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    Wyświetlanie 1-4 z 4
    Tytuł:
    Pollen morphology of the Polish species of the genus Sorbus L.
    Autorzy:
    Bednorz, L
    Maciejewska-Rutkowska, I.
    Wronska-Pilarek, D.
    Fujiki, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/59342.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Sorbus chamaemespilus
    pollen grain
    Sorbus aucuparia
    Sorbus aria
    Sorbus
    botany
    Sorbus intermedia
    pollen morphology
    palynotaxonomy
    Polish species
    Sorbus torminalis
    Opis:
    This paper presents the results of the study on pollen morphology of five Polish species of the genus Sorbus L. (S. aria (L.) Crantz, S. aucuparia L. Emend. Hedl., S. chamaemespilus (L.) Crantz, S. intermedia (Ehrh.) Pers. and S. torminalis (L.) Crantz). Observations were carried out with light and scanning microscopes. Investigated pollen grains were small or medium size, most often subprolate or prolate spheroidal in outline. Exine of medium thickness, consisted of two layers. Mainly 3-zonocolporate or sometimes 4-zonocolporate (S. chamaemespilus and S. torminalis) grains were noted. Usually striatae type of sculpture was observed, except the grains of S. intermedia, which were characterized by intermediate type of sculpture, with the features both striate and regulate ornamentation. Pollen morphology of the investigated Sorbus species corresponds with their systematic classification. It is relatively easy to separate pollen grains of the following subgenera: Sorbus, Chamaemespilus and Torminaria. Only subgenus Aria includes grains of different morphology and therefore it is impossible to determine the diagnostic features of this subgenus. Pollen morphology does not confirm a close relationship between S. aria and S. intermedia. It is possible to distinguished pollen grains of all the analysed native species. However, there are no important differences in pollen morphology between the subspecies of Sorbus aucuparia. The key for Polish Sorbus species, based on pollen grain characters is given too.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ warunków klimatycznych na przyrosty roczne jarzębów szwedzkich Sorbus intermedia (Ehrh.) Pers. rosnących na stanowiskach miejskich
    Influence of climate conditions on tree-ring width of the Swedish whitebeam Sorbus intermedia (Ehrh.) Pers. growing at the urban sites
    Autorzy:
    Cedro, A.
    Nowakowska, M.
    Nowak, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/979224.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    miasta
    dendroklimatologia
    Sorbus intermedia
    przyrosty roczne
    warunki klimatyczne
    temperatura powietrza
    opady atmosferyczne
    drzewa liściaste
    jarząb szwedzki
    usłonecznienie
    dendroclimatology
    urban conditions
    Szczecin
    Opis:
    The aim of the research was to determine the impact of climatic conditions on the tree−ring width of Swedish whitebeam Sorbus intermedia (Ehrh.) Pers. growing in the urban conditions in Szczecin (NW Poland). The samples were taken from 26 trees growing along Rodziewiczówny, Ejsmonda and Santocka streets (left bank of the Odra river). On the basis of the tree−ring width measurements and cross−dating, two local chronologies (JS1 – Rodziewiczówny and Ejsmonda streets, and JS2 – Santocka street) were developed. Later on we indexed them (double detrending, least squares method and spline function) and subjected to the analysis of correlation and response functions. Growth−climate dependencies in both Swedish whitebeam communities are different. For the JS1 chronology the highest value of the multiple regression coefficient was obtained for air temperature, while for JS2 chronology for insolation and precipitation. For both sequences dependency on climate is similar in August and December of the previous year of vegetation and in January, February, April, June and July of the current year. The observed differences are the result of the impact of various factors related to human activity: traffic volume, soil pollution (mainly heavy metals and salt), damage to roots, trunks and crowns.
    Źródło:
    Sylwan; 2020, 164, 02; 102-109
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zdrowotność jarzębu szwedzkiego (Sorbus intermedia L.) w wybranych lokalizacjach Tatrzańskiego Parku Narodowego
    Health status of Swedish whitebeam (Sorbus intermedia L.) in selected regions of the Tatra National Park
    Autorzy:
    Pusz, W.
    Baturo-Cieśniewska, A.
    Zwijacz-Kozica, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/985730.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    fitopatologia lesna
    jarzab szwedzki
    Sorbus intermedia
    zdrowotnosc drzew
    ocena zdrowotnosci
    parki narodowe
    Tatrzanski Park Narodowy
    swedish whitebeam
    pathogenic fungi
    tatra mts.
    Opis:
    Swedish whitebeam (Sorbus intermedia (Ehrh.) Pers.) is a species with a very limited range. It occurs only in southern Scandinavia and along the Baltic coast, without the Gulf of Finland. Its southernmost natural localities are situated in northern Poland. They are few in number, grouped in two regions: near Kołobrzeg and the Gulf of Gdańsk. Currently, only three of them survive: vicinity of Sarbinowo as well as Kępa Redłowska and Przylądek Rożewski. In the Podtatrze region, S. intermedia has long been planted along roads, on green areas, in gardens and parks, among others in Zakopane. In the Tatras it did not appear, so it is a foreign species for this region. Currently, in the Tatra National Park there are several hundred fruiting specimens of this species growing. Most of them are part of a forty−year−old stand planted on the back of the Grzybowiec ridge. The aim of this research was to recognise the health status of S. intermedia. Phytopathological research was conducted in 2018 in the Tatra National Park. Leaves that were subject to analysis were decontaminated in 1% surfactant solution of sodium hypochlorite. Their fragments of about 0.5 cm were placed on Petri plates with PDA (Potato Dextrose Agar). The growing fungal colonies were consequently re−planted onto PDA slants for further culturing and taxonomic identification. The pathogens were identified basing on morphological features and with molecular tools. All S. intermedia in the Tatra National Park showed disease symptoms. Infected S. intermedia leaves were colonized by A. alternata, which fraction amounted to over 40%. The following dominant was B. exigua with over 30% share. F. avenaceum (close to 10%) and E. nigrum and D. macrostoma were also found. The S. intermedia population growing in the Tatra National Park is characterized by a poor condition, which may in the future affect the population of this plant in the Tatra Mts.
    Źródło:
    Sylwan; 2019, 163, 06; 489-495
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Jarząb, jarzębina i jarzębiak
    Autorzy:
    Karczmarczuk, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/845948.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Przyrodników im. Kopernika
    Tematy:
    dendrologia
    drzewa
    jarzab pospolity
    Sorbus aucuparia
    jarzab maczny
    Sorbus aria
    jarzab nieszpulkowy
    Sorbus chamaemespilus
    jarzab brekinia
    Sorbus torminalis
    jarzab szwedzki
    Sorbus intermedia
    jarzab domowy
    Sorbus domestica
    owoce
    jarzebiny
    wykorzystanie
    wartosc odzywcza
    Źródło:
    Wszechświat; 2011, 112, 07-09
    0043-9592
    Pojawia się w:
    Wszechświat
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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