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    Wyświetlanie 1-3 z 3
    Tytuł:
    Zróżnicowanie genetyczne czereśni ptasiej (Prunus avium L.) w Polsce
    Genetic diversity of wild cherry (Prunus avium L.) in Poland
    Autorzy:
    Szyp-Borowska, I.
    Zawadzka, A.
    Zajaczkowski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/972788.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    czeresnia ptasia
    Prunus avium
    zroznicowanie genetyczne
    metody badan
    metoda RFLP
    markery mikrosatelitarne
    wild populations
    cpDNA and SSR diversity
    Prunus avium L.
    Opis:
    The purpose of our study was to estimate genetic diversity of Prunus avium in natural populations. Genetic studies were carried out in 27 wild cherry populations sampled from several Polish tree stands. Chloroplast DNA variation was assessed and two haplotypes were identified. Theirs distribution divided populations into two groups. Haplotype H1 was present in 11 of 27 populations and H2 in 16 populations. The PCR− −SSR technique was used to detect nuclear DNA diversity. Three highly polymorphic SSR (microsatellite) primer pairs were used to describe the genetic variation. Heterozygosity values ranged from 0.500 to 0.633, while gene diversity (PIC) from 0.75 to 0.79. This study demonstrated that SSR fingerprinting with cpDNA diversity, can be used for preliminary characterization of Prunus avium populations.
    Źródło:
    Sylwan; 2012, 156, 07; 502-510
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pochodzenie drzewostanów świerkowych (Picea abies L. Karst.) z Puszczy Białowieskiej na tle regionu RDLP Białystok na podstawie analiz mitochondrialnego DNA
    Origin of the Norway spruce (Picea abies L. Karst.) stands from Bialowieza Forest at the level of Bialystok Regional Directorate of the State Forests based on mitochondrial DNA analysis
    Autorzy:
    Nowakowska, J.A.
    Łukaszewicz, J.
    Borys, M.
    Tereba, A.
    Konecka, A.
    Zawadzka, A.
    Sułkowska, M.
    Zajączkowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/987121.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Puszcza Bialowieska
    drzewostany swierkowe
    drzewa lesne
    swierk pospolity
    Picea abies
    markery genetyczne
    DNA mitochondrialny
    pochodzenie roslin
    zmiennosc genetyczna
    RDLP Bialystok
    genetic diversity
    mitochondrial dna marker
    postglacial migration routes
    białowieża forest
    Opis:
    Considered to be the most natural of all other Polish stands Picea abies in Białowieża Forest has suffered severely of bark beetle damages for decades. In order to find out some historical events in native Norway spruce stands diversity at regional level, we carried out the study on poly− morphism with DNA markers and performed Principal Coordinate Analysis (PCoA) on the basis of genetic distance matrix. Two ranges (i.e. Baltico−Nordic and Hercyno−Carpathian) of Norway spruce cover north−eastern and southern Poland, respectively. The spruceless zone separates the these two ranges in lowland Poland. From genetic point of view, the Baltico−Nordic P. abies populations mainly harbor mitochondrial haplotype ‘c', whereas the spruces from the Hercyno− −Carpathian range – haplotype ‘a'. Until recently, the Białowieża Forest has been considered to belong to the northern range of spruce occurrence in Europe. Seven populations from Biało− wieża Forest were studied (two of them from the Strict Reserve in Białowieski National Park) according to mitochondrial DNA diversity, and compared with genetic diversity found in 24 other populations located in Białystok Regional Directorate of the State Forests (north−eastern Poland). All studied spruce populations were more than 100 years old and were of natural origin. As result, the spruces from the Białowieża Forest harbored three mitochondrial haplotypes of the nad1 gene (‘c', ‘a' and ‘a1'), with the haplotype ‘a' being more frequently present (>51%) than the hap− lotype ‘c'. The spruce stands from Białowieża Forest have the highest gene diversity (h Nei=0.527) comparing to the other stands from the Białystok RDSF. The PCoA proved the particularity of the spruces from Białowieża Forest grouping them into one cluster of genetic similarity. Our data demonstrated that most of Norway spruces populations from Białystok RDSF harbor haplotype ‘c', which confirms their historical relationship with the Baltico−Nordic range of P. abies in Europe, while most spruces from Białowieża Forest have different historic origin, because they share high frequency of the southern haplotype ‘a'. It also turned out that Norway spruce pop− ulations from two different European ranges met in lowland Poland after the last glacial period, as proved by the presence of two mitochondrial haplotypes ‘a' and ‘c'. It can be assumed, that the spruceless zone was created by human activity in the past millennia. The results of all molecular analyses confirmed the unique character of spruces of Białowieża Forest, which is distinguished by the greater richness of the gene pool in comparison to the region of Białystok RDSF as well as good adaptation to local environmental conditions.
    Źródło:
    Sylwan; 2017, 161, 01; 40-51
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zagrożone gatunki drzew Białowieskiego Parku Narodowego (Rezerwat Ścisły)
    Threatened tree species of the Bialowieza National Park (the Strict Reserve)
    Autorzy:
    Brzeziecki, B.
    Keczyński, A.
    Zajączkowski, J.
    Drozdowski, S.
    Gawron, L.
    Buraczyk, W.
    Bielak, K.
    Szeligowski, H.
    Dzwonkowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1007075.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    hodowla lasu
    Bialowieski Park Narodowy
    rezerwaty scisle
    Obreb Ochronny Orlowka
    stale powierzchnie obserwacyjne
    sklad gatunkowy
    drzewa lesne
    grab
    lipa
    swierk
    olsza
    brzoza
    dab
    sosna
    jesion
    klon
    wiaz
    topola osika
    zageszczenie populacji
    liczebnosc
    struktura grubosci
    gatunki dominujace
    gatunki zagrozone
    diameter distribution
    dynamic status
    large−scale inventory
    long−term trend
    natural forest
    permanent plot
    population density
    population dynamics
    strict protection
    Opis:
    An assessment of the current dynamic status of tree species occurring in the Strict Reserve of the Białowieża National Park is presented. On the basis of long−term trends and analysis of large−scale inventory data, the three major groups of trees are distinguished: 1) ‘safe’ group, containing hornbeam and lime, 2) ‘presently safe, but declining in a long−term run’ group, involving spruce, birch and alder, and 3) ‘threatened and highly threatened’ group, consisting of oak, pine, ash, maple, elm and aspen.
    Źródło:
    Sylwan; 2012, 156, 04; 252-261
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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