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    Wyświetlanie 1-8 z 8
    Tytuł:
    Grzyby wyizolowane z zamierajacych olszyn w Polsce
    Autorzy:
    Oszako, T
    Orlikowski, L.B.
    Powiązania:
    https://bibliotekanauki.pl/articles/46128.pdf
    Data publikacji:
    2004
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    grzyby
    czynniki chorobotworcze
    olsza
    lesnictwo
    zamieranie drzew
    drzewa lesne
    fitopatologia lesna
    Źródło:
    Leśne Prace Badawcze; 2004, 2; 96-100
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mykobiota krzewów jałowca Juniperus x media z objawami zamierania na terenie oczyszczalni ścieków w Poznaniu
    Mycobiota of juniper Juniperus x media with symptoms of dieback in sewage plant facilities area in Poznan
    Autorzy:
    Behnke-Borowczyk, J.
    Kwaśna, H.
    Szewczyk, W.
    Zatorski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1291988.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    fitopatologia
    zamieranie pedow
    jalowiec posredni
    Juniperus media
    patogeny
    grzyby
    Chalara
    Cytospora
    Fusarium
    Ilyonectria
    Mycosphaerella
    Pestalotiopsis
    Setomelanomma
    Armillaria
    Rhizoctonia
    Thelephora
    Cadophora
    Leptosphaeria
    Lophodermium
    Septoria
    Sydowia
    gałęzie
    zamieranie
    jałowiec
    branches
    dieback
    fungi
    juniper
    pathogens
    Opis:
    The frequency and diversity of fungi in branches, roots and soil was examined in 3–10-years-old diseased Juniperus x media trees growing in the surroundings of the sewage treatment facility in Poznań. Symptoms of branch dieback appeared first on the older parts inside the crown and mostly in the lower part of trees subsequently spreading upwards and outwards. Our analyses included extraction of environmental rDNA from branches, roots and soil, amplification of the rDNA with fungi specific primers and sequencing. Fungal taxa from Ascomycota, Basidiomycota, Chytridiomycota, Glomeromycota and Zygomycota were detected with a total of 695, 135 and 196 taxa in branches, roots and soil, respectively. Fungal communities included plant pathogens, opportunistic pathogens, epiphytes or endophytes, mycorrhizal taxa, saprotrophs common on organic debris and in soil, human and animal pathogens, entomopathogenic taxa, mycoparasites, white and black yeasts, taxa with antagonistic and medicinal properties and lichenized fungi. The frequency of potential plant pathogens was 2.64–33.12% in branches, 0.88% in roots and 1.29–2.93% in soil. The most common pathogens were species from Chalara, Cytospora, Fusarium, Ilyonectria, Mycosphaerella, Setomelanomma (Ascomycota) and Armillaria, Rhizoctonia (Basidiomycota) genera. The less frequent pathogens included species from Leptosphaeria, Lophodermium and Septoria genera. In conclusion, oxygen deficiency and the presence of poisonous gases in the air around the sewage plant is likely to have had damaging effects on plants infected or colonized by opportunistic and facultative parasites.
    Źródło:
    Leśne Prace Badawcze; 2019, 80, 4
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przyczyny zamierania siewek i mlodych sadzonek debu w Nadlesnictwie Smolarz
    Autorzy:
    Kwasna, H
    Siwecki, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/816692.pdf
    Data publikacji:
    2002
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    zamieranie roslin
    grzyby
    czynniki chorobotworcze
    dab bezszypulkowy
    Nadlesnictwo Smolarz
    Quercus petraea
    sadzonki
    korzenie
    lesnictwo
    siewki
    drzewa lesne
    Źródło:
    Sylwan; 2002, 146, 01; 91-107
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fusarium spp. na nadziemnych organach zamierających dębów - nowe zagrożenie?
    Fusarium spp. on the above-ground organs of dying oaks – a new threat?
    Autorzy:
    Wit, M.
    Sierota, Z.
    Oszako, T.
    Mirzwa-Mróz, E.
    Wakuliński, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/989848.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    fitopatologia lesna
    dab
    Quercus
    zamieranie drzew
    paki
    pedy
    grzyby
    Fusarium
    wystepowanie
    zagrozenia roslin
    oak decline
    fusarium spp.
    Opis:
    Oak decline is insufficiently described problem. Declining oaks are in various age and the most commonly observed symptoms of the disease include growth inhibition and buds mortality. The dieback occurs periodically, mainly because of the impact of abiotic factors (drought, frost and the lowering of the groundwater level). In this complex phenomenon the biological factors, including numerous species of Chromista (Chromalveolata) and fungi play important role as well. The list of pathogens responsible for the dieback includes numerous species of Pythium and Phytophthora, as well as Biscogniauxia, Discula, Pleurophoma, Botryosphaeria and Diplodia. Among other organisms responsible for the oak decline are fungi belonging to Fusarium species. The aim of this study was to investigate the species composition of pathogens colonizing the dying oak buds including undeveloped or dying shoots obtained from Łomża, Rudka and Czarna Białostocka forest districts (eastern Poland). Sampling of symptomatic shoots of Quercus robur L. was performed in 2013, respecting different parts of tree crowns (top, central and bottom). Mycological material for analysis included mycelium growing on dying shoots after incubation in a chamber and tissue collected from symptomatic shoots and placed on PDA medium. For selected isolates of fungi the identification was confirmed by the PCR analysis using ITS1 and ITS4 primers. Among analyzed fungi Fusarium spp., Alternaria alternata, Cladosporium cladosporioides, Botryosphaeria quercuum and /em>Coniothyrium spp. required special attention. The Fusarium spp. group of fungi dominated with an average frequency of 32%. The molecular analysis revealed the presence of several species including Fusarium avenaceum, Cladosporium cladosporioides, Lophiostoma corticola and Nectria mauritiicola.
    Źródło:
    Sylwan; 2015, 159, 05; 403-410
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phoma exigua Desm. var. exigua Maas w nasadzeniach barwinka [Vinca minor L.]
    Autorzy:
    Orlikowski, L.B.
    Powiązania:
    https://bibliotekanauki.pl/articles/819804.pdf
    Data publikacji:
    2000
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    choroby roslin
    grzyby
    czynniki chorobotworcze
    zamieranie pedow barwinka
    barwinek
    Phoma exigua
    choroby grzybowe
    Vinca minor
    szkolki ogrodnicze
    rosliny ozdobne
    Źródło:
    Sylwan; 2000, 144, 04; 161-164
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zamieranie jesionu - aspekty taksonomiczne sprawcy choroby
    Ash dieback - taxonomical aspects of the disease causal agent
    Autorzy:
    Kowalski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1006690.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    fitopatologia lesna
    drzewa lesne
    jesion wyniosly
    Fraxinus excelsior
    zamieranie drzew
    czynniki chorobotworcze
    grzyby
    Chalara fraxinea
    Hymenoscyphus albidus
    Hymenoscyphus pseudoalbidus
    hymenoscyphus albidus
    h. pseudoalbidus
    chalara fraxinea
    fraxinus excelsior
    dieback
    Opis:
    The paper presents recent results of the research on the main causal agent of ash dieback, previously known to occur only in the anamorphic stage as Chalara fraxinea. The presented research enabled to detect the presence of two fungal species on ashes: Hymenoscyphus pseudoalbidus and H. albidus s. str. Their morphological characteristics, life cycle and causal relationship between the fungi and ash dieback were also discussed.
    Źródło:
    Sylwan; 2012, 156, 04; 262-269
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Występowanie i proces rozprzestrzeniania się Chalara fraxinea na jesionie wyniosłym (Fraxinus excelsior L.) na terenie wybranych krajów Europy Północnej
    Occurrence and spread of Chalara fraxinea on common ash (Fraxinus excelsior L.) in the selected countries of Northern Europe
    Autorzy:
    Turczański, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/989540.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    jesion wyniosly
    Fraxinus excelsior
    zamieranie drzew
    czynniki chorobotworcze
    grzyby
    Chalara fraxinea
    wystepowanie
    rozprzestrzenianie sie chorob
    Wielka Brytania
    Irlandia
    Dania
    Szwecja
    ash dieback
    united kingdom
    ireland
    denmark
    sweden
    Opis:
    Dieback of common ash is a worrying phenomenon that emerged in the early 1990s. The first symptoms were observed in 1992 in Poland. In 1996 the plague appeared in Lithuania, followed by Germany, Denmark, Czech Republic, Austria, Slovenia, Sweden and France (2002−2009), to finally reach the British Isles in 2012. At the beginning it was said about the disease of ash, but a few years later it became the issue of ash dieback. Despite many research and the cause identification, the problem still exists. The aim of article is to show the overall picture and the prior knowledge of the phenomenon on the example of four Northern European countries: Great Britain, Ireland, Denmark and Sweden. Considerations were mainly focused on the UK and Ireland, which because of the insular location are an area of slower spread of the Chalara fraxinea – fungus considered to be the one of the main factors responsible for ash disease. Moreover, the selection is determined by the weather and habitat conditions where the described species have their optimum range. To the contrast, Denmark and Sweden were mentioned also. The described species has a much worse state of health in that countries. In order to describe the current state of the spread of ash dieback, we selected official documents and factsheets available on the government websites. In case of described countries, quick response and proper identification of the cause of ash dieback allowed to take appropriate steps to fight Chalara fraxinea before the disease has spread in the local population. Appropriate government regulation, cooperation with local forest owners, education and action plans at the moment seems to function properly especially in Great Britain and Ireland. Quite other conditions are in the countries of the continental Europe, including Poland, Lithuania, Denmark and Sweden, where the fungus had made quite large losses in stands of common ash long before it was determined the main cause of this phenomenon. Undoubtedly a huge role in the rapid spread of the pathogen has a geographical location and quick response on the disease.
    Źródło:
    Sylwan; 2016, 160, 07; 539-546
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przyczyny masowego zamierania drzewostanów dębowych
    Causes of oak stand decline
    Autorzy:
    Oszako, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1016238.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    metabolizm roslin
    czynniki fizjologiczne
    szkodniki roslin
    lesnictwo
    Quercus
    zamieranie lasow
    drzewostany debowe
    czynniki chorobotworcze
    grzyby
    dab
    stres srodowiskowy
    szkodniki wtorne
    drzewa lesne
    forest dieback
    environmental stress
    physiological change
    metabolism
    fungal infection
    secondary pest
    Opis:
    Agents causing damage to plant organisms like drought, folivore feeding, fungal pathogens, ground frosts have no significant effect on tree mortality if they occur individually, however their concurrent occurrence may lead to mass dieback of trees on a local scale. Changes in cell biochemistry of trees under the impact of stress factors enable development of fungal infections or facilitate insect attacks. This study presents examples of interactions between physiological changes (e.g. in production of enzymes, phenolic compounds, etc.) determining host plant resistance and pathogen or pest responses to these changes.
    Źródło:
    Sylwan; 2007, 151, 06; 62-72
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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