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    Wyświetlanie 1-9 z 9
    Tytuł:
    Ocena zmian w drzewostanie sosnowym na gruncie porolnym po 30 latach od wykonania pierwszych cięć pielęgnacyjnych bez zabiegu ochronnego przeciw hubie korzeni
    Assessment of changes in a pine stand established on post−agricultural land after 30 years from first improvement cutting without application of protective measures against root rot
    Autorzy:
    Sierota, Z.
    Małecka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1024297.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drzewostany sosnowe
    huba korzeni
    grunty porolne
    zmiany w drzewostanach
    lesnictwo
    Heterobasidion annosum
    fitopatologia lesna
    pinus sylvestris
    post−agricultural land
    root rot
    phlebiopsis gigantea
    Opis:
    Changes in silvicultural and phytopathological parameters have been assessed in a 55−year−old pine stand established on post−agricultural land after 30 years from the application of three types of cutting (selective 10%, line every 4 and every 6 row) in this stand. It has been demonstrated that root rot causes changes in number and volume of merchantable timber of trees when protective treatments to stumps using the fungus Phlebiopsis gigantea are not applied during first improvement cuttings.
    Źródło:
    Sylwan; 2003, 147, 12; 19-26
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ wzbogacenia gleby porolnej substratami organicznymi na strukturę zbiorowisk grzybów ektomykoryzowych sosny zwyczajnej
    Changes in ectomycorrhizal structure of Scots pine growing on abandoned farmland soil enriched with organic substrates
    Autorzy:
    Małecka, M.
    Hilszczańska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/990008.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    zalesianie
    gleby porolne
    wzbogacanie gleby
    substraty organiczne
    uprawy lesne
    sosna zwyczajna
    Pinus sylvestris
    grzyby ektomikoryzowe
    scots pine
    ectomycorrhizal fungi
    post−agricultural lands
    organic substrates
    Opis:
    An assessment of ectomycorrhizal fungi associated with Pinus sylvestris L. growing on abandoned post−agricultural soil was performed. The seedlings were growing at three different treatments of soil amendments (harvest residue, bark compost and sawdust). As a control treatment, the soil without any amendments was used. The comparison of ectomycorrhizal structure done ten years after the application of organic substrates showed no significant changes in species richness level. The most frequent taxa, irrespective of the treatment, was Wilcoxina sp. The result seems to be connected with high nitrogen level in the soil. Ectomycorrhizae of Cortinarius sp. and Pinirhiza spp. dominated in all treatments. The results showed that species richness and abundance of live and dead mycorrhizae depend on soil conditions, which are similar on treatment and control plots.
    Źródło:
    Sylwan; 2014, 158, 04; 243-250
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modyfikacja biologicznej metody ochrony przed hubą korzeni i porównanie kosztów z metodą tradycyjną
    Modification and costs of the biological control of the root rot disease as compared with the traditional method
    Autorzy:
    Sierota, Z.
    Małecka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023394.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    choroby roslin
    grzyby
    biologiczne metody ochrony roslin
    Phlebiopsis gigantea
    huba korzeni
    grunty porolne
    ochrona lasu
    sosna zwyczajna
    lesnictwo
    preparat Pg-IBL
    Pinus sylvestris
    drzewa lesne
    pinus sylvestris
    phlebiopsis gigantea
    root rot
    post−agricultural lands
    biological control
    economic assessment
    Opis:
    The paper describes a „dispersed treatment” concept being a modified method of biological control of the root rot (using the fungus Phlebiopsis gigantea) in stands growing on post−agricultural lands. A comparative analysis of costs incurred during the application of the traditional method and a „dispersed treatment” method is presented in the paper. It has been demonstrated that the application of the proposed method brings about a significant reduction in costs.
    Źródło:
    Sylwan; 2004, 148, 04; 34-39
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Formowanie sztucznych luk w celu ograniczania huby korzeni i inicjowania przebudowy monokultur sosnowych na gruntach porolnych
    Creation of „artificial gaps” to reduce root rot effects and initiate reconstruction of pine monocultures established on post−agricultural land
    Autorzy:
    Sierota, Z.
    Małecka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023951.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    zalesianie
    drzewostany sosnowe
    choroby roslin
    huba korzeni
    grunty porolne
    profilaktyka
    monokultury
    lesnictwo
    luki drzewostanowe
    Heterobasidion annosum
    coniferous stands
    post−agricultural land
    monotypic stand reconstruction
    heterobasidion annosum
    phlebiopsis gigantea
    Opis:
    It has been proposed that artificial gaps are to be established in young pine stands by cutting an appropriate number of trees around the centres of infection (1−3 dying trees) and introducing Phlebiopsis gigantea to stumps. The treatment limits or significantly reduces root rot effects in trees and the risk of dis− ease development that may follow. The initiation of the biocoenotic nature of changes in pine monocultures ensures stand conversion (reconstruction) supported with the processes of natural succession.
    Źródło:
    Sylwan; 2004, 148, 01; 6-11
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ odłogowania i dodatku trocin iglastych do gleby porolnej na jej właściwości chemiczne i zbiorowisko grzybów ektomykoryzowych 15-letniej sosny zwyczajnej
    Influence of resting and pine sawdust application on chemical changes in post-agricultural soil and the ectomycorrhizal community of growing Scots pine saplings
    Autorzy:
    Małecka, M.
    Hilszczańska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1311503.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    grunty porolne
    odlogowanie
    dodatki do gleb
    trociny iglaste
    gleby
    wlasciwosci chemiczne
    grzyby ektomikoryzowe
    zalesianie
    uprawy lesne
    sosna zwyczajna
    Pinus sylvestris
    Scots pine
    ectomycorrhizal fungi
    agricultural lands
    pine sawdust
    Opis:
    Changes in chemical compounds and in ectomycorrhizal structure were determined for Scots pine growing on post agricultural soil lying fallow for 3, 6 and 15 years, after amendment with pine sawdust. Soil without any amendments was used as the control treatment. Comparing the ectomycorrhizal structure 15 years after the application of pine sawdust revealed no significant differences in abundance or species richness between soil with and without organic enrichment. The results showed that the ectomycorrhizal status depends on soil conditions (soil pH, nitrogen content), which remain unaffected by saw dust application. In all treatments, the most frequently occurring ectomycorrhizae genera were Dermocybe, Hebeloma, Suillus, Tomentella and Tricholoma. Two species (Paxillus involutus, Amanita muscaria) were specific to the control plots that lay fallow for 15 years.
    Źródło:
    Leśne Prace Badawcze; 2015, 76, 3; 265-272
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ zastosowania trocin w uprawie jednorocznej sosny zwyczajnej na liczebność pędraków chrabąszczy
    Effect of sawdust addition into one-year-old Scots pine plantation on number of Melolontha grubs
    Autorzy:
    Małecka, M.
    Sierota, Z.
    Tarwacki, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/991161.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    ochrona lasu
    zakladanie upraw
    uprawy sosnowe
    zabiegi ochronne
    trociny
    stosowanie doglebowe
    wymieszanie trocin z gleba
    szkodniki roslin
    wystepowanie
    chrabaszcz
    Melolontha
    pedraki
    liczebnosc
    sadzonki
    przezywalnosc
    melolontha
    frequency
    scots pine
    seedlings
    mortality
    sawdust
    soil
    Opis:
    Number of Melolontha grubs in forest soils reforested with Scots pine (Lubartów A, LA, Lubartow B, LB) and those in post agricultural soils afforested with this species (Swierczyna, SW) were assessed before (autumn 2011, spring 2012) and one year after (2013) planting. At the same time, mortality of seedlings was evaluated on both study sites. Pine sawdust was mixed with soil in rows (treatment T1) or applied under seedling roots just before planting in April 2012 (treatment T2). In May 2013, seedling mortality varied significantly, from 27.5% in LB to 51.0% in LA, whereas the differences between the treatments were not significant. The mean number of Melolontha grubs decreased from 35/0.15 m³ of soil in autumn 2011 to 3/0.15 m³ in spring 2012 and in spring 2013. The differences depended on the site, treatment and grubs spatial distribution in soil. Addition of sawdust did not influence either seedlings, or insects mortality. T2 was more beneficial for Scots pine seedlings growing on agricultural soils, while treatment T1 – for those on forest soils. On the other hand, pine sawdust applied under roots of the seedlings seemed to attract Melolontha spp. grubs.
    Źródło:
    Sylwan; 2014, 158, 08; 604-613
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmiany w składzie chemicznym gleby leśnej i porolnej po wprowadzeniu trocin iglastych na tle przebiegu elementów pogody
    Chemical composition of soils on post-agricultural and forest sites before and after sawdust addition against the background of weather elements
    Autorzy:
    Małecka, M.
    Wójcik, J.
    Sierota, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/1317240.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    chemia srodowiska
    gleby porolne
    gleby lesne
    sklad chemiczny
    odczyn gleby
    stosunek wegla do azotu
    zawartosc wapnia
    zawartosc magnezu
    zawartosc potasu
    zawartosc fosforu
    zawartosc azotu
    zawartosc wegla
    dodatki do gleb
    trociny iglaste
    zmiany skladu chemicznego
    czynniki meteorologiczne
    opady atmosferyczne
    temperatura powietrza
    temperatura gleb
    chemical composition
    fallow soil
    forest soil
    sawdust
    weather parameters
    Opis:
    We analysed changes in soil chemical properties (pH, C:N, N, P, K, Ca, Na) inside two forest areas chosen for renewal (Lubartów A and B) and within one post-agricultural site (OEwierczyna) designated for afforestation with Scots pine. The experimental plots were located in areas known as persistent cockchafer grub spots. The Lubartów A site was not fenced and showed signs of wild boar activity. Analyses were carried out in the autumn of 2011 and spring 2012, prior to pine sawdust application to the soil and before tree planting, respectively, and again one year later in May 2013. Precipitation as well as air and soil temperatures were recorded throughout the experimental period. We found that soil temperature and humidity, determined by changes in weather, differences in soil chemical properties between forest and agricultural sites as well as sawdust treatments differentially affected soil reaction, C:N ratios and nutrient content . In the unfenced area (Lubartów A), the content of nutrient forms available to plants decreased no more under sawdust treatment than under control conditions. In the remaining areas, sawdust treatment caused an increase or no change in soil concentrations of the investigated nutrients. Under suitable temperature and humidity conditions, sawdust can represent a significant source of energy-rich compounds promoting diversified edaphone activity, which appears to be the main reason for changes in soil nutrient content.
    Źródło:
    Leśne Prace Badawcze; 2014, 75, 2; 139-148
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena liczebności pędraków Melolonthinae w pułapkach trocinowych w uprawach sosny zwyczajnej (Pinus sylvestris L.)
    Assessing the number of Melolonthinae larvae in the sawdust traps in young Scots pine (Pinus sylvestris L.) plantations
    Autorzy:
    Szmidla, H.
    Tkaczyk, M.
    Małecka, M.
    Sierota, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/986677.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    ochrona lasu
    uprawy lesne
    sosna zwyczajna
    Pinus sylvestris
    pulapki trocinowe
    szkodniki roslin
    Melolonthinae
    pedraki
    liczebnosc
    melolontha spp.
    young forest plantations
    root−pest monitoring
    Opis:
    Root−feeding insects are an increasingly studied group of herbivores, whose impact on plant productivity and are some of the most damaging forest pests in Europe. Due to the mass feeding on the roots of seedlings and older trees in young plantation and stands, Melolonthinae larvae are classified as pests, which are the most dangerous on the land dedicated to afforestation. The research was located in the Wyszków Forest District (52°43'15' N; 21°39'03' E) on the mixed coniferous and mixed deciduous forest habitats. This study evaluated sawdust traps as the method for assessing abundance of Melolonthinae larvae in Scots pine plantations established artificially from open nursery, container production, and from natural regeneration. In spring 2015 i) ‘small sawdust pits’ in rows between seedlings, and ii) pits without soil in adjacent inter−rows as control were prepared. In spring and autumn 2016, and in spring 2017 sawdust and soil from both variants of pits were sieved and Melolonthinae larvae were counted and compared. The obtained results were analyzed in two ways. The first analysis compared the occurrence of grubs in small pits with or without sawdust, while the other one analysed influence of the time of making small pits, independently for the variant with or without sawdust. The final stage was to compare the number of Melolonthinae larvae in small pits between the origin of the seedlings. We found a greater number of grubs in spring assessment than in autumn. Both kinds of small pits showed higher number of Melolonthinae larvae when compared to traditional method of ‘great pits’. The number of Melolonthinae larvae was significantly higher on the plots with container seedlings than the others. The conceptual assumptions of this alternative and environmentally safe method of ‘sawdust traps’ seems to be optimistic.
    Źródło:
    Sylwan; 2018, 162, 07; 590-597
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie topologicznej analizy gęstości elektronowej do opisu oddziaływań niekowalencyjnych
    The use of topological analysis of electron density in characterization of noncovalent interactions
    Autorzy:
    Bankiewicz, B.
    Rybarczyk-Pirek, A.
    Małecka, M.
    Domagała, M.
    Palusiak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/172723.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Chemiczne
    Tematy:
    Kwantowa teoria Atomów w Cząsteczkach
    QTAIM
    gęstość elektronowa
    analiza topologiczna
    wiązanie chemiczne
    oddziaływanie niekowalencyjne
    Quantum Theory of Atoms in Molecules
    electron density
    topological analysis
    chemical bonding
    noncovalent bonding
    Opis:
    All atomic and molecular properties are governed by an electron density distribution. Thus, the methods that deal with an analysis of the electron density distribution should have a particular appeal for chemists and help to understand the electron structure of molecules. The Quantum Theory of Atoms in Molecules gives the unique opportunity to have an insight into a region (e.g., an atom) of a given system (e.g. a molecule), delivering partitioning scheme which is defined explicitly within the rigorous quantum theory, from one side, and is applicable for experimentally available set of observables, from the other side. In that way QTAIM delivers a chemist a theoretical tool to study a small part of a molecule only, instead of dealing with the total energy of a whole system. In consequence, QTAIM has become one of the most powerful utilities of modern chemistry, forming a bridge between advanced theoretical and experimental techniques. In particular the properties of the electron density function in the so-called bond critical point (BCP, the (3, -1) saddle point on electron density curvature) seem to be valuable information for chemists, since it was proven in many papers that the chemical bonding can be characterized and classified on the basis of electron density characteristics measured in BCPs . In this review we firstly give a brief introduction to the theory, explaining most basic terms and dependences. In the main part of the review we discuss application of QTAIM in the qualitative and quantitative analysis of several various noncovalent interactions, focusing readers attention on such aspects as classification of interactions and interaction energy assessment. Both theoretical and experimental approaches are taken into account. We also discuss extensions of QTAIM to the analysis of the so called source function – the method which additionally enlarge interpretative possibilities of its parent theory. Finally, we give some examples which perhaps escape a rigorous QTAIM definition of chemical bonding. We acquaint the potential reader with arguments being pro- and against the QTAIM-based deterministic model of a chemical bond.
    Źródło:
    Wiadomości Chemiczne; 2014, 68, 5-6; 457-486
    0043-5104
    2300-0295
    Pojawia się w:
    Wiadomości Chemiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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