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    Wyświetlanie 1-2 z 2
    Tytuł:
    Odporność wybranych gatunków drewna na rozkład biały jednolity w warunkach in vitro
    Resistance of some wood species against the white rot decay in in vitro conditions
    Autorzy:
    Zarzyński, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/985710.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drewno
    rozklad drewna
    zgnilizna biala jednolita
    grzyby
    Fomes fomentarius
    Schizophyllum commune
    Stereum hirsutum
    Trametes versicolor
    badania laboratoryjne
    wood decomposition
    fomes fomentarius
    schizophyllum commune
    stereum hirsutum
    trametes versicolor
    Opis:
    The paper reports the laboratory research on the natural wood resistance against white pattern fungal wood decomposition. Wood samples of 25, both European and exotic, tree species were collected and used (tab. 1). All samples were dried and weighted, then put on the mycelium of four different white rot causing fungi species: Fomes fomentarius ((L.: Fr.) Kickx), Schizophyllum commune (Fr.: Fr.), Stereum hirsutum ((Willd.: Fr.) Gray) and Trametes versicolor ((L.: Fr.) Pilát). After 30, 60 and 90 days of exposition the samples were put out, cleaned, dried and weighted again. The weight loss indicated the range of wood decomposition and allowed to estimate its natural resistance against fungal wood decay. The results showed that in laboratory conditions the range of all fungi species trophic abilities were much wider than the one observed in nature. Examined fungi were able to destroy wood from trees they never occur on. The reasons of this could be both mechanical (the absence of bark – natural barrier for fungi) and chemical (the less of chemical substances occurring in wood of living trees that could be responsible for its natural resistance against fungi).
    Źródło:
    Sylwan; 2019, 163, 05; 385-395
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Grzyby wielkoowocnikowe stwierdzone na olszy czarnej Alnus glutinosa (L.) Gaertn. w drzewostanach olszowych wykazujących objawy zamierania
    Macrofungi found on black alder Alnus glutinosa (L.) Gaertn. in alder stands showing signs of a dieback
    Autorzy:
    Piętka, J.
    Grzywacz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/985840.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    fitopatologia lesna
    olsza czarna
    Alnus glutinosa
    grzyby wielkoowocnikowe
    Xanthoporia radiata
    Stereum hirsutum
    Daedaleopsis confragosa
    Armillaria
    Stereum subtomentosum
    wystepowanie
    drzewostany olszowe
    zamieranie lasow
    lignicolous fungi
    stands dieback
    armillaria root disease
    Opis:
    Black alder Alnus glutinosa (L.) Gaertn. is an important forest−forming species in Poland, with more than 5% participation in the species structure. It is a typical lowland species, especially in the river valleys, on the banks of the lakes and in the land depressions. It is one of the main species in the following habitats: boggy mixed broadleaved forest, alder and alder−ash forest, riparian forest and moist broadleaved forest. As a valuable admixture alder is introduced in the habitat of boggy coniferous forest and boggy broadleaved forest. Until recently black alder was considered in Poland as a species with a very low level of danger from the pests and diseases. The situation changed at the turn of the centuries, when the deterioration of the health status of the alder stands began, which led locally to the mass dieback of the trees, mainly in the stands which are over 20 years old. In the following years, the phenomenon was intensified. The largest number of such stands was recorded in 2006. The strongest deterioration of health condition of the trees was observed in five regional directorates of the State Forests: Białystok, Lublin, Torun, Wrocław and Olsztyn. The study gives information on lignicolous fungi found on black alder in 62 alder stands, which exhibited the most severe signs of the dieback. The research was conducted in 14 forest districts and in Poleski National Park (fig.). The surveys revealed the presence of 49 taxa of the lignicolous fungi (44 Basidiomycota and 5 Ascomycota). The most common species were Xanthoporia radiata, Stereum hirsutum, Daedaleopsis confragosa, Armillaria spp. as well as S. subtomentosum (tab. 2). The disease contributing to the local dieback of black alder in the stands (mainly in the Lublin Regional Directorate of the State Forests) is the root rot caused by Armillaria species. Many species of lignicolous fungi (e.g. Fomes fomentarius, Fomitopsis pinicola, Ganoderma applanatum) penetrate into previously weakened trees, causing decay of wood, which can accelerate the dying of single trees.
    Źródło:
    Sylwan; 2018, 162, 01; 22-31
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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