
    genetic variation
    Opis:
    Peat-bog pine Pinus uliginosa Neumann has become extinct or rare in many parts of Europe. We have investigated the levels of genetic variation and inbreeding in seeds collected from a highly endangered reserve of this species in Poland, using allozymes as genetic markers. Generally, a high level of genetic variation was observed. The mean expected heterozygosity was 0.376, while average (Na) and effective (Ne) numbers of alleles per locus were 2.45 and 1.67, respectively. Nevertheless, we have detected relatively low levels of outcrossing, and potential biparental inbreeding. The population-wide multilocus outcrossing rate was estimated to be 0.706 (±0.091), while the minimum variance mean of single-locus estimates was distinctly lower (ts=0.611). The estimates of outcrossing calculated for individual trees ranged widely from 0.051 to 1.017, indicating the complexity of outcrossing patterns. The investigated population of P. uliginasa from Węgliniec is small and surrounded by extensive forest stands of P. sylvestris. Our three-year records of phenological observations demonstrated that flowering periods for P. uliginosa and P. sylvestris overlap, allowing for cross-pollination. The possibility of P. uliginosa pollination by P. sylvestris creates a potential danger of genetic erosion of the P. uliginosa gene pool. Nonetheless, based on a species specific cpDNA marker we have found that among 533 seedlings of P. uliginosa there were only six seedlings carrying cpDNA marker specific for P. sylvestris, indicating that such hybridization seems to be rare.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Taxonomic position of Pinus ceciliae (Pinaceae) endemic for Balearic Islands as revealed on needle characteristics
    Autorzy:
    Boratynska, K.
    Tomaszewski, D.
    Montserrat, J.M.
    Marek, S.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2077667.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    biometry
    discrimination analysis
    Pinus halepensis
    Principal Component Analysis
    Opis:
    The Cecilian pine (Pinus ceciliae) is endemic to Balearic islands (Spain). It is a small taxon, some- times treated as synonym of Aleppo pine (P. halepensis), to which is closely related, differing mainly with dense crown shape and upright branches. The other characteristics, which differ between P. ceciliae and P. halepensis concern the cone scale and needle length only. We examined biometrically needles of Cecilian pine from Mallorca (5 tress) and Menorca (9 trees) islands, and compared them to Aleppo pine populations rep- resented by 30 trees from each island. Each tree was represented by 5 needles, and they were studied with respect to 17 morphological and anatomical characteristics. We detected that needles of the Cecilian pine were smaller, but only when compared to the Aleppo pine from the same island. In general, this difference was also observed in the number of resin canals, number of stomata and stomatal rows. Interestingly, the proportions of the needle dimensions pattern were similar in both taxa. In conclusion we stated the results support the taxonomic rank of Cecilian pine as a variety, Pinus halepensis var. ceciliae (Llorens & L.Llorens) L.Llorens, Fl. Països Catalans, 1: 197 (1984)
    Źródło:
    Dendrobiology; 2019, 82; 8-16
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Intra-specific differentiation of Juniperus phoenicea in the western Mediterranean region revealed in morphological multivariate analysis
    Autorzy:
    Mazur, M.
    Klajbor, K.
    Kielich, M.
    Sowinska, M.
    Romo, A.
    Montserrat, J.M.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41181.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Opis:
    The biometrical comparison of nine populations of Juniperus phoenicea from the western part of the species geographic range was the aim of the present study. Seven features of the cones and seeds, two of the shoots and leaves and eight proportions were studied biometrically and analysed using statistical methods. Two of analyzedpopulations, supposedto be representatives of J. phoenicea subsp. phoenicea, are closely related each other. The seven other populations representing J. phoenicea subsp. turbinata, appearedmuch more variable andd ifferedeach other at higher level. The results confirm the biochemical andgenetic differentiation of the species, however, it can partly be an effect of smaller number of comparedpopulations of subsp. phoenicea. The individuals included into each of distinguished subspecies are different and only a few individuals of subsp. turbinata from the Atlantic coast in Portugal were foundto be joinedinto the group of subsp. phoenicea. The differences between populations of subsp. turbinata are higher than between those of subsp. phoenicea. The most distant population of the subsp. turbinata, from Cabo Rizuto in Italy appears also the most different from all the other. It results probably from the isolation for a longer time.
    Źródło:
    Dendrobiology; 2010, 63
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphological variability of Juniperus phoenicea [Cupressaceae] from three distant localities on Iberian Peninsula
    Autorzy:
    Mazur, M
    Boratynska, K.
    Marcysiak, K.
    Gomez, D.
    Tomaszewski, D.
    Didukh, J.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/57298.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    variability
    cone
    juniper
    statistical analysis
    locality
    Cupressaceae
    biometry
    Iberian Peninsula
    Juniperus phoenicea
    morphological differentiation
    Opis:
    The aim of the present study was biometrical comparison of three Iberian populations of Juniperus phoenicea, represented by the subsp. turbinata and subsp. phoenicea. Eight features of the cones and seeds, two of the shoots and leaves were studied. The biometrical analysis of three distant populations of J. phoenicea shows great taxonomic distances among them. Two of them, representatives of J. phoenicea subsp. turbinata, are closer related each other than to the third, which represents J. phoenicea subsp. phoenicea. These results confirm the genetic differentiation of the taxons and also the biochemical and morphologic division of them. Nevertheless, the distances between particular populations are so great that more resemble the distances between species than between subspecies.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2003, 72, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geographic distribution of quantitative traits variation and genetic variability in natural populations of Pinus mugo in Central Europe
    Autorzy:
    Boratynska, K.
    Dzialuk, A.
    Lewandowski, A.
    Marcysiak, K.
    Jasinska, A.K.
    Sobierajska, K.
    Tomaszewski, D.
    Burczyk, J.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41495.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    geographic distribution
    quantitative trait
    variation
    genetic variability
    genetic diversity
    isoenzyme
    natural population
    Pinus mugo
    phenotypic diversity
    chloroplast
    microsatellite
    Central Europe
    Europe
    Opis:
    Divergence in genetic as well as phenotypic structures can be expected in species with disjunctive geographic ranges and restricted gene flow among isolated populations. Dwarf mountain pine has such a disjunctive geographic range in the mountains of Central Europe. We hypothesised that populations of Pinus mugo from the Giant Mts. differ from Alpine and Carpathian populations to a greater extent than differentiation within these regions; furthermore, these differences would be detectable at both the genetic and phenotypic levels. To verify this hypothesis, the diversity and differentiation within and among eleven populations from the Giant Mts., Carpathians and Alps were analysed using 19 isozyme isozyme loci, 17 needle and 15 cone morphological characters. Moreover, the data on 10 chloroplast microsatellites used in the previous study, were reanalysed. The differences between the three regions were greater than among populations within them. The microsatellites and isozymes clearly differentiated between regions, while in the multivariate analyses of cone and needle characters the Alpine and Carpathian populations were intermingled but distinct from those sampled in the Giant Mts. The significant genetic structuring among regions may result from an ancient fragmentation and long lasting geographic isolation between the Giant Mts., Alps and Tatras. The populations from the Giant Mts., the northernmost within the geographic range of P. mugo, presented lower level of genetic variation then those from the Alps and Carpathians. The pattern of genetic structure observed in dwarf mountain pine may be characteristic of wind-pollinated trees with a disjunctive geographic distribution
    Źródło:
    Dendrobiology; 2014, 72
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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