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    Wyświetlanie 1-7 z 7
    Tytuł:
    Utility of two mitochondrial markers for identification of Picea abies refugial origin
    Autorzy:
    Litkowiec, M
    Dering, M.
    Lewandowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41333.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    coniferous plant
    tree
    Norway spruce
    Picea abies
    mtDNA
    molecular marker
    mitochondrial marker
    identification
    polymerase chain reaction
    RFLP analysis
    gene pool conservation
    forest ecosystem
    plant population
    Opis:
    Picea abies (L.) Karst is one of the most important coniferous species of Europe from both ecological and economical points of view. Traditional methods for the gene pool conservation and biodiversity maintenance in forest ecosystems have been practiced in many countries. For progress in this field using highly polymorphic genetic molecular markers is needed. Our goal was to demonstrate the utility of two polymorphic mitochondrial markers mt15-D02 and nad1 b/c in identification native Norway spruce stands. This molecular markers were tested in 1401 individuals from 59 Polish Norway spruce populations. We detected three alleles, which are called1, 2 and3, for locus mt15-D02 and two alleles , which are called1 and2, for locus nad1 b/c in our material. All five variants of alleles indicate the natural origin of P. abies. Result of this study shows that molecular marker mt15-D02 is easy to use and more informative in compare to marker nad1 b/c.
    Źródło:
    Dendrobiology; 2009, 61; 65-71
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Weryfikacja pochodzenia świerka pospolitego (Picea abies) w Nadleśnictwie Gołdap
    Verification of the origin of Norway spruce (Picea abies) stands in the Goldap Forest District
    Autorzy:
    Lewandowski, A.
    Litkowiec, M.
    Grygier, A.
    Dering, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/972766.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    region mt-D02
    lesnictwo
    Nadlesnictwo Goldap
    drzewa lesne
    swierk pospolity
    Picea abies
    drzewa mateczne
    pochodzenie roslin
    weryfikacja
    metody badan
    markery genetyczne
    DNA mitochondrialny
    origin
    mitochondrial marke
    Opis:
    The origin of the Norway spruce in the Gołdap Forest District from the north−eastern part of Poland was verified using the maternally inherited mitochondrial marker mt15−D02, which in Poland displays a geo−graphical specifity. We analyzed 730 trees from 29 populations and 21 plus trees. These populations included four reserves, four registered seed stand and 21 managed tree−stands. As a result of the performed analyses it was found that 8 out of 21 plus trees were non−native. Also 11 out of the 29 investigated pop−ulations contained trees of non−native origin. The scale of this phenomenon varies, although it encom−passes the entire region of the forest district.
    Źródło:
    Sylwan; 2012, 156, 07; 494-501
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of microsatellite markers for horse-chestnut (Aesculus hippocastanum), their polymorphism in natural Greek populations, and cross-amplification in related species
    Autorzy:
    Walas, L.
    Iszkulo, G.
    Barina, Z.
    Dering, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2078223.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Tertiary relict
    endemic species
    cross-amplification
    polymorphism
    Opis:
    New nuclear microsatellite markers (SSRs) were developed for Aesculus hippocastanum, a relict tree species from the Balkan Peninsula. The development of microsatellites was done using the Illumina MiSeq PE300 platform. Out of a set of 500 SSRs designed, a subset of 13 loci was tested using 290 individuals from seven natural populations. Twelve species-specific loci were polymorphic. The number of alleles per locus ranged from 2 to 17 and expected heterozygosity from 0.089 to 0.800 with a mean value of 0.484. The population of Kalampaka had the lowest value of allelic richness (2.63) and gene diversity in comparison to the remaining populations. STRUCTURE analysis confirmed isolation of population Mariolata from the southern edge of the species range and genetic similarity among populations from the Pindos Mts. Additionally, the utility of new SSRs in 29 individuals from nine other Aesculus taxa was tested. Eleven markers gave polymorphic products for all tested species. For 24 individuals, a high-quality product was obtained for each marker. Results confirmed the utility of specific markers for future population genetics studies.
    Źródło:
    Dendrobiology; 2021, 85; 105-116
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Could clonality contribute to the northern survival of grey alder [Alnus incana(L.) Moench] during the Last Glacial Maximum?
    Autorzy:
    Dering, M.
    Latalowa, M.
    Boratynska, K.
    Kosinski, P.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/58973.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Opis:
    Reconstruction of the glacial and postglacial history of a species, including life-history traits, provides valuable insights into the relationships between ecological and genetic factors shaping phylogeographic patterns. Clonality appears as a trait of high importance for survival in northern refugia. In the present study, the phylogeographic structure of 24 Alnus incana (grey alder) populations and clonal structure in seven populations were analyzed utilizing four microsatellites markers. Palaeobotanical data were collected and combined with the genetic results in order to support the possibility that this species survived in northern refugia. Our study indicated that: (i) Balkan populations are the most divergent, which likely reflects their long-term in-situ existence, (ii) Western Alpine populations are genetically different from other European populations, which corresponds with palaeobotanical data, suggesting that this region served as a refugium for this species, (iii) the macrofossil data indicate that the Scandinavian and northeastern Polish populations are likely derived from the refugia located in northern latitudes, (iv) Western and Eastern Carpathian populations form separate groups, which indicate that both regions could serve as refugia. Clonality was an important factor in allowing grey alder to survive in northern regions during the last glaciation. However, this mode of reproduction has also influenced the population genetic structure, as we noted rather low level of gene diversity, HE = 0.386 and low allelic variability, A = 3.8, in this species.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2017, 86, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Postglacial migration dynamics helps to explain current scattered distribution of Taxus baccata
    Autorzy:
    Iszkulo, G.
    Pers-Kamczyc, E.
    Nalepka, D.
    Rabska, M.
    Walas, L.
    Dering, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41150.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    yew
    Taxus baccata
    migration dynamics
    endangered species
    Quaternary
    human impact
    competition
    Opis:
    Taxus baccata L. has a scattered distribution and the decline of yew woodlands is observed across the entire species range. Passively protected populations in the central and northern part of their distribution are declining without human intervention. However, the establishment of new yew populations is observed in habitats that have been significantly transformed by humans. The following question need to be answered: why do yews find better in environmental conditions that have been strongly modified by humans compared to natural systems? The Quaternary history might be the key to understand the current yew situation. As suggested by palaeobotanical studies, pollen of T. baccata was observed at optima of the interglacials, but in subsequent periods, it has been displaced by that of other shade-tolerant species. Pollen diagrams indicate that after the last glaciation, the yew did not appear earlier than other shade-tolerant species and did not have the opportunity to become common in occurrence, as in previous interglacial periods. As a result, yews occur only as relict populations within environmental islands where the competition with other shade-tolerant species is low. The negative human impact on yew is well-documented, but limitations resulting from the biology of this species are also very important. T. baccata is a species whose current scattered distribution may explain the Quaternary history. Yew situation is better in artificial conditions because people reduce competition from other trees species and deer pressure. Possible positive impact of human on yew distribution in the past is also discussed. The current biological condition of this species suggests the need for active protection.
    Źródło:
    Dendrobiology; 2016, 76
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Jemioła jako zagrożenie dla zdrowotności drzewostanów iglastych
    Mistletoe as a threat to the health state of coniferous forest
    Autorzy:
    Iszkuło, G.
    Armatys, L.
    Dering, M.
    Ksepko, M.
    Tomaszewski, D.
    Ważna, A.
    Giertych, M.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/979023.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drzewostany iglaste
    Viscum album
    leśnictwo
    zagrożenia drzewostanów
    rośliny pasożytnicze
    jemioła pospolita
    porażenie drzew
    występowanie
    oddziaływanie na rośliny
    parasitic plant
    infestation
    biotic forest disturbance
    Opis:
    The forest area infected by mistletoe (Viscum album L.) in Europe has been increasing in recent years. The highest potential threat is posed by Viscum album subsp. austriacum, a parasite of Pinus sylvestris, and V. album subsp. abietis, a parasite of Abies alba. The paper presents a literature review related to biology, ecology and possible methods of limiting the negative impact of mistletoe on forest management. The vast majority of studies indicate that the presence of mistletoe negatively affects the growth as well as defensive and reproductive capabilities of trees. Due to the wasteful water management of the parasite, infected trees are particularly vulnerable to weakening during periods of drought. Mistletoe is a heliophilous taxon and forest breeding treatments should reduce light intensity in the forest canopy. Foresters should resign from leaving individual and group seed trees in forest stands inhabited by mistletoe after the cuts, because they may be a source of seeds for the parasite invasion to the neighboring stands. The most effective method against mistletoe is cutting out the infected trees. However, removal of individual trees in forest stand may be difficult, because the most often they are the dominant and hence the most vulnerable trees in the forest management. Mistletoe is also noticeable when the number of infected trees is already very large and they cannot be removed without disturbing the stability of the forest stand. Therefore, there is an urgent need to develop methods for monitoring stands for early detection of threat. Remote sensing methods can be very useful. It is also necessary to develop management strategies with mistletoe infected stands.
    Źródło:
    Sylwan; 2020, 164, 03; 226-236
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Niche modelling suggests low feasibility of assisted gene flow for a Neogene relict tree, Castanea sativa Mill.
    Autorzy:
    Beridze, B.
    Sękiewicz, K.
    Walas, Ł.
    Danelia, I.
    Farzaliyev, V.
    Kvartskhava, .
    Szmyt, J.
    Dering, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/29430766.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Źródło:
    Dendrobiology; 2023, 90; 58-75
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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